PG1X

My Knowledge Base

User Tools

Site Tools


tech:network:cisco:eigrp:eigrp:eigrp-for-ipv6:eigrp-for-ipv6

EIGRP for IPv6

Topology

IP

Project name: ccna-ipv6-0011-eigrp-for-ipv6

  • R1
enable
configure terminal
!
hostname R1
no ip domain-lookup
line console 0
exec-timeout 0 0
logging synchronous
exit
!
ipv6 unicast-routing 
!
interface GigabitEthernet 0/0
ipv6 address fe80::1 link-local
ipv6 address 2001:0:1:2::1/64
no shutdown
exit
interface GigabitEthernet 0/1
ipv6 address fe80::1 link-local
ipv6 address 2001:0:1:3::1/64
no shutdown
exit
!
end
write
  • R2
enable
configure terminal
!
hostname R2
no ip domain-lookup
line console 0
exec-timeout 0 0
logging synchronous
exit
!
ipv6 unicast-routing 
!
interface GigabitEthernet 0/0
ipv6 address fe80::2 link-local
ipv6 address 2001:0:1:2::2/64
no shutdown
exit
interface GigabitEthernet 0/1
ipv6 address fe80::2 link-local
ipv6 address 2001:0:2:4::2/64
no shutdown
exit
!
end
write
  • R3
enable
configure terminal
!
hostname R3
no ip domain-lookup
line console 0
exec-timeout 0 0
logging synchronous
exit
!
ipv6 unicast-routing 
!
interface GigabitEthernet 0/0
ipv6 address fe80::3 link-local
ipv6 address 2001:0:1:3::3/64
no shutdown
exit
!
end
write
  • R4
enable
configure terminal
!
hostname R4
no ip domain-lookup
line console 0
exec-timeout 0 0
logging synchronous
exit
!
ipv6 unicast-routing 
!
interface GigabitEthernet 0/0
ipv6 address fe80::4 link-local
ipv6 address 2001:0:2:4::4/64
no shutdown
exit
!
end
write

Configure EIGRP for IPv6

  • R1
configure terminal
!
ipv6 router eigrp 1
eigrp router-id 1.1.1.1
passive-interface GigabitEthernet 0/1
exit
!
interface GigabitEthernet 0/0
ipv6 eigrp 1
exit
interface GigabitEthernet 0/1
ipv6 eigrp 1
exit
!
end
  • R2
configure terminal
!
ipv6 router eigrp 1
eigrp router-id 2.2.2.2
passive-interface GigabitEthernet 0/1
exit
!
interface GigabitEthernet 0/0
ipv6 eigrp 1
exit
interface GigabitEthernet 0/1
ipv6 eigrp 1
exit
!
end
  • R3
configure terminal
!
ipv6 route ::/0 GigabitEthernet 0/0 fe80::1
!
end
  • R4
configure terminal
!
ipv6 route ::/0 GigabitEthernet 0/0 fe80::2
!
end

Verification

R1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R1(config)#ipv    
R1(config)#ipv6 router eig
R1(config)#ipv6 router eigrp 1
R1(config-rtr)#router
R1(config-rtr)#router-i
R1(config-rtr)#rou     
R1(config-rtr)#rou
R1(config-rtr)#rou
R1(config-rtr)#router
R1(config-rtr)#router
R1(config-rtr)#router
R1(config-rtr)#router
R1(config-rtr)#router-i
R1(config-rtr)#router-id
R1(config-rtr)#router-id
R1(config-rtr)#router-id
R1(config-rtr)#router-id?
% Unrecognized command
R1(config-rtr)#r?       
redistribute  

R1(config-rtr)#id
R1(config-rtr)#? 
  default            Set a command to its defaults
  default-metric     Set metric of redistributed routes
  distance           Define an administrative distance
  distribute-list    Filter networks in routing updates
  eigrp              EIGRP specific commands
  exit               Exit from IPv6 routing protocol configuration mode
  maximum-paths      Forward packets over multiple paths
  metric             Modify metrics and parameters for advertisement
  neighbor           Specify a neighbor router
  no                 Negate a command or set its defaults
  passive-interface  Suppress routing updates on an interface
  redistribute       Redistribute IPv6 prefixes from another routing protocol
  shutdown           Shutdown this instance of EIGRP 
  summary-metric     Specify summary to apply metric/filtering
  timers             Adjust topology specific timers
  variance           Control load balancing variance

R1(config-rtr)#rou?
% Unrecognized command
R1(config-rtr)#eigr
R1(config-rtr)#eigrp rou
R1(config-rtr)#eigrp router-id 1.1.1.1
R1(config-rtr)#pass
R1(config-rtr)#passive-interface Gig
R1(config-rtr)#passive-interface GigabitEthernet 0/1
R1(config-rtr)#int gig0/0
R1(config-if)#ipv
R1(config-if)#ipv6 eig
R1(config-if)#ipv6 eigrp 1
R1(config-if)#int gig0/1
R1(config-if)#eig
R1(config-if)#ipv
R1(config-if)#ipv6 eig
R1(config-if)#ipv6 eigrp 1
R1(config-if)#^Z
R1#
*Mar 14 22:36:11.567: %SYS-5-CONFIG_I: Configured from console by console
R1#
*Mar 14 22:37:04.643: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::2 (GigabitEthernet0/0) is up: new adjacency
R1#sh ipv6 ro eigrp
IPv6 Routing Table - default - 6 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:2:4::/64 [90/3072]
     via FE80::2, GigabitEthernet0/0
R1#ping 2001:0:2:4::4
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:0:2:4::4, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/6/17 ms
R1#sh ipv
R1#sh ipv6 pro
R1#sh ipv6 protocols 
IPv6 Routing Protocol is "connected"
IPv6 Routing Protocol is "application"
IPv6 Routing Protocol is "ND"
IPv6 Routing Protocol is "eigrp 1"
EIGRP-IPv6 Protocol for AS(1)
  Metric weight K1=1, K2=0, K3=1, K4=0, K5=0
  Soft SIA disabled
  NSF-aware route hold timer is 240
  Router-ID: 1.1.1.1
  Topology : 0 (base) 
    Active Timer: 3 min
    Distance: internal 90 external 170
    Maximum path: 16
    Maximum hopcount 100
    Maximum metric variance 1

  Interfaces:
    GigabitEthernet0/0
    GigabitEthernet0/1 (passive)
  Redistribution:
    None
R1#sho
R1#show ipv
R1#show ipv6 ei
R1#show ipv6 eigrp neigh
R1#show ipv6 eigrp neighbors 
EIGRP-IPv6 Neighbors for AS(1)
H   Address                 Interface              Hold Uptime   SRTT   RTO  Q  Seq
                                                   (sec)         (ms)       Cnt Num
0   Link-local address:     Gi0/0                    11 00:13:33    9   100  0  4
    FE80::2
R1#sho
R1#show ipv
R1#show ipv6 eig
R1#show ipv6 eigrp top
R1#show ipv6 eigrp topology 
EIGRP-IPv6 Topology Table for AS(1)/ID(1.1.1.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
       r - reply Status, s - sia Status 

P 2001:0:2:4::/64, 1 successors, FD is 3072
        via FE80::2 (3072/2816), GigabitEthernet0/0
P 2001:0:1:3::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/1
P 2001:0:1:2::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/0

R1#show
R1#show ipv
R1#show ipv6 route eigr
R1#show ipv6 route eigrp 
IPv6 Routing Table - default - 6 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:2:4::/64 [90/3072]
     via FE80::2, GigabitEthernet0/0
R1#show
R1#show ipv
R1#show ipv6 eig
R1#show ipv6 eigrp inter
R1#show ipv6 eigrp interfaces 
EIGRP-IPv6 Interfaces for AS(1)
                              Xmit Queue   PeerQ        Mean   Pacing Time   Multicast    Pending
Interface              Peers  Un/Reliable  Un/Reliable  SRTT   Un/Reliable   Flow Timer   Routes
Gi0/0                    1        0/0       0/0           9       0/0           50           0
R1#show ipv
R1#show ipv6 ei
R1#show ipv6 eigrp tra
R1#show ipv6 eigrp traffic 
EIGRP-IPv6 Traffic Statistics for AS(1)
  Hellos sent/received: 227/212
  Updates sent/received: 4/4
  Queries sent/received: 0/0
  Replies sent/received: 0/0
  Acks sent/received: 4/2
  SIA-Queries sent/received: 0/0
  SIA-Replies sent/received: 0/0
  Hello Process ID: 100
  PDM Process ID: 48
  Socket Queue: 0/10000/1/0 (current/max/highest/drops)
  Input Queue: 0/10000/1/0 (current/max/highest/drops)

R1#
R3#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R3(config)#ipv
R3(config)#ipv6 route ::/0 giga
R3(config)#ipv6 route ::/0 gigabitEthernet 0/0 fe80::1
R3(config)#^Z
R3#
*Mar 14 22:39:21.450: %SYS-5-CONFIG_I: Configured from console by console
R3#ping 2001:0:2:4::4
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:0:2:4::4, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 6/6/8 ms
R3#show ipv6 protocols 
IPv6 Routing Protocol is "connected"
IPv6 Routing Protocol is "application"
IPv6 Routing Protocol is "ND"
IPv6 Routing Protocol is "static"

