tech:network:cisco:eigrp:eigrp:eigrp-basic:eigrp-basic
Table of Contents
EIGRP Fundamental Configuration
EIGRP is Cisco proprietary routing protocol.
Almost labs are GNS3.
Metric
R1#sh interfaces gig0/1
GigabitEthernet0/1 is up, line protocol is up
Hardware is iGbE, address is 0c22.be57.9101 (bia 0c22.be57.9101)
Internet address is 192.168.1.1/24
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 00:00:51, output 00:00:05, 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
4 packets input, 240 bytes, 0 no buffer
Received 4 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
10 packets output, 617 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
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#int gig0/1
R1(config-if)#de
R1(config-if)#del
R1(config-if)#delay ?
<1-16777215> Throughput delay (tens of microseconds)
R1(config-if)#delay 12
R1(config-if)#do sh int gig0/1 | i DLY
MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 120 usec,
R1(config-if)#exit
R1(config)#rou
R1(config)#router
R1(config)#router eig
R1(config)#router eigrp ?
<1-65535> Autonomous System
WORD EIGRP Virtual-Instance Name
R1(config)#router eigrp 1
R1(config-router)#metric weights ?
<0-8> Type (Only TOS 0 supported)
R1(config-router)#metric weights 0 ?
<0-255> K1
R1(config-router)#metric weights 0 1 ?
<0-255> K2
R1(config-router)#metric weights 0 1 1 ?
<0-255> K3
R1(config-router)#metric weights 0 1 1 1 ?
<0-255> K4
R1(config-router)#metric weights 0 1 1 1 1 ?
<0-255> K5
R1(config-router)#metric weights 0 1 1 1 1 3 ?
<cr>
R1(config-router)#metric weights 0 1 1 1 1 3
R1(config-router)#do sh ip protocols
*** IP Routing is NSF aware ***
Routing Protocol is "application"
Sending updates every 0 seconds
Invalid after 0 seconds, hold down 0, flushed after 0
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Maximum path: 32
Routing for Networks:
Routing Information Sources:
Gateway Distance Last Update
Distance: (default is 4)
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 Protocol for AS(1)
Metric weight K1=1, K2=1, K3=1, K4=1, K5=3
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: 4
Maximum hopcount 100
Maximum metric variance 1
Automatic Summarization: disabled
Maximum path: 4
Routing for Networks:
Routing Information Sources:
Gateway Distance Last Update
Distance: internal 90 external 170
R1(config-router)#
bandwidth
this command only use for metric calculation.
link speed is not take effect.
R1>en
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#int s0/0
^
% Invalid input detected at '^' marker.
R1(config)#int s0/1
^
% Invalid input detected at '^' marker.
R1(config)#int s?
Serial
R1(config)#int s
R1(config)#int serial ?
<0-0> Serial interface number
R1(config)#int serial 0?
/
R1(config)#int serial 0/?
<0-0> Serial interface number
R1(config)#int serial 0/0?
. / : <0-2>
R1(config)#int serial 0/0/?
<0-0> Serial interface number
R1(config)#int s0/0/0
R1(config-if)#ip addr 192.168.1.1 255.255.255.0
R1(config-if)#no shut
R1(config-if)#
*Oct 7 02:02:15.171: %LINK-3-UPDOWN: Interface Serial0/0/0, changed state to up
*Oct 7 02:02:16.171: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0/0, changed state to up
R1(config-if)#do sh int s0/0/0
Serial0/0/0 is up, line protocol is up
Hardware is GT96K Serial
Internet address is 192.168.1.1/24
MTU 1500 bytes, BW 1544 Kbit/sec, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation HDLC, loopback not set
Keepalive set (10 sec)
CRC checking enabled
Last input 00:00:01, output 00:00:02, 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
4 packets input, 696 bytes, 0 no buffer
Received 4 broadcasts (0 IP multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
5 packets output, 720 bytes, 0 underruns
0 output errors, 0 collisions, 6 interface resets
0 unknown protocol drops
0 output buffer failures, 0 output buffers swapped out
2 carrier transitions
DCD=up DSR=up DTR=up RTS=up CTS=up
R1(config-if)#bandwidth ?