Topology: route sumarization

IP

Project name: ccna-ipv6-0012-eigrp-for-ipv6-router-summarization

  • R1
enable
configure terminal
!
hostname R1
no ip domain-lookup
line console 0
exec-timeout 0 0
logging synchronous
exit
!
ipv6 unicast-routing 
!
interface GigabitEthernet 0/0
ipv6 address fe80::1 link-local
ipv6 address 2001:0:1:3::1/64
no shutdown
exit
interface GigabitEthernet 0/1
ipv6 address fe80::1 link-local
ipv6 address 2001:0:1:4::1/64
no shutdown
exit
interface GigabitEthernet 0/2
ipv6 address fe80::1 link-local
ipv6 address 2001:0:1:5::1/64
no shutdown
exit
interface GigabitEthernet 0/3
ipv6 address fe80::1 link-local
ipv6 address 2001:0:1:6::1/64
no shutdown
exit
!
end
write
  • R2
enable
configure terminal
!
hostname R2
no ip domain-lookup
line console 0
exec-timeout 0 0
logging synchronous
exit
!
ipv6 unicast-routing 
!
interface GigabitEthernet 0/0
ipv6 address fe80::2 link-local
ipv6 address 2001:0:2:3::2/64
no shutdown
exit
interface GigabitEthernet 0/1
ipv6 address fe80::2 link-local
ipv6 address 2001:0:2:4::2/64
no shutdown
exit
interface GigabitEthernet 0/2
ipv6 address fe80::2 link-local
ipv6 address 2001:0:2:5::2/64
no shutdown
exit
interface GigabitEthernet 0/3
ipv6 address fe80::2 link-local
ipv6 address 2001:0:2:7::2/64
no shutdown
exit
!
end
write
  • R3
enable
configure terminal
!
hostname R3
no ip domain-lookup
line console 0
exec-timeout 0 0
logging synchronous
exit
!
ipv6 unicast-routing 
!
interface GigabitEthernet 0/0
ipv6 address fe80::3 link-local
ipv6 address 2001:0:1:3::3/64
no shutdown
exit
interface GigabitEthernet 0/1
ipv6 address fe80::3 link-local
ipv6 address 2001:0:2:3::3/64
no shutdown
exit
!
end
write
  • R4
enable
configure terminal
!
hostname R4
no ip domain-lookup
line console 0
exec-timeout 0 0
logging synchronous
exit
!
ipv6 unicast-routing 
!
interface GigabitEthernet 0/0
ipv6 address fe80::4 link-local
ipv6 address 2001:0:1:4::4/64
no shutdown
exit
interface GigabitEthernet 0/1
ipv6 address fe80::4 link-local
ipv6 address 2001:0:2:4::4/64
no shutdown
exit
!
end
write
  • R5
enable
configure terminal
!
hostname R5
no ip domain-lookup
line console 0
exec-timeout 0 0
logging synchronous
exit
!
ipv6 unicast-routing 
!
interface GigabitEthernet 0/0
ipv6 address fe80::5 link-local
ipv6 address 2001:0:1:5::5/64
no shutdown
exit
interface GigabitEthernet 0/1
ipv6 address fe80::5 link-local
ipv6 address 2001:0:2:5::5/64
no shutdown
exit
!
end
write
  • R6
enable
configure terminal
!
hostname R6
no ip domain-lookup
line console 0
exec-timeout 0 0
logging synchronous
exit
!
ipv6 unicast-routing 
!
interface GigabitEthernet 0/0
ipv6 address fe80::6 link-local
ipv6 address 2001:60:1:6::6/64
no shutdown
exit
!
end
write
  • R7
enable
configure terminal
!
hostname R7
no ip domain-lookup
line console 0
exec-timeout 0 0
logging synchronous
exit
!
ipv6 unicast-routing 
!
interface GigabitEthernet 0/0
ipv6 address fe80::7 link-local
ipv6 address 2001:70:2:7::7/64
no shutdown
exit
!
end
write

Configure EIGRP for IPv6

  • R1
configure terminal
!
ipv6 router eigrp 1
eigrp router-id 1.1.1.1
exit
!
interface GigabitEthernet 0/0
ipv6 eigrp 1
exit
interface GigabitEthernet 0/1
ipv6 eigrp 1
exit
interface GigabitEthernet 0/2
ipv6 eigrp 1
exit
interface GigabitEthernet 0/3
ipv6 eigrp 1
exit
!
end
  • R2
configure terminal
!
ipv6 router eigrp 1
eigrp router-id 2.2.2.2
exit
!
interface GigabitEthernet 0/0
ipv6 eigrp 1
exit
interface GigabitEthernet 0/1
ipv6 eigrp 1
exit
interface GigabitEthernet 0/2
ipv6 eigrp 1
exit
interface GigabitEthernet 0/3
ipv6 eigrp 1
exit
!
end
  • R3
configure terminal
!
ipv6 router eigrp 1
eigrp router-id 3.3.3.3
exit
!
interface GigabitEthernet 0/0
ipv6 eigrp 1
exit
interface GigabitEthernet 0/1
ipv6 eigrp 1
exit
!
end
  • R4
configure terminal
!
ipv6 router eigrp 1
eigrp router-id 4.4.4.4
exit
!
interface GigabitEthernet 0/0
ipv6 eigrp 1
exit
interface GigabitEthernet 0/1
ipv6 eigrp 1
exit
!
end
  • R5
configure terminal
!
ipv6 router eigrp 1
eigrp router-id 5.5.5.5
exit
!
interface GigabitEthernet 0/0
ipv6 eigrp 1
exit
interface GigabitEthernet 0/1
ipv6 eigrp 1
exit
!
end
  • R6
configure terminal
!
ipv6 router eigrp 1
eigrp router-id 6.6.6.6
exit
!
interface GigabitEthernet 0/0
ipv6 eigrp 1
exit
!
end
  • R7
configure terminal
!
ipv6 router eigrp 1
eigrp router-id 7.7.7.7
exit
!
interface GigabitEthernet 0/0
ipv6 eigrp 1
exit
!
end
R6#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R6(config)#ipv 
R6(config)#ipv6 router eig
R6(config)#ipv6 router eigrp 6.6.6.6
                              ^
% Invalid input detected at '^' marker.

R6(config)#ipv6 router eigrp ?      
  <1-65535>  Autonomous system number

R6(config)#ipv6 router eigrp 1
R6(config-rtr)#eig
R6(config-rtr)#eigrp router
R6(config-rtr)#eigrp router-id 6.6.6.6
R6(config-rtr)#int gig0/0
R6(config-if)#ipv
R6(config-if)#ipv6 ei    
R6(config-if)#ipv6 eigrp 1
R6(config-if)#
*Mar 17 10:20:54.758: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::1 (GigabitEthernet0/0) is up: new adjacency
R6(config-if)#^Z
R6#
*Mar 17 12:46:31.851: %SYS-5-CONFIG_I: Configured from console by console
R6#sh ipv6 ro eigpr
Translating "eigpr"
                 ^
% Invalid input detected at '^' marker.

R6#sh ipv
R6#sh ipv6 route eigrp
IPv6 Routing Table - default - 10 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:1:3::/64 [90/3072]
     via FE80::1, GigabitEthernet0/0
D   2001:0:1:4::/64 [90/3072]
     via FE80::1, GigabitEthernet0/0
D   2001:0:1:5::/64 [90/3072]
     via FE80::1, GigabitEthernet0/0
D   2001:0:2:3::/64 [90/3328]
     via FE80::1, GigabitEthernet0/0
D   2001:0:2:4::/64 [90/3328]
     via FE80::1, GigabitEthernet0/0
D   2001:0:2:5::/64 [90/3328]
     via FE80::1, GigabitEthernet0/0
D   2001:70:2:7::/64 [90/3584]
     via FE80::1, GigabitEthernet0/0
R6#ping 2001:70:2:7::7
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:70:2:7::7, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 7/11/22 ms
R1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R1(config)#ipv    
R1(config)#ipv6 router ei
R1(config)#ipv6 router eigrp 1
R1(config-rtr)#eig
R1(config-rtr)#eigrp router
R1(config-rtr)#eigrp router-id 1.1.1.1
R1(config-rtr)#inta gig0/0
               ^
% Invalid input detected at '^' marker.

R1(config-rtr)#int gig0/0
R1(config-if)#ipv
R1(config-if)#ipv6 eig
R1(config-if)#ipv6 eigrp 1
R1(config-if)#int gig0/1
R1(config-if)#ipv
R1(config-if)#ipv6 eig
R1(config-if)#ipv6 eigrp 1
R1(config-if)#int gig0/2
R1(config-if)#ipv
R1(config-if)#ipv6 eig
R1(config-if)#ipv6 eigrp 1
R1(config-if)#int gig0/3
R1(config-if)#ipv
R1(config-if)#ipv6 eig
R1(config-if)#ipv6 eigrp 1
R1(config-if)#^Z
R1#
*Mar 17 06:24:19.793: %SYS-5-CONFIG_I: Configured from console by console
R1#
*Mar 17 10:20:55.427: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::6 (GigabitEthernet0/3) is up: new adjacency
R1#
*Mar 17 10:21:57.559: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::3 (GigabitEthernet0/0) is up: new adjacency
R1#
*Mar 17 12:45:17.624: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::4 (GigabitEthernet0/1) is up: new adjacency
R1#
*Mar 17 12:46:04.719: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::5 (GigabitEthernet0/2) is up: new adjacency
R2#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R2(config)#ipv  
R2(config)#ipv6 router
R2(config)#ipv6 router eig
R2(config)#ipv6 router eigrp 1
R2(config-rtr)#eig
R2(config-rtr)#eigrp router
R2(config-rtr)#eigrp router-id 2.2.2.2
R2(config-rtr)#int gig0/0
R2(config-if)#ipv
R2(config-if)#ipv6 ei
R2(config-if)#ipv6 eigrp 1
R2(config-if)#ipv
R2(config-if)#ipv6 ei
R2(config-if)#int gig0/1  
R2(config-if)#ipv
R2(config-if)#ipv6 ei
R2(config-if)#ipv6 eigrp 1
R2(config-if)#int gig0/2
R2(config-if)#ipv
R2(config-if)#ipv6 ei
R2(config-if)#ipv6 eigrp 1
R2(config-if)#ipv
R2(config-if)#int gig0/3
R2(config-if)#ipv
R2(config-if)#ipv6 ei
R2(config-if)#ipv6 eigrp 1
R2(config-if)#^Z
R2#
*Mar 17 06:25:19.035: %SYS-5-CONFIG_I: Configured from console by console
R2#
*Mar 17 10:21:27.137: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::7 (GigabitEthernet0/3) is up: new adjacency
R2#
*Mar 17 10:22:13.116: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::3 (GigabitEthernet0/0) is up: new adjacency
R2#
*Mar 17 12:45:31.857: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::4 (GigabitEthernet0/1) is up: new adjacency
R2#
*Mar 17 12:46:18.121: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::5 (GigabitEthernet0/2) is up: new adjacency
R2#sh ipv
R2#sh ipv6 ro eigrp
IPv6 Routing Table - default - 13 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:1:3::/64 [90/3072]
     via FE80::3, GigabitEthernet0/0
D   2001:0:1:4::/64 [90/3072]
     via FE80::4, GigabitEthernet0/1
D   2001:0:1:5::/64 [90/3072]
     via FE80::5, GigabitEthernet0/2
D   2001:60:1:6::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
     via FE80::4, GigabitEthernet0/1
     via FE80::5, GigabitEthernet0/2
R2#ping 2001:60:1:6::6
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:60:1:6::6, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 2/15/33 ms
R2#ping 2001:0:1:3::1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:0:1:3::1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 3/6/13 ms
R7#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R7(config)#ipv
R7(config)#ipv6 router eig
R7(config)#ipv6 router eigrp 1
R7(config-rtr)#ei
R7(config-rtr)#eigrp router
R7(config-rtr)#eigrp router-id 7.7.7.7
R7(config-rtr)#int gig0/0
R7(config-if)#ipv
R7(config-if)#ipv6 ei
R7(config-if)#ipv6 eigrp 1
R7(config-if)#
*Mar 17 10:21:37.931: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::2 (GigabitEthernet0/0) is up: new adjacency
R7(config-if)#^Z
R7#
*Mar 17 12:46:53.267: %SYS-5-CONFIG_I: Configured from console by console
R7#sh ipv
R7#sh ipv6 ro eigrp
IPv6 Routing Table - default - 10 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:1:3::/64 [90/3328]
     via FE80::2, GigabitEthernet0/0
D   2001:0:1:4::/64 [90/3328]
     via FE80::2, GigabitEthernet0/0
D   2001:0:1:5::/64 [90/3328]
     via FE80::2, GigabitEthernet0/0
D   2001:0:2:3::/64 [90/3072]
     via FE80::2, GigabitEthernet0/0
D   2001:0:2:4::/64 [90/3072]
     via FE80::2, GigabitEthernet0/0
D   2001:0:2:5::/64 [90/3072]
     via FE80::2, GigabitEthernet0/0
D   2001:60:1:6::/64 [90/3584]
     via FE80::2, GigabitEthernet0/0

Configure EIGRP for IPv6 manual router summarization

  • R1
configure terminal
!
interface GigabitEthernet 0/3
ipv6 sumamry-address eigrp 1 2001::/32
exit
!
end
  • R2
configure terminal
!
interface GigabitEthernet 0/3
ipv6 sumamry-address eigrp 1 2001::/32
exit
!
end
R1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R1(config)#int gig0/3
R1(config-if)#ipv
R1(config-if)#ipv6 su
R1(config-if)#ipv6 summary-address eig
R1(config-if)#ipv6 summary-address eigrp 1 2001::/32 
R1(config-if)#
*Mar 17 12:57:53.772: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::6 (GigabitEthernet0/3) is resync: summary configured
R1(config-if)#^Z
R1#
*Mar 17 12:57:56.843: %SYS-5-CONFIG_I: Configured from console by console
R1#sh ipv6 ro eigrp
IPv6 Routing Table - default - 14 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001::/32 [5/2816]
     via Null0, directly connected
D   2001:0:2:3::/64 [90/3072]
     via FE80::3, GigabitEthernet0/0
D   2001:0:2:4::/64 [90/3072]
     via FE80::4, GigabitEthernet0/1
D   2001:0:2:5::/64 [90/3072]
     via FE80::5, GigabitEthernet0/2
D   2001:70:2:7::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
     via FE80::4, GigabitEthernet0/1
     via FE80::5, GigabitEthernet0/2
R6#sh ipv6 ro eigrp
IPv6 Routing Table - default - 10 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:1:3::/64 [90/3072]
     via FE80::1, GigabitEthernet0/0
D   2001:0:1:4::/64 [90/3072]
     via FE80::1, GigabitEthernet0/0
D   2001:0:1:5::/64 [90/3072]
     via FE80::1, GigabitEthernet0/0
D   2001:0:2:3::/64 [90/3328]
     via FE80::1, GigabitEthernet0/0
D   2001:0:2:4::/64 [90/3328]
     via FE80::1, GigabitEthernet0/0
D   2001:0:2:5::/64 [90/3328]
     via FE80::1, GigabitEthernet0/0
D   2001:70:2:7::/64 [90/3584]
     via FE80::1, GigabitEthernet0/0
R6#
*Mar 17 12:57:58.952: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::1 (GigabitEthernet0/0) is resync: peer graceful-restart
R6#sh ipv  
R6#sh ipv6 ro eigrp
IPv6 Routing Table - default - 5 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001::/32 [90/3072]
     via FE80::1, GigabitEthernet0/0
D   2001:70:2:7::/64 [90/3584]
     via FE80::1, GigabitEthernet0/0
R6#ping 2001:0:2:3::2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:0:2:3::2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 5/12/36 ms
R6#ping 2001:70:2:7::7
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:70:2:7::7, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 6/12/30 ms
R2#sh ipv6 ro eigrp
IPv6 Routing Table - default - 13 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:1:3::/64 [90/3072]
     via FE80::3, GigabitEthernet0/0
D   2001:0:1:4::/64 [90/3072]
     via FE80::4, GigabitEthernet0/1
D   2001:0:1:5::/64 [90/3072]
     via FE80::5, GigabitEthernet0/2
D   2001:60:1:6::/64 [90/3328]
     via FE80::4, GigabitEthernet0/1
     via FE80::3, GigabitEthernet0/0
     via FE80::5, GigabitEthernet0/2
R7#sh ipv6 ro eigrp
IPv6 Routing Table - default - 10 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:1:3::/64 [90/3328]
     via FE80::2, GigabitEthernet0/0
D   2001:0:1:4::/64 [90/3328]
     via FE80::2, GigabitEthernet0/0
D   2001:0:1:5::/64 [90/3328]
     via FE80::2, GigabitEthernet0/0
D   2001:0:2:3::/64 [90/3072]
     via FE80::2, GigabitEthernet0/0
D   2001:0:2:4::/64 [90/3072]
     via FE80::2, GigabitEthernet0/0
D   2001:0:2:5::/64 [90/3072]
     via FE80::2, GigabitEthernet0/0
D   2001:60:1:6::/64 [90/3584]
     via FE80::2, GigabitEthernet0/0

let's say configure R2 side summarization.

R2#sh ipv6 ro eigrp
IPv6 Routing Table - default - 13 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:1:3::/64 [90/3072]
     via FE80::3, GigabitEthernet0/0
D   2001:0:1:4::/64 [90/3072]
     via FE80::4, GigabitEthernet0/1
D   2001:0:1:5::/64 [90/3072]
     via FE80::5, GigabitEthernet0/2
D   2001:60:1:6::/64 [90/3328]
     via FE80::4, GigabitEthernet0/1
     via FE80::3, GigabitEthernet0/0
     via FE80::5, GigabitEthernet0/2
R2#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R2(config)#int gig0/3
R2(config-if)#ipv6 su
R2(config-if)#ipv6 summary-address eig
R2(config-if)#ipv6 summary-address eigrp 1 2002::/32
R2(config-if)#
*Mar 17 13:01:22.720: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::7 (GigabitEthernet0/3) is resync: summary configured
R2(config-if)#^Z
R2#
*Mar 17 13:01:26.169: %SYS-5-CONFIG_I: Configured from console by console
R2#conf t          
Enter configuration commands, one per line.  End with CNTL/Z.
R2(config)#int gig0/3
R2(config-if)#no ipv6 summary-address eigrp 1 2002::/32
R2(config-if)#no ipv6 summary-address eigrp 1 2002::/32
*Mar 17 13:02:02.656: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::7 (GigabitEthernet0/3) is resync: summary configured
R2(config-if)#ipv                                      
R2(config-if)#ipv6 su
R2(config-if)#ipv6 summary-address ei
R2(config-if)#ipv6 summary-address eigrp 1 2001::/32
R2(config-if)#
*Mar 17 13:02:18.385: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::7 (GigabitEthernet0/3) is resync: summary configured
R2(config-if)#^Z
R2#
*Mar 17 13:02:21.404: %SYS-5-CONFIG_I: Configured from console by console
R2#sh ipv6 ro eigrp
IPv6 Routing Table - default - 14 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001::/32 [5/2816]
     via Null0, directly connected
D   2001:0:1:3::/64 [90/3072]
     via FE80::3, GigabitEthernet0/0
D   2001:0:1:4::/64 [90/3072]
     via FE80::4, GigabitEthernet0/1
D   2001:0:1:5::/64 [90/3072]
     via FE80::5, GigabitEthernet0/2
D   2001:60:1:6::/64 [90/3328]
     via FE80::4, GigabitEthernet0/1
     via FE80::3, GigabitEthernet0/0
     via FE80::5, GigabitEthernet0/2
R2#
R7#sh ipv6 ro eigrp
IPv6 Routing Table - default - 10 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:1:3::/64 [90/3328]
     via FE80::2, GigabitEthernet0/0
D   2001:0:1:4::/64 [90/3328]
     via FE80::2, GigabitEthernet0/0
D   2001:0:1:5::/64 [90/3328]
     via FE80::2, GigabitEthernet0/0
D   2001:0:2:3::/64 [90/3072]
     via FE80::2, GigabitEthernet0/0
D   2001:0:2:4::/64 [90/3072]
     via FE80::2, GigabitEthernet0/0
D   2001:0:2:5::/64 [90/3072]
     via FE80::2, GigabitEthernet0/0
D   2001:60:1:6::/64 [90/3584]
     via FE80::2, GigabitEthernet0/0
R7#
*Mar 17 13:01:24.118: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::2 (GigabitEthernet0/0) is resync: peer graceful-restart
R7#sh ipv6 ro eigrp
IPv6 Routing Table - default - 10 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:1:3::/64 [90/3328]
     via FE80::2, GigabitEthernet0/0
D   2001:0:1:4::/64 [90/3328]
     via FE80::2, GigabitEthernet0/0
D   2001:0:1:5::/64 [90/3328]
     via FE80::2, GigabitEthernet0/0
D   2001:0:2:3::/64 [90/3072]
     via FE80::2, GigabitEthernet0/0
D   2001:0:2:4::/64 [90/3072]
     via FE80::2, GigabitEthernet0/0
D   2001:0:2:5::/64 [90/3072]
     via FE80::2, GigabitEthernet0/0
D   2001:60:1:6::/64 [90/3584]
     via FE80::2, GigabitEthernet0/0
R7#sh ipv6 ro eigrp
IPv6 Routing Table - default - 10 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:1:3::/64 [90/3328]
     via FE80::2, GigabitEthernet0/0
D   2001:0:1:4::/64 [90/3328]
     via FE80::2, GigabitEthernet0/0
D   2001:0:1:5::/64 [90/3328]
     via FE80::2, GigabitEthernet0/0
D   2001:0:2:3::/64 [90/3072]
     via FE80::2, GigabitEthernet0/0
D   2001:0:2:4::/64 [90/3072]
     via FE80::2, GigabitEthernet0/0
D   2001:0:2:5::/64 [90/3072]
     via FE80::2, GigabitEthernet0/0
D   2001:60:1:6::/64 [90/3584]
     via FE80::2, GigabitEthernet0/0
R7#
*Mar 17 13:02:04.027: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::2 (GigabitEthernet0/0) is resync: peer graceful-restart
R7#
*Mar 17 13:02:19.805: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::2 (GigabitEthernet0/0) is resync: peer graceful-restart
R7#sh ipv6 ro eigrp
IPv6 Routing Table - default - 5 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001::/32 [90/3072]
     via FE80::2, GigabitEthernet0/0
D   2001:60:1:6::/64 [90/3584]
     via FE80::2, GigabitEthernet0/0
R7#ping 2001:0:1:3::1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:0:1:3::1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 5/9/17 ms
R7#ping 2001:60:1:6::6
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:60:1:6::6, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 8/9/11 ms

Topology: route sumarization

IP

Project name: ccna-ipv6-0012-eigrp-for-ipv6-router-summarization

omitting.