<1-10000000> Bandwidth in kilobits
inherit Specify how bandwidth is inherited
qos-reference Reference bandwidth for QOS test
receive Specify receive-side bandwidth
R1(config-if)#bandwidth 128
R1(config-if)#do sh run
% Ambiguous command: "do sh run"
R1(config-if)#do sh int s0/0/0
Serial0/0/0 is up, line protocol is up
Hardware is GT96K Serial
Internet address is 192.168.1.1/24
MTU 1500 bytes, BW 128 Kbit/sec, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation HDLC, loopback not set
Keepalive set (10 sec)
CRC checking enabled
Last input 00:00:00, 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
8 packets input, 792 bytes, 0 no buffer
Received 8 broadcasts (0 IP multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
9 packets output, 816 bytes, 0 underruns
0 output errors, 0 collisions, 6 interface resets
0 unknown protocol drops
0 output buffer failures, 0 output buffers swapped out
2 carrier transitions
DCD=up DSR=up DTR=up RTS=up CTS=up
R1(config-if)#^Z
R1#
*Oct 7 02:03:46.539: %SYS-5-CONFIG_I: Configured from console by console
Basic IP Configuration
- R1
en conf t ! hostname R1 no ip domain-lookup line console 0 exec-timeout 0 0 logging synchronous ! int gig0/0 ip address 192.168.0.1 255.255.255.0 no shut exit int gig0/1 ip address 192.168.1.1 255.255.255.0 no shut exit ! end wr
- R2
en conf t ! hostname R2 no ip domain-lookup line console 0 exec-timeout 0 0 logging synchronous ! int gig0/0 ip address 192.168.1.2 255.255.255.0 no shut exit int gig0/1 ip address 192.168.2.2 255.255.255.0 no shut exit ! end wr
- R3
en conf t ! hostname R3 no ip domain-lookup line console 0 exec-timeout 0 0 logging synchronous ! int gig0/0 ip address 192.168.2.3 255.255.255.0 no shut exit int gig0/1 ip address 192.168.3.3 255.255.255.0 no shut exit ! end wr
- PC1
ip 192.168.0.101 255.255.255.0 192.168.0.1 save
- PC2
ip 192.168.3.102 255.255.255.0 192.168.3.3 save
Basic EIGRP Configuration
- R1
en conf t ! ! EIGRP Configuration router eigrp 1 network 192.168.0.1 0.0.0.0 network 192.168.1.1 0.0.0.0 exit ! end
- R2
en conf t ! ! EIGRP Configuration router eigrp 1 network 192.168.1.2 0.0.0.0 network 192.168.2.2 0.0.0.0 exit ! end
- R3
en conf t ! ! EIGRP Configuration router eigrp 1 network 192.168.2.3 0.0.0.0 network 192.168.3.3 0.0.0.0 ! end
R1#sh ip protocols
*** IP Routing is NSF aware ***
Routing Protocol is "application"
Sending updates every 0 seconds
Invalid after 0 seconds, hold down 0, flushed after 0
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Maximum path: 32
Routing for Networks:
Routing Information Sources:
Gateway Distance Last Update
Distance: (default is 4)
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 192.168.1.1
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
Automatic Summarization: disabled
Maximum path: 4
Routing for Networks:
192.168.0.1/32
192.168.1.1/32
Routing Information Sources:
Gateway Distance Last Update
192.168.1.2 90 00:00:47
Distance: internal 90 external 170
R1#sh ip eig
R1#sh ip eigrp nei
R1#sh ip eigrp neighbors
EIGRP-IPv4 Neighbors for AS(1)
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
0 192.168.1.2 Gi0/1 10 00:02:10 9 100 0 8
R1#sh ip ro
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
192.168.0.0/24 is variably subnetted, 2 subnets, 2 masks
C 192.168.0.0/24 is directly connected, GigabitEthernet0/0
L 192.168.0.1/32 is directly connected, GigabitEthernet0/0
192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks
C 192.168.1.0/24 is directly connected, GigabitEthernet0/1
L 192.168.1.1/32 is directly connected, GigabitEthernet0/1