Configure hello interval, hold-time

  • R1
configure terminal
!
interface GigabitEthernet 0/0
delay 1
exit
interface GigabitEthernet 0/1
delay 2
exit
interface GigabitEthernet 0/2
delay 3
exit
!
end
  • R1
configure terminal
!
interface GigabitEthernet 0/0
ipv6 hello-interval eigrp 1 1
ipv6 hold-time eigrp 1 3
exit
interface GigabitEthernet 0/1
delay 2
exit
interface GigabitEthernet 0/2
delay 3
exit
!
end
  • R3
configure terminal
!
interface GigabitEthernet 0/0
ipv6 hello-interval eigrp 1 1
ipv6 hold-time eigrp 1 3
exit
!
end
R1#sh ipv6 ro eigrp
IPv6 Routing Table - default - 13 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:2:3::/64 [90/3072]
     via FE80::3, GigabitEthernet0/0
D   2001:0:2:4::/64 [90/3072]
     via FE80::4, GigabitEthernet0/1
D   2001:0:2:5::/64 [90/3072]
     via FE80::5, GigabitEthernet0/2
D   2001:70:2:7::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
     via FE80::5, GigabitEthernet0/2
     via FE80::4, GigabitEthernet0/1
R1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R1(config)#int gig0/0
R1(config-if)#de
R1(config-if)#del
R1(config-if)#delay 1
R1(config-if)#int gig0/1
R1(config-if)#del
R1(config-if)#delay 2
R1(config-if)#int gig/2
                     ^
% Invalid input detected at '^' marker.

R1(config)#int gig0/2
R1(config-if)#del
R1(config-if)#delay 3
R1(config-if)#^Z
R1#
*Mar 18 00:43:15.127: %SYS-5-CONFIG_I: Configured from console by console
R1#sh ipv
R1#sh ipv6 ro eigrp
IPv6 Routing Table - default - 13 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:2:3::/64 [90/3072]
     via FE80::3, GigabitEthernet0/0
D   2001:0:2:4::/64 [90/3328]
     via FE80::4, GigabitEthernet0/1
     via FE80::3, GigabitEthernet0/0
D   2001:0:2:5::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
D   2001:70:2:7::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
R1#sh ipv6 eigr
R1#sh ipv6 eigrp top
R1#sh ipv6 eigrp topology 
EIGRP-IPv6 Topology Table for AS(1)/ID(1.1.1.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
       r - reply Status, s - sia Status 

P 2001:0:1:5::/64, 1 successors, FD is 3328
        via Connected, GigabitEthernet0/2
        via FE80::5 (3584/2816), GigabitEthernet0/2
P 2001:0:2:4::/64, 2 successors, FD is 3072
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:60:1:6::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/3
P 2001:0:1:3::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/0
P 2001:70:2:7::/64, 1 successors, FD is 3328
        via FE80::5 (3840/3072), GigabitEthernet0/2
        via FE80::3 (3328/3072), GigabitEthernet0/0
        via FE80::4 (3584/3072), GigabitEthernet0/1
P 2001:0:1:4::/64, 1 successors, FD is 3072
        via Connected, GigabitEthernet0/1
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:0:2:3::/64, 1 successors, FD is 3072
        via FE80::3 (3072/2816), GigabitEthernet0/0
P 2001:0:2:5::/64, 1 successors, FD is 3328
        via FE80::3 (3328/3072), GigabitEthernet0/0
        via FE80::5 (3584/2816), GigabitEthernet0/2
        via FE80::4 (3584/3072), GigabitEthernet0/1

R1#ping 2001:70:2:7::7
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:70:2:7::7, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 3/11/33 ms
R1#sh ipv6
*Mar 18 00:47:23.953: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::3 (GigabitEthernet0/0) is down: holding time expired 
R1#sh ipv6 ro eigrp
IPv6 Routing Table - default - 12 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:2:3::/64 [90/3584]
     via FE80::4, GigabitEthernet0/1
D   2001:0:2:4::/64 [90/3328]
     via FE80::4, GigabitEthernet0/1
D   2001:0:2:5::/64 [90/3584]
     via FE80::5, GigabitEthernet0/2
     via FE80::4, GigabitEthernet0/1
R1#sh ipv6 ro eigrp   
IPv6 Routing Table - default - 12 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:2:3::/64 [90/3584]
     via FE80::4, GigabitEthernet0/1
D   2001:0:2:4::/64 [90/3328]
     via FE80::4, GigabitEthernet0/1
D   2001:0:2:5::/64 [90/3584]
     via FE80::5, GigabitEthernet0/2
     via FE80::4, GigabitEthernet0/1
R1#sh ipv6 ro eigrp
IPv6 Routing Table - default - 12 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:2:3::/64 [90/3584]
     via FE80::4, GigabitEthernet0/1
D   2001:0:2:4::/64 [90/3328]
     via FE80::4, GigabitEthernet0/1
D   2001:0:2:5::/64 [90/3584]
     via FE80::5, GigabitEthernet0/2
     via FE80::4, GigabitEthernet0/1
R1#sh ipv6 eigrp topology 
EIGRP-IPv6 Topology Table for AS(1)/ID(1.1.1.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
       r - reply Status, s - sia Status 

P 2001:0:1:5::/64, 1 successors, FD is 3328
        via Connected, GigabitEthernet0/2
        via FE80::5 (3584/2816), GigabitEthernet0/2
P 2001:0:2:4::/64, 2 successors, FD is 3072
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:60:1:6::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/3
P 2001:0:1:3::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/0
P 2001:70:2:7::/64, 1 successors, FD is 3328
        via FE80::5 (3840/3072), GigabitEthernet0/2
        via FE80::4 (3584/3072), GigabitEthernet0/1
P 2001:0:1:4::/64, 1 successors, FD is 3072
        via Connected, GigabitEthernet0/1
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:0:2:3::/64, 1 successors, FD is 3584
        via FE80::4 (3584/3072), GigabitEthernet0/1
        via FE80::5 (3840/3072), GigabitEthernet0/2
P 2001:0:2:5::/64, 2 successors, FD is 3328
        via FE80::5 (3584/2816), GigabitEthernet0/2
        via FE80::4 (3584/3072), GigabitEthernet0/1

R1#sh ipv6 eigrp topology 
EIGRP-IPv6 Topology Table for AS(1)/ID(1.1.1.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
       r - reply Status, s - sia Status 

P 2001:0:1:5::/64, 1 successors, FD is 3328
        via Connected, GigabitEthernet0/2
        via FE80::5 (3584/2816), GigabitEthernet0/2
P 2001:0:2:4::/64, 2 successors, FD is 3072
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:60:1:6::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/3
P 2001:0:1:3::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/0
P 2001:70:2:7::/64, 1 successors, FD is 3328
        via FE80::5 (3840/3072), GigabitEthernet0/2
        via FE80::4 (3584/3072), GigabitEthernet0/1
P 2001:0:1:4::/64, 1 successors, FD is 3072
        via Connected, GigabitEthernet0/1
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:0:2:3::/64, 1 successors, FD is 3584
        via FE80::4 (3584/3072), GigabitEthernet0/1
        via FE80::5 (3840/3072), GigabitEthernet0/2
P 2001:0:2:5::/64, 2 successors, FD is 3328
        via FE80::5 (3584/2816), GigabitEthernet0/2
        via FE80::4 (3584/3072), GigabitEthernet0/1

R1#sh ipv6 eigrp topology 
EIGRP-IPv6 Topology Table for AS(1)/ID(1.1.1.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
       r - reply Status, s - sia Status 

P 2001:0:1:5::/64, 1 successors, FD is 3328
        via Connected, GigabitEthernet0/2
        via FE80::5 (3584/2816), GigabitEthernet0/2
P 2001:0:2:4::/64, 2 successors, FD is 3072
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:60:1:6::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/3
P 2001:0:1:3::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/0
P 2001:70:2:7::/64, 1 successors, FD is 3328
        via FE80::5 (3840/3072), GigabitEthernet0/2
        via FE80::4 (3584/3072), GigabitEthernet0/1
P 2001:0:1:4::/64, 1 successors, FD is 3072
        via Connected, GigabitEthernet0/1
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:0:2:3::/64, 1 successors, FD is 3584
        via FE80::4 (3584/3072), GigabitEthernet0/1
        via FE80::5 (3840/3072), GigabitEthernet0/2
P 2001:0:2:5::/64, 2 successors, FD is 3328
        via FE80::5 (3584/2816), GigabitEthernet0/2
        via FE80::4 (3584/3072), GigabitEthernet0/1

R1#
*Mar 18 00:58:09.172: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::3 (GigabitEthernet0/0) is up: new adjacency
R1#sh ipv6 ro eigrp       
IPv6 Routing Table - default - 12 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:2:3::/64 [90/3584]
     via FE80::4, GigabitEthernet0/1
D   2001:0:2:4::/64 [90/3328]
     via FE80::4, GigabitEthernet0/1
D   2001:0:2:5::/64 [90/3584]
     via FE80::5, GigabitEthernet0/2
     via FE80::4, GigabitEthernet0/1
R1#sh ipv6 ro eigrp
IPv6 Routing Table - default - 13 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:2:3::/64 [90/3072]
     via FE80::3, GigabitEthernet0/0
D   2001:0:2:4::/64 [90/3328]
     via FE80::4, GigabitEthernet0/1
     via FE80::3, GigabitEthernet0/0
D   2001:0:2:5::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
D   2001:70:2:7::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
R1#sh ipv6 ro eigrp
IPv6 Routing Table - default - 13 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:2:3::/64 [90/3072]
     via FE80::3, GigabitEthernet0/0
D   2001:0:2:4::/64 [90/3328]
     via FE80::4, GigabitEthernet0/1
     via FE80::3, GigabitEthernet0/0
D   2001:0:2:5::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
D   2001:70:2:7::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
R1#sh ipv6 ro eigrp
IPv6 Routing Table - default - 13 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:2:3::/64 [90/3072]
     via FE80::3, GigabitEthernet0/0
D   2001:0:2:4::/64 [90/3328]
     via FE80::4, GigabitEthernet0/1
     via FE80::3, GigabitEthernet0/0
D   2001:0:2:5::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
D   2001:70:2:7::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
R1#sh ipv6 ro eigrp
IPv6 Routing Table - default - 13 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:2:3::/64 [90/3072]
     via FE80::3, GigabitEthernet0/0
D   2001:0:2:4::/64 [90/3328]
     via FE80::4, GigabitEthernet0/1
     via FE80::3, GigabitEthernet0/0
D   2001:0:2:5::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
D   2001:70:2:7::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
R1#sh ipv6 eigrp topology 
EIGRP-IPv6 Topology Table for AS(1)/ID(1.1.1.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
       r - reply Status, s - sia Status 