D 192.168.2.0/24 [90/3072] via 192.168.1.2, 00:02:19, GigabitEthernet0/1
D 192.168.3.0/24 [90/3328] via 192.168.1.2, 00:01:49, GigabitEthernet0/1
R1#sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
D 192.168.2.0/24 [90/3072] via 192.168.1.2, 00:03:44, GigabitEthernet0/1
D 192.168.3.0/24 [90/3328] via 192.168.1.2, 00:03:14, GigabitEthernet0/1
R1#sh ip eigrp topology
EIGRP-IPv4 Topology Table for AS(1)/ID(192.168.1.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 192.168.3.0/24, 1 successors, FD is 3328
via 192.168.1.2 (3328/3072), GigabitEthernet0/1
P 192.168.2.0/24, 1 successors, FD is 3072
via 192.168.1.2 (3072/2816), GigabitEthernet0/1
P 192.168.0.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/0
P 192.168.1.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/1
R2#sh ip protocols
*** IP Routing is NSF aware ***
Routing Protocol is "application"
Sending updates every 0 seconds
Invalid after 0 seconds, hold down 0, flushed after 0
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Maximum path: 32
Routing for Networks:
Routing Information Sources:
Gateway Distance Last Update
Distance: (default is 4)
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 192.168.2.2
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
Automatic Summarization: disabled
Maximum path: 4
Routing for Networks:
192.168.1.2/32
192.168.2.2/32
Routing Information Sources:
Gateway Distance Last Update
192.168.1.1 90 00:00:55
192.168.2.3 90 00:00:55
Distance: internal 90 external 170
R2#sh ip eig
R2#sh ip eigrp neigh
R2#sh ip eigrp neighbors
EIGRP-IPv4 Neighbors for AS(1)
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
1 192.168.2.3 Gi0/1 11 00:01:46 7 100 0 4
0 192.168.1.1 Gi0/0 13 00:02:16 1021 5000 0 4
R2#sh ip ro
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
D 192.168.0.0/24 [90/3072] via 192.168.1.1, 00:02:37, GigabitEthernet0/0
192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks
C 192.168.1.0/24 is directly connected, GigabitEthernet0/0
L 192.168.1.2/32 is directly connected, GigabitEthernet0/0
192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks
C 192.168.2.0/24 is directly connected, GigabitEthernet0/1
L 192.168.2.2/32 is directly connected, GigabitEthernet0/1
D 192.168.3.0/24 [90/3072] via 192.168.2.3, 00:01:55, GigabitEthernet0/1
R2#sh ip eigrp topology
EIGRP-IPv4 Topology Table for AS(1)/ID(192.168.2.2)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 192.168.3.0/24, 1 successors, FD is 3072
via 192.168.2.3 (3072/2816), GigabitEthernet0/1
P 192.168.2.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/1
P 192.168.0.0/24, 1 successors, FD is 3072
via 192.168.1.1 (3072/2816), GigabitEthernet0/0
P 192.168.1.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/0
R3#sh ip protocols
*** IP Routing is NSF aware ***
Routing Protocol is "application"
Sending updates every 0 seconds
Invalid after 0 seconds, hold down 0, flushed after 0
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Maximum path: 32
Routing for Networks:
Routing Information Sources:
Gateway Distance Last Update
Distance: (default is 4)
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 192.168.3.3
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
Automatic Summarization: disabled
Maximum path: 4
Routing for Networks:
192.168.2.3/32
192.168.3.3/32
Routing Information Sources:
Gateway Distance Last Update
192.168.2.2 90 00:01:29
Distance: internal 90 external 170
R3#sh ip eig
R3#sh ip eigrp nei
R3#sh ip eigrp neighbors
EIGRP-IPv4 Neighbors for AS(1)
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
0 192.168.2.2 Gi0/0 12 00:01:52 1268 5000 0 7