P 2001:0:1:5::/64, 1 successors, FD is 3328
        via Connected, GigabitEthernet0/2
        via FE80::5 (3584/2816), GigabitEthernet0/2
P 2001:0:2:4::/64, 2 successors, FD is 3072
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:60:1:6::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/3
P 2001:0:1:3::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/0
P 2001:70:2:7::/64, 1 successors, FD is 3328
        via FE80::3 (3328/3072), GigabitEthernet0/0
        via FE80::5 (3840/3072), GigabitEthernet0/2
        via FE80::4 (3584/3072), GigabitEthernet0/1
P 2001:0:1:4::/64, 1 successors, FD is 3072
        via Connected, GigabitEthernet0/1
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:0:2:3::/64, 1 successors, FD is 3072
        via FE80::3 (3072/2816), GigabitEthernet0/0
P 2001:0:2:5::/64, 1 successors, FD is 3328
        via FE80::3 (3328/3072), GigabitEthernet0/0
        via FE80::5 (3584/2816), GigabitEthernet0/2
        via FE80::4 (3584/3072), GigabitEthernet0/1

R1#ping 2001:70:2::7 repe
R1#ping 2001:70:2::7 repeat 100000
Type escape sequence to abort.
Sending 100000, 100-byte ICMP Echos to 2001:70:2::7, timeout is 2 seconds:

% No valid route for destination
Success rate is 0 percent (0/1)
R1#ping 2001:70:2:7::7 repeat 100000
Type escape sequence to abort.
Sending 100000, 100-byte ICMP Echos to 2001:70:2:7::7, timeout is 2 seconds:
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!......!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
*Mar 18 01:00:11.045: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::3 (GigabitEthernet0/0) is down: holding time expired!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Success rate is 99 percent (1323/1329), round-trip min/avg/max = 1/6/31 ms
R1#sh ipv6 ro eigrp
IPv6 Routing Table - default - 13 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:2:3::/64 [90/3584]
     via FE80::4, GigabitEthernet0/1
D   2001:0:2:4::/64 [90/3328]
     via FE80::4, GigabitEthernet0/1
D   2001:0:2:5::/64 [90/3584]
     via FE80::5, GigabitEthernet0/2
     via FE80::4, GigabitEthernet0/1
D   2001:70:2:7::/64 [90/3584]
     via FE80::4, GigabitEthernet0/1
R1#sh ipv6 eigrp topo               
EIGRP-IPv6 Topology Table for AS(1)/ID(1.1.1.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
       r - reply Status, s - sia Status 

P 2001:0:1:5::/64, 1 successors, FD is 3328
        via Connected, GigabitEthernet0/2
        via FE80::5 (3584/2816), GigabitEthernet0/2
P 2001:0:2:4::/64, 1 successors, FD is 3072
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:60:1:6::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/3
P 2001:0:1:3::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/0
P 2001:70:2:7::/64, 1 successors, FD is 3328
        via FE80::4 (3584/3072), GigabitEthernet0/1
        via FE80::5 (3840/3072), GigabitEthernet0/2
P 2001:0:1:4::/64, 1 successors, FD is 3072
        via Connected, GigabitEthernet0/1
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:0:2:3::/64, 1 successors, FD is 3584
        via FE80::4 (3584/3072), GigabitEthernet0/1
        via FE80::5 (3840/3072), GigabitEthernet0/2
P 2001:0:2:5::/64, 2 successors, FD is 3328
        via FE80::5 (3584/2816), GigabitEthernet0/2
        via FE80::4 (3584/3072), GigabitEthernet0/1

R1#sh ipv6 eigrp topo
*Mar 18 01:01:34.767: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::3 (GigabitEthernet0/0) is up: new adjacency
R1#sh ipv6 eigrp topo
EIGRP-IPv6 Topology Table for AS(1)/ID(1.1.1.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
       r - reply Status, s - sia Status 

P 2001:0:1:5::/64, 1 successors, FD is 3328
        via Connected, GigabitEthernet0/2
        via FE80::5 (3584/2816), GigabitEthernet0/2
P 2001:0:2:4::/64, 2 successors, FD is 3072, U
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:60:1:6::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/3
P 2001:0:1:3::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/0
P 2001:70:2:7::/64, 1 successors, FD is 3328, U
        via FE80::3 (3328/3072), GigabitEthernet0/0
        via FE80::4 (3584/3072), GigabitEthernet0/1
        via FE80::5 (3840/3072), GigabitEthernet0/2
P 2001:0:1:4::/64, 1 successors, FD is 3072
        via Connected, GigabitEthernet0/1
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:0:2:3::/64, 1 successors, FD is 3072, U
        via FE80::3 (3072/2816), GigabitEthernet0/0
P 2001:0:2:5::/64, 1 successors, FD is 3328, U
        via FE80::3 (3328/3072), GigabitEthernet0/0
        via FE80::5 (3584/2816), GigabitEthernet0/2
        via FE80::4 (3584/3072), GigabitEthernet0/1

R1#sh ipv6 ro eigrp  
IPv6 Routing Table - default - 13 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:2:3::/64 [90/3072]
     via FE80::3, GigabitEthernet0/0
D   2001:0:2:4::/64 [90/3328]
     via FE80::4, GigabitEthernet0/1
     via FE80::3, GigabitEthernet0/0
D   2001:0:2:5::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
D   2001:70:2:7::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
R1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R1(config)#int gig0/0
R1(config-if)#ipv
R1(config-if)#ipv6 he
R1(config-if)#ipv6 hello-interval ei
R1(config-if)#ipv6 hello-interval eigrp 1 1
R1(config-if)#ipv
R1(config-if)#ipv6 hold
R1(config-if)#ipv6 hold-time e
R1(config-if)#ipv6 hold-time eigrp 1 3
R1(config-if)#
*Mar 18 01:04:38.661: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::3 (GigabitEthernet0/0) is down: holding time expired
R1(config-if)#
*Mar 18 01:04:41.525: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::3 (GigabitEthernet0/0) is up: new adjacency
R1(config-if)#do sh ipv6 eigrp int
EIGRP-IPv6 Interfaces for AS(1)
                              Xmit Queue   PeerQ        Mean   Pacing Time   Multicast    Pending
Interface              Peers  Un/Reliable  Un/Reliable  SRTT   Un/Reliable   Flow Timer   Routes
Gi0/0                    1        0/0       0/0           9       0/0           50           0
Gi0/1                    1        0/0       0/0          22       0/0          100           0
Gi0/2                    1        0/0       0/0          18       0/0           80           0
Gi0/3                    1        0/0       0/0          16       0/0           68           0
R1(config-if)#do sh ipv           
R1(config-if)#do sh ipv6 int
GigabitEthernet0/0 is up, line protocol is up
  IPv6 is enabled, link-local address is FE80::1 
  No Virtual link-local address(es):
  Global unicast address(es):
    2001:0:1:3::1, subnet is 2001:0:1:3::/64 
  Joined group address(es):
    FF02::1
    FF02::2
    FF02::A
    FF02::1:FF00:1
  MTU is 1500 bytes
  ICMP error messages limited to one every 100 milliseconds
  ICMP redirects are enabled
  ICMP unreachables are sent
  ND DAD is enabled, number of DAD attempts: 1
  ND reachable time is 30000 milliseconds (using 30000)
  ND advertised reachable time is 0 (unspecified)
  ND advertised retransmit interval is 0 (unspecified)
  ND router advertisements are sent every 200 seconds
  ND router advertisements live for 1800 seconds
  ND advertised default router preference is Medium
  Hosts use stateless autoconfig for addresses.
          
R1(config-if)#do sh ipv6 hei      
R1(config-if)#do sh ipv6 neih
R1(config-if)#do sh ipv6 neighbor
IPv6 Address                              Age Link-layer Addr State Interface
FE80::3                                     0 0cb6.81ef.3400  STALE Gi0/0
FE80::4                                     0 0cb6.81e6.1500  STALE Gi0/1
FE80::5                                     0 0cb6.81b0.2900  STALE Gi0/2
2001:60:1:6::6                              7 0cb6.81e0.3300  STALE Gi0/3
FE80::6                                     0 0cb6.81e0.3300  STALE Gi0/3

R1(config-if)#^Z   
R1#sh ipv
*Mar 18 01:05:54.448: %SYS-5-CONFIG_I: Configured from console by console
R1#sh ipv6 ro eig
R1#sh ipv6 ro eigrp 
IPv6 Routing Table - default - 13 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:2:3::/64 [90/3072]
     via FE80::3, GigabitEthernet0/0
D   2001:0:2:4::/64 [90/3328]
     via FE80::4, GigabitEthernet0/1
     via FE80::3, GigabitEthernet0/0
D   2001:0:2:5::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
D   2001:70:2:7::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
R1#sh ipv6 ei       
R1#sh ipv6 eigrp topo
R1#sh ipv6 eigrp topology 
EIGRP-IPv6 Topology Table for AS(1)/ID(1.1.1.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
       r - reply Status, s - sia Status 

P 2001:0:1:5::/64, 1 successors, FD is 3328
        via Connected, GigabitEthernet0/2
        via FE80::5 (3584/2816), GigabitEthernet0/2
P 2001:0:2:4::/64, 2 successors, FD is 3072
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:60:1:6::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/3
P 2001:0:1:3::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/0
P 2001:70:2:7::/64, 1 successors, FD is 3328
        via FE80::3 (3328/3072), GigabitEthernet0/0
        via FE80::4 (3584/3072), GigabitEthernet0/1
        via FE80::5 (3840/3072), GigabitEthernet0/2
P 2001:0:1:4::/64, 1 successors, FD is 3072
        via Connected, GigabitEthernet0/1
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:0:2:3::/64, 1 successors, FD is 3072
        via FE80::3 (3072/2816), GigabitEthernet0/0
P 2001:0:2:5::/64, 1 successors, FD is 3328
        via FE80::3 (3328/3072), GigabitEthernet0/0
        via FE80::5 (3584/2816), GigabitEthernet0/2
        via FE80::4 (3584/3072), GigabitEthernet0/1

R1#ping 2001:70:2:7::7 rep
R1#ping 2001:70:2:7::7 repeat 100000
Type escape sequence to abort.
Sending 100000, 100-byte ICMP Echos to 2001:70:2:7::7, timeout is 2 seconds:
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!..!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!
*Mar 18 01:07:03.006: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::3 (GigabitEthernet0/0) is down: holding time expired!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Success rate is 99 percent (746/748), round-trip min/avg/max = 1/6/95 ms
R3#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R3(config)#int gig0/0
R3(config-if)#shut
R3(config-if)#
*Mar 18 00:47:23.068: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::1 (GigabitEthernet0/0) is down: interface down
R3(config-if)#
*Mar 18 00:47:25.032: %LINK-5-CHANGED: Interface GigabitEthernet0/0, changed state to administratively down
*Mar 18 00:47:26.032: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0, changed state to down
R3(config-if)#no shut
R3(config-if)#
*Mar 18 00:58:19.924: %LINK-3-UPDOWN: Interface GigabitEthernet0/0, changed state to up
R3(config-if)#
*Mar 18 00:58:20.923: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0, changed state to up
*Mar 18 00:58:20.943: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::1 (GigabitEthernet0/0) is up: new adjacency
R3(config-if)#shut
R3(config-if)#
*Mar 18 01:00:11.830: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::1 (GigabitEthernet0/0) is down: interface down
R3(config-if)#
*Mar 18 01:00:13.796: %LINK-5-CHANGED: Interface GigabitEthernet0/0, changed state to administratively down
*Mar 18 01:00:14.796: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0, changed state to down
R3(config-if)#no shut
R3(config-if)#
*Mar 18 01:01:46.215: %LINK-3-UPDOWN: Interface GigabitEthernet0/0, changed state to up
*Mar 18 01:01:47.215: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0, changed state to up
R3(config-if)#
*Mar 18 01:01:47.612: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::1 (GigabitEthernet0/0) is up: new adjacency
R3(config-if)#ipv 
R3(config-if)#ipv6 he
R3(config-if)#ipv6 hello-interval inter
R3(config-if)#ipv6 hello-interval intereig
R3(config-if)#ipv6 hello-interval eig      
R3(config-if)#ipv6 hello-interval eigrp 1 1
R3(config-if)#ipv
R3(config-if)#ipv6 ho
R3(config-if)#ipv6 hold-time eig
R3(config-if)#ipv6 hold-time eigrp 1 3
R3(config-if)#shut
R3(config-if)#no shut
R3(config-if)#
*Mar 18 01:04:49.143: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::1 (GigabitEthernet0/0) is down: interface down
R3(config-if)#
*Mar 18 01:04:51.110: %LINK-3-UPDOWN: Interface GigabitEthernet0/0, changed state to down
R3(config-if)#
*Mar 18 01:04:53.904: %LINK-3-UPDOWN: Interface GigabitEthernet0/0, changed state to up
R3(config-if)#
*Mar 18 01:04:54.270: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::1 (GigabitEthernet0/0) is up: new adjacency
R3(config-if)#shut
R3(config-if)#
*Mar 18 01:07:13.280: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::1 (GigabitEthernet0/0) is down: interface down
R3(config-if)#
*Mar 18 01:07:15.244: %LINK-5-CHANGED: Interface GigabitEthernet0/0, changed state to administratively down
*Mar 18 01:07:16.244: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0, changed state to down
R6#ping 2001:70:2:7::7 repeat 1000000
Type escape sequence to abort.
Sending 1000000, 100-byte ICMP Echos to 2001:70:2:7::7, timeout is 2 seconds:
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.......UUUUUUUUUU.UUUUU
UUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUU
U.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UU
UUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUU
UUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU
.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUU
UUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUU
UUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.
UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUUU.UUUUUUUUUU.UUU
UUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUU
UUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.
UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUU
UUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUU
UU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.U
UUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUU
UUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUU
U.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.
Success rate is 68 percent (2427/3557), round-trip min/avg/max = 1/8/21 ms

one more.

R1#
*Mar 18 01:08:24.933: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::3 (GigabitEthernet0/0) is up: new adjacency
R1#                                 
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#
R1#sh ipv6 ro eigpr
Translating "eigpr"
                 ^
% Invalid input detected at '^' marker.

R1#sh ipv6 ro eigrp
IPv6 Routing Table - default - 13 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:2:3::/64 [90/3072]
     via FE80::3, GigabitEthernet0/0
D   2001:0:2:4::/64 [90/3328]
     via FE80::4, GigabitEthernet0/1
     via FE80::3, GigabitEthernet0/0
D   2001:0:2:5::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
D   2001:70:2:7::/64 [90/3328]
     via FE80::3, GigabitEthernet0/0
R1#sh ipv6 eigrp topo
EIGRP-IPv6 Topology Table for AS(1)/ID(1.1.1.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
       r - reply Status, s - sia Status 

P 2001:0:1:5::/64, 1 successors, FD is 3328
        via Connected, GigabitEthernet0/2
        via FE80::5 (3584/2816), GigabitEthernet0/2
P 2001:0:2:4::/64, 2 successors, FD is 3072
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:60:1:6::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/3
P 2001:0:1:3::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/0
P 2001:70:2:7::/64, 1 successors, FD is 3328
        via FE80::3 (3328/3072), GigabitEthernet0/0
        via FE80::4 (3584/3072), GigabitEthernet0/1
        via FE80::5 (3840/3072), GigabitEthernet0/2
P 2001:0:1:4::/64, 1 successors, FD is 3072
        via Connected, GigabitEthernet0/1
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:0:2:3::/64, 1 successors, FD is 3072
        via FE80::3 (3072/2816), GigabitEthernet0/0
P 2001:0:2:5::/64, 1 successors, FD is 3328
        via FE80::3 (3328/3072), GigabitEthernet0/0
        via FE80::5 (3584/2816), GigabitEthernet0/2
        via FE80::4 (3584/3072), GigabitEthernet0/1

R1#sh ipv6 ro eigrp  
*Mar 18 01:09:09.572: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::3 (GigabitEthernet0/0) is down: holding time expired
R1#sh ipv6 ro eigrp
IPv6 Routing Table - default - 13 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       a - Application
D   2001:0:2:3::/64 [90/3584]
     via FE80::4, GigabitEthernet0/1
D   2001:0:2:4::/64 [90/3328]
     via FE80::4, GigabitEthernet0/1
D   2001:0:2:5::/64 [90/3584]
     via FE80::5, GigabitEthernet0/2
     via FE80::4, GigabitEthernet0/1
D   2001:70:2:7::/64 [90/3584]
     via FE80::4, GigabitEthernet0/1
R1#sh ipv6 eigrp topo
EIGRP-IPv6 Topology Table for AS(1)/ID(1.1.1.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
       r - reply Status, s - sia Status 

P 2001:0:1:5::/64, 1 successors, FD is 3328
        via Connected, GigabitEthernet0/2
        via FE80::5 (3584/2816), GigabitEthernet0/2
P 2001:0:2:4::/64, 1 successors, FD is 3072
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:60:1:6::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/3
P 2001:0:1:3::/64, 1 successors, FD is 2816
        via Connected, GigabitEthernet0/0
P 2001:70:2:7::/64, 1 successors, FD is 3328
        via FE80::4 (3584/3072), GigabitEthernet0/1
        via FE80::5 (3840/3072), GigabitEthernet0/2
P 2001:0:1:4::/64, 1 successors, FD is 3072
        via Connected, GigabitEthernet0/1
        via FE80::4 (3328/2816), GigabitEthernet0/1
P 2001:0:2:3::/64, 1 successors, FD is 3584
        via FE80::4 (3584/3072), GigabitEthernet0/1
        via FE80::5 (3840/3072), GigabitEthernet0/2
P 2001:0:2:5::/64, 2 successors, FD is 3328
        via FE80::5 (3584/2816), GigabitEthernet0/2
        via FE80::4 (3584/3072), GigabitEthernet0/1

R1#
R3(config-if)#no shut
R3(config-if)#
*Mar 18 01:08:37.347: %LINK-3-UPDOWN: Interface GigabitEthernet0/0, changed state to up
*Mar 18 01:08:38.349: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0, changed state to up
*Mar 18 01:08:38.368: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::1 (GigabitEthernet0/0) is up: new adjacency
R3(config-if)#shut
R3(config-if)#
*Mar 18 01:09:20.450: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::1 (GigabitEthernet0/0) is down: interface down
R3(config-if)#
*Mar 18 01:09:22.416: %LINK-5-CHANGED: Interface GigabitEthernet0/0, changed state to administratively down
*Mar 18 01:09:23.416: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0, changed state to down
R3(config-if)#
R6#ping 2001:70:2:7::7 repeat 1000000
Type escape sequence to abort.
Sending 1000000, 100-byte ICMP Echos to 2001:70:2:7::7, timeout is 2 seconds:
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!..!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Success rate is 99 percent (2354/2356), round-trip min/avg/max = 1/8/68 ms
R3(config-if)#no shut
R3(config-if)#
*Mar 18 01:14:12.620: %LINK-3-UPDOWN: Interface GigabitEthernet0/0, changed state to up
*Mar 18 01:14:13.621: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0, changed state to up
*Mar 18 01:14:13.640: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::1 (GigabitEthernet0/0) is up: new adjacency
R1#
*Mar 18 01:13:58.310: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::3 (GigabitEthernet0/0) is up: new adjacency
R1#sh ipv
R1#sh ipv6 eig
R1#sh ipv6 eigrp pro
R1#sh ipv6 pro      
R1#sh ipv6 protocols eigrp
                     ^
% Invalid input detected at '^' marker.

R1#sh ipv6 protocols      
IPv6 Routing Protocol is "connected"
IPv6 Routing Protocol is "application"
IPv6 Routing Protocol is "ND"
IPv6 Routing Protocol is "eigrp 1"
EIGRP-IPv6 Protocol for AS(1)
  Metric weight K1=1, K2=0, K3=1, K4=0, K5=0
  Soft SIA disabled
  NSF-aware route hold timer is 240
  Router-ID: 1.1.1.1
  Topology : 0 (base) 
    Active Timer: 3 min
    Distance: internal 90 external 170
    Maximum path: 16
    Maximum hopcount 100
    Maximum metric variance 1

  Interfaces:
    GigabitEthernet0/0
    GigabitEthernet0/1
    GigabitEthernet0/2
    GigabitEthernet0/3
  Redistribution:
    None
R1#sh ipv6 inter     
R1#sh ipv6 eigrp inter
R1#sh ipv6 eigrp interfaces 
EIGRP-IPv6 Interfaces for AS(1)
                              Xmit Queue   PeerQ        Mean   Pacing Time   Multicast    Pending
Interface              Peers  Un/Reliable  Un/Reliable  SRTT   Un/Reliable   Flow Timer   Routes
Gi0/0                    1        0/0       0/0           9       0/0           50           0
Gi0/1                    1        0/0       0/0          12       0/0           52           0
Gi0/2                    1        0/0       0/0          16       0/0           60           0
Gi0/3                    1        0/0       0/0          13       0/0           50           0
R1#sh ipv6 eigrp to         
R1#sh ipv6 eigrp topology ?
  X:X:X:X::X/<0-128>  Network to display information about
  active              Show only active entries
  all-links           Show all links in topology table
  base                Base Topology
  detail-links        Show all links in topology table
  pending             Show only entries pending transmission
  summary             Show a summary of the topology table
  zero-successors     Show only zero successor entries
  |                   Output modifiers
  <cr>

R1#sh ipv6 eigrp topology 2001:70:2:7::/64
EIGRP-IPv6 Topology Entry for AS(1)/ID(1.1.1.1) for 2001:70:2:7::/64
  State is Passive, Query origin flag is 1, 1 Successor(s), FD is 3328
  Descriptor Blocks:
  FE80::3 (GigabitEthernet0/0), from FE80::3, Send flag is 0x0
      Composite metric is (3328/3072), route is Internal
      Vector metric:
        Minimum bandwidth is 1000000 Kbit
        Total delay is 30 microseconds
        Reliability is 255/255
        Load is 1/255
        Minimum MTU is 1500
        Hop count is 2
        Originating router is 2.2.2.2
  FE80::4 (GigabitEthernet0/1), from FE80::4, Send flag is 0x0
      Composite metric is (3584/3072), route is Internal
      Vector metric:
        Minimum bandwidth is 1000000 Kbit
        Total delay is 40 microseconds
        Reliability is 255/255
        Load is 1/255
        Minimum MTU is 1500
        Hop count is 2
        Originating router is 2.2.2.2
  FE80::5 (GigabitEthernet0/2), from FE80::5, Send flag is 0x0
      Composite metric is (3840/3072), route is Internal
      Vector metric:
        Minimum bandwidth is 1000000 Kbit
        Total delay is 50 microseconds
        Reliability is 255/255
        Load is 1/255
        Minimum MTU is 1500
        Hop count is 2
        Originating router is 2.2.2.2
R1#sh ipv6 int    
R1#sh ipv6 interface 
GigabitEthernet0/0 is up, line protocol is up
  IPv6 is enabled, link-local address is FE80::1 
  No Virtual link-local address(es):
  Global unicast address(es):
    2001:0:1:3::1, subnet is 2001:0:1:3::/64 
  Joined group address(es):
    FF02::1
    FF02::2
    FF02::A
    FF02::1:FF00:1
  MTU is 1500 bytes
  ICMP error messages limited to one every 100 milliseconds
  ICMP redirects are enabled
  ICMP unreachables are sent
  ND DAD is enabled, number of DAD attempts: 1
  ND reachable time is 30000 milliseconds (using 30000)
  ND advertised reachable time is 0 (unspecified)
  ND advertised retransmit interval is 0 (unspecified)
  ND router advertisements are sent every 200 seconds
  ND router advertisements live for 1800 seconds
  ND advertised default router preference is Medium
  Hosts use stateless autoconfig for addresses.
GigabitEthernet0/1 is up, line protocol is up
  IPv6 is enabled, link-local address is FE80::1 
  No Virtual link-local address(es):
  Global unicast address(es):
    2001:0:1:4::1, subnet is 2001:0:1:4::/64 
  Joined group address(es):
    FF02::1
    FF02::2
    FF02::A
    FF02::1:FF00:1
  MTU is 1500 bytes
  ICMP error messages limited to one every 100 milliseconds
  ICMP redirects are enabled
  ICMP unreachables are sent
  ND DAD is enabled, number of DAD attempts: 1
  ND reachable time is 30000 milliseconds (using 30000)
  ND advertised reachable time is 0 (unspecified)
  ND advertised retransmit interval is 0 (unspecified)
  ND router advertisements are sent every 200 seconds
  ND router advertisements live for 1800 seconds
  ND advertised default router preference is Medium
  Hosts use stateless autoconfig for addresses.
GigabitEthernet0/2 is up, line protocol is up
  IPv6 is enabled, link-local address is FE80::1 
  No Virtual link-local address(es):
  Global unicast address(es):
    2001:0:1:5::1, subnet is 2001:0:1:5::/64 
  Joined group address(es):
    FF02::1
    FF02::2
    FF02::A
    FF02::1:FF00:1
  MTU is 1500 bytes
  ICMP error messages limited to one every 100 milliseconds
  ICMP redirects are enabled
  ICMP unreachables are sent
  ND DAD is enabled, number of DAD attempts: 1
  ND reachable time is 30000 milliseconds (using 30000)
  ND advertised reachable time is 0 (unspecified)
  ND advertised retransmit interval is 0 (unspecified)
  ND router advertisements are sent every 200 seconds
  ND router advertisements live for 1800 seconds
  ND advertised default router preference is Medium
  Hosts use stateless autoconfig for addresses.
GigabitEthernet0/3 is up, line protocol is up
  IPv6 is enabled, link-local address is FE80::1 
  No Virtual link-local address(es):
  Global unicast address(es):
    2001:60:1:6::1, subnet is 2001:60:1:6::/64 
  Joined group address(es):
    FF02::1
    FF02::2
    FF02::A
    FF02::1:FF00:1
  MTU is 1500 bytes
  ICMP error messages limited to one every 100 milliseconds
  ICMP redirects are enabled
  ICMP unreachables are sent
  ND DAD is enabled, number of DAD attempts: 1
  ND reachable time is 30000 milliseconds (using 30000)
  ND advertised reachable time is 0 (unspecified)
  ND advertised retransmit interval is 0 (unspecified)
  ND router advertisements are sent every 200 seconds
  ND router advertisements live for 1800 seconds
  ND advertised default router preference is Medium
  Hosts use stateless autoconfig for addresses.
R1#sh inter          
R1#sh interfaces     
GigabitEthernet0/0 is up, line protocol is up 
  Hardware is iGbE, address is 0cb6.81fb.9400 (bia 0cb6.81fb.9400)
  MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec, 
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  Unknown, Unknown, link type is auto, media type is RJ45
  output flow-control is unsupported, input flow-control is unsupported
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:00:00, output 00:00:00, output hang never
  Last clearing of "show interface" counters never
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     1533 packets input, 164289 bytes, 0 no buffer
     Received 0 broadcasts (0 IP multicasts)
     0 runts, 0 giants, 0 throttles 
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 watchdog, 0 multicast, 0 pause input
     5409 packets output, 583246 bytes, 0 underruns
     0 output errors, 0 collisions, 1 interface resets
     0 unknown protocol drops
     0 babbles, 0 late collision, 0 deferred
     0 lost carrier, 0 no carrier, 0 pause output
     0 output buffer failures, 0 output buffers swapped out
GigabitEthernet0/1 is up, line protocol is up 
  Hardware is iGbE, address is 0cb6.81fb.9401 (bia 0cb6.81fb.9401)
  MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 20 usec, 
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  Unknown, Unknown, link type is auto, media type is RJ45
  output flow-control is unsupported, input flow-control is unsupported
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:00:02, output 00:00:01, output hang never
  Last clearing of "show interface" counters never
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     1792 packets input, 193442 bytes, 0 no buffer
     Received 0 broadcasts (0 IP multicasts)
     0 runts, 0 giants, 0 throttles 
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 watchdog, 0 multicast, 0 pause input
     3828 packets output, 415680 bytes, 0 underruns
     0 output errors, 0 collisions, 1 interface resets
     0 unknown protocol drops
     0 babbles, 0 late collision, 0 deferred
     0 lost carrier, 0 no carrier, 0 pause output
     0 output buffer failures, 0 output buffers swapped out
GigabitEthernet0/2 is up, line protocol is up 
  Hardware is iGbE, address is 0cb6.81fb.9402 (bia 0cb6.81fb.9402)
  MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 30 usec, 
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  Unknown, Unknown, link type is auto, media type is RJ45
  output flow-control is unsupported, input flow-control is unsupported
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:00:02, output 00:00:00, output hang never
  Last clearing of "show interface" counters never
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     5353 packets input, 599202 bytes, 0 no buffer
     Received 0 broadcasts (0 IP multicasts)
     0 runts, 0 giants, 0 throttles 
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 watchdog, 0 multicast, 0 pause input
     801 packets output, 70598 bytes, 0 underruns
     0 output errors, 0 collisions, 1 interface resets
     0 unknown protocol drops
     0 babbles, 0 late collision, 0 deferred
     0 lost carrier, 0 no carrier, 0 pause output
     0 output buffer failures, 0 output buffers swapped out
GigabitEthernet0/3 is up, line protocol is up 
  Hardware is iGbE, address is 0cb6.81fb.9403 (bia 0cb6.81fb.9403)
  MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec, 
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  Unknown, Unknown, link type is auto, media type is RJ45
  output flow-control is unsupported, input flow-control is unsupported
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:00:03, output 00:00:01, output hang never
  Last clearing of "show interface" counters never
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     6563 packets input, 750920 bytes, 0 no buffer
     Received 0 broadcasts (0 IP multicasts)
     0 runts, 0 giants, 0 throttles 
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 watchdog, 0 multicast, 0 pause input
     6632 packets output, 784231 bytes, 0 underruns
     0 output errors, 0 collisions, 1 interface resets
     49 unknown protocol drops
     0 babbles, 0 late collision, 0 deferred
     0 lost carrier, 0 no carrier, 0 pause output
     0 output buffer failures, 0 output buffers swapped out
R1#sh ipv6 interface de                   
R1#sh ipv6 eigrp int                      
R1#sh ipv6 eigrp interfaces de
R1#sh ipv6 eigrp interfaces detail gig0/0
EIGRP-IPv6 Interfaces for AS(1)
                              Xmit Queue   PeerQ        Mean   Pacing Time   Multicast    Pending
Interface              Peers  Un/Reliable  Un/Reliable  SRTT   Un/Reliable   Flow Timer   Routes
Gi0/0                    1        0/0       0/0           9       0/0           50           0
  Hello-interval is 1, Hold-time is 3
  Split-horizon is enabled
  Next xmit serial <none>
  Packetized sent/expedited: 22/0
  Hello's sent/expedited: 1349/7
  Un/reliable mcasts: 0/19  Un/reliable ucasts: 24/21
  Mcast exceptions: 0  CR packets: 0  ACKs suppressed: 0
  Retransmissions sent: 13  Out-of-sequence rcvd: 4
  Topology-ids on interface - 0 
  Authentication mode is not set
  Topologies advertised on this interface:  base
  Topologies not advertised on this interface:

R1#sh ipv6 eigrp interfaces detail gig0/1
EIGRP-IPv6 Interfaces for AS(1)
                              Xmit Queue   PeerQ        Mean   Pacing Time   Multicast    Pending
Interface              Peers  Un/Reliable  Un/Reliable  SRTT   Un/Reliable   Flow Timer   Routes
Gi0/1                    1        0/0       0/0          12       0/0           52           0
  Hello-interval is 5, Hold-time is 15
  Split-horizon is enabled
  Next xmit serial <none>
  Packetized sent/expedited: 21/0
  Hello's sent/expedited: 503/2
  Un/reliable mcasts: 0/28  Un/reliable ucasts: 13/4
  Mcast exceptions: 0  CR packets: 0  ACKs suppressed: 0
  Retransmissions sent: 2  Out-of-sequence rcvd: 1
  Topology-ids on interface - 0 
  Authentication mode is not set
  Topologies advertised on this interface:  base
  Topologies not advertised on this interface:

R3#sh ipv6 eigrp interfaces detail gig0/0
EIGRP-IPv6 Interfaces for AS(1)
                              Xmit Queue   PeerQ        Mean   Pacing Time   Multicast    Pending
Interface              Peers  Un/Reliable  Un/Reliable  SRTT   Un/Reliable   Flow Timer   Routes
Gi0/0                    1        0/0       0/0          16       0/0           64           0
  Hello-interval is 1, Hold-time is 3
  Split-horizon is enabled
  Next xmit serial <none>
  Packetized sent/expedited: 16/0
  Hello's sent/expedited: 1479/7
  Un/reliable mcasts: 0/16  Un/reliable ucasts: 20/19
  Mcast exceptions: 1  CR packets: 1  ACKs suppressed: 1
  Retransmissions sent: 11  Out-of-sequence rcvd: 11
  Topology-ids on interface - 0 
  Authentication mode is not set
  Topologies advertised on this interface:  base
  Topologies not advertised on this interface:

R3#sh ipv6 eigrp interfaces detail gig0/1
EIGRP-IPv6 Interfaces for AS(1)
                              Xmit Queue   PeerQ        Mean   Pacing Time   Multicast    Pending
Interface              Peers  Un/Reliable  Un/Reliable  SRTT   Un/Reliable   Flow Timer   Routes
Gi0/1                    1        0/0       0/0          11       0/0           50           0
  Hello-interval is 5, Hold-time is 15
  Split-horizon is enabled
  Next xmit serial <none>
  Packetized sent/expedited: 35/0
  Hello's sent/expedited: 544/2
  Un/reliable mcasts: 0/41  Un/reliable ucasts: 40/2
  Mcast exceptions: 0  CR packets: 0  ACKs suppressed: 0
  Retransmissions sent: 1  Out-of-sequence rcvd: 1
  Topology-ids on interface - 0 
  Authentication mode is not set
  Topologies advertised on this interface:  base
  Topologies not advertised on this interface:

Topology: MD5 Authentication

IP

Project name: ccna-ipv6-0011-eigrp-for-ipv6

omitting.

Configure basic EIGRP for IPv6

  • R1
configure terminal
!
ipv6 router eigrp 1
eigrp router-id 1.1.1.1
passive-interface GigabitEthernet 0/1
exit
!
interface GigabitEthernet 0/0
ipv6 eigrp 1
exit
interface GigabitEthernet 0/1
ipv6 eigrp 1
exit
!
end
  • R2
configure terminal
!
ipv6 router eigrp 1
eigrp router-id 2.2.2.2
passive-interface GigabitEthernet 0/1
exit
!
interface GigabitEthernet 0/0
ipv6 eigrp 1
exit
interface GigabitEthernet 0/1
ipv6 eigrp 1
exit
!
end
  • R3
configure terminal
!
ipv6 route ::/0 GigabitEthernet 0/0 fe80::1
!
end
  • R4
configure terminal
!
ipv6 route ::/0 GigabitEthernet 0/0 fe80::2
!
end

Configure MD5 Authentication

  • R1
configure terminal
!
key chain C-R1
 key 1
  key-string cisco1234567890
 exit
exit
!
interface GigabitEthernet 0/0
ipv6 authentication mode eigrp 1 md5
ipv6 authentication key-chain eigrp 1 C-R1
exit
!
end
  • R2
configure terminal
!
key chain C-R2
 key 1
  key-string cisco1234567890
 exit
exit
!
interface GigabitEthernet 0/0
ipv6 authentication mode eigrp 1 md5
ipv6 authentication key-chain eigrp 1 C-R2
exit
!
end
R1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R1(config)#ipv
R1(config)#ipv6 route
R1(config)#ipv6 router
R1(config)#ipv6 router ei
R1(config)#ipv6 router eigrp 1
R1(config-rtr)#ei
R1(config-rtr)#eigrp rou
R1(config-rtr)#eigrp router-id 1.1.1.1
R1(config-rtr)#pass
R1(config-rtr)#passive-interface Gi
R1(config-rtr)#passive-interface GigabitEthernet 0/1
R1(config-rtr)#exi
R1(config-rtr)#int gig0/0
R1(config-if)#ipv
R1(config-if)#ipv6 ei
R1(config-if)#ipv6 eigrp 1 
R1(config-if)#int gig0/1
R1(config-if)#ipv
R1(config-if)#ipv6 ei
R1(config-if)#ipv6 eigrp 1
R1(config-if)#^Z
R1#
*Mar 19 22:33:02.276: %SYS-5-CONFIG_I: Configured from console by console
R1#
*Mar 19 22:34:19.336: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::2 (GigabitEthernet0/0) is up: new adjacency
R1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R1(config)#key
R1(config)#key ch
R1(config)#key chain C-R1
R1(config-keychain)#key
R1(config-keychain)#key 1
R1(config-keychain-key)#key
R1(config-keychain-key)#key-string cisco1234567890
R1(config-keychain-key)#int gig0/0
R1(config-if)#ipv
R1(config-if)#ipv6 au
R1(config-if)#ipv6 authentication mo
R1(config-if)#ipv6 authentication mode eig
R1(config-if)#ipv6 authentication mode eigrp 1 md
R1(config-if)#ipv6 authentication mode eigrp 1 md5 
R1(config-if)#ipv
R1(config-if)#ipv6 
*Mar 19 22:36:22.023: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::2 (GigabitEthernet0/0) is down: authentication mode changed
R1(config-if)#ipv6 au
R1(config-if)#ipv6 authentication ke
R1(config-if)#ipv6 authentication key-chain ei
R1(config-if)#ipv6 authentication key-chain eigrp 1 C-R1
R1(config-if)#^Z
R1#
*Mar 19 22:36:54.500: %SYS-5-CONFIG_I: Configured from console by console
R1#
*Mar 19 22:37:56.764: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::2 (GigabitEthernet0/0) is up: new adjacency
R2#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R2(config)#ipv
R2(config)#ipv6 router
R2(config)#ipv6 router eigr
R2(config)#ipv6 router eigrp 1
R2(config-rtr)#ei
R2(config-rtr)#eigrp ro
R2(config-rtr)#eigrp router-id 2.2.2.2
R2(config-rtr)#passi
R2(config-rtr)#passive-interface Gi
R2(config-rtr)#passive-interface GigabitEthernet 0/1
R2(config-rtr)#int gig0/0
R2(config-if)#ipv
R2(config-if)#ipv6 eig
R2(config-if)#ipv6 eigrp 1
R2(config-if)#int 
*Mar 19 22:34:18.386: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::1 (GigabitEthernet0/0) is up: new adjacency
R2(config-if)#int gig0/1
R2(config-if)#ipv
R2(config-if)#ipv6 ei
R2(config-if)#ipv6 eigrp 1
R2(config-if)#^Z
R2#
*Mar 19 22:34:29.687: %SYS-5-CONFIG_I: Configured from console by console
R2#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R2(config)#
*Mar 19 22:36:21.136: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::1 (GigabitEthernet0/0) is down: Interface PEER-TERMINATION received
R2(config)#
*Mar 19 22:36:25.692: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::1 (GigabitEthernet0/0) is up: new adjacency
R2(config)#ip
*Mar 19 22:36:30.536: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::1 (GigabitEthernet0/0) is down: Auth failure
R2(config)#key
R2(config)#key chai
R2(config)#key chain C-R2
R2(config-keychain)#ke
R2(config-keychain)#key 1
R2(config-keychain-key)#key
R2(config-keychain-key)#key-string cisco1234567890
R2(config-keychain-key)#int gig0/0
R2(config-if)#ipv
R2(config-if)#ipv6 au
R2(config-if)#ipv6 authentication mmo
R2(config-if)#ipv6 authentication mmoei
R2(config-if)#ipv6 authentication mod   
R2(config-if)#ipv6 authentication mode ei
R2(config-if)#ipv6 authentication mode eigrp 1 md
R2(config-if)#ipv6 authentication mode eigrp 1 md5 
R2(config-if)#ipv
R2(config-if)#ipv6 auth
R2(config-if)#ipv6 authentication ke
R2(config-if)#ipv6 authentication key-chain eig
R2(config-if)#ipv6 authentication key-chain eigrp 1 C-R2
R2(config-if)#
*Mar 19 22:37:55.935: %DUAL-5-NBRCHANGE: EIGRP-IPv6 1: Neighbor FE80::1 (GigabitEthernet0/0) is up: new adjacency
R2(config-if)#^Z
R2#
*Mar 19 22:38:01.530: %SYS-5-CONFIG_I: Configured from console by console
R3#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R3(config)#ipv
R3(config)#ipv6 route ::/0 Gig
R3(config)#ipv6 route ::/0 GigabitEthernet 0/0 fe80::1
R3(config)#^Z
R3#
*Mar 19 22:34:48.656: %SYS-5-CONFIG_I: Configured from console by console
R3#ping 2001:0:2:4::4 repe
R3#ping 2001:0:2:4::4 repeat 1000000
Type escape sequence to abort.
Sending 1000000, 100-byte ICMP Echos to 2001:0:2:4::4, timeout is 2 seconds:
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.UUUUUUUUUU.UUUUUUUU
UU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.U
UUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUU
UUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUU
U.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UU
UUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUU
UUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU
.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.UUUUUUUUUU.!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!
Success rate is 92 percent (6578/7085), round-trip min/avg/max = 1/5/49 ms
R3#

References

tech/network/cisco/eigrp/eigrp/eigrp-for-ipv6/eigrp-for-ipv6.txt · Last modified: 2019/03/19 22:40 by wnoguchi