R3#sh ip ro
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
D 192.168.0.0/24 [90/3328] via 192.168.2.2, 00:02:10, GigabitEthernet0/0
D 192.168.1.0/24 [90/3072] via 192.168.2.2, 00:02:10, GigabitEthernet0/0
192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks
C 192.168.2.0/24 is directly connected, GigabitEthernet0/0
L 192.168.2.3/32 is directly connected, GigabitEthernet0/0
192.168.3.0/24 is variably subnetted, 2 subnets, 2 masks
C 192.168.3.0/24 is directly connected, GigabitEthernet0/1
L 192.168.3.3/32 is directly connected, GigabitEthernet0/1
R3#sh ip eigrp topology
EIGRP-IPv4 Topology Table for AS(1)/ID(192.168.3.3)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 192.168.3.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/1
P 192.168.2.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/0
P 192.168.0.0/24, 1 successors, FD is 3328
via 192.168.2.2 (3328/3072), GigabitEthernet0/0
P 192.168.1.0/24, 1 successors, FD is 3072
via 192.168.2.2 (3072/2816), GigabitEthernet0/0
PC-1> ping 192.168.3.102 84 bytes from 192.168.3.102 icmp_seq=1 ttl=61 time=12.205 ms 84 bytes from 192.168.3.102 icmp_seq=2 ttl=61 time=4.416 ms 84 bytes from 192.168.3.102 icmp_seq=3 ttl=61 time=4.785 ms 84 bytes from 192.168.3.102 icmp_seq=4 ttl=61 time=3.918 ms 84 bytes from 192.168.3.102 icmp_seq=5 ttl=61 time=4.101 ms
D 192.168.3.0/24 [90/3328] via 192.168.1.2, 00:03:14, GigabitEthernet0/1
bandwidth = K1 * 10000/1000 * 256 delay = K3 * 10 / 10 * 3 * 256 metric(Feasible Distance) = (10 + 3) * 256 = 13 * 256 = 3328
show commands
R1#sh ip protocols
*** IP Routing is NSF aware ***
Routing Protocol is "application"
Sending updates every 0 seconds
Invalid after 0 seconds, hold down 0, flushed after 0
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Maximum path: 32
Routing for Networks:
Routing Information Sources:
Gateway Distance Last Update
Distance: (default is 4)
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 192.168.1.1
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
Automatic Summarization: disabled
Maximum path: 4
Routing for Networks:
192.168.0.1/32
192.168.1.1/32
Routing Information Sources:
Gateway Distance Last Update
192.168.1.2 90 02:05:03
Distance: internal 90 external 170
R1#debug ip eigrp
EIGRP-IPv4 Route Event debugging is on
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#int gi0/1
R1(config-if)#shut
R1(config-if)#
*Oct 7 06:27:28.195: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 192.168.1.2 (GigabitEthernet0/1) is down: interface down
R1(config-if)#
*Oct 7 06:27:30.151: %LINK-5-CHANGED: Interface GigabitEthernet0/1, changed state to administratively down
*Oct 7 06:27:31.151: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/1, changed state to down
R1(config-if)#
R1(config-if)#
R1(config-if)#
R1(config-if)#
R1(config-if)#
R1(config-if)#
R1(config-if)#no shut
R1(config-if)#^Z
R1#
*Oct 7 06:27:51.006: %LINK-3-UPDOWN: Interface GigabitEthernet0/1, changed state to up
*Oct 7 06:27:52.006: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/1, changed state to up
R1#
*Oct 7 06:27:52.245: %SYS-5-CONFIG_I: Configured from console by console
R1#
*Oct 7 06:27:55.588: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 192.168.1.2 (GigabitEthernet0/1) is up: new adjacency
R1#
*Oct 7 06:27:57.608: EIGRP-IPv4(1): Int 192.168.2.0/24 M 3072 - 1000000 20000000 SM 2816 - 2524971008 152
*Oct 7 06:27:57.609: EIGRP-IPv4(1): table(default): route installed for 192.168.2.0/24 (90/3072) origin(192.168.1.2)
*Oct 7 06:27:57.609: EIGRP-IPv4(1): Int 192.168.3.0/24 M 3328 - 1000000 30000000 SM 3072 - 754974720 305
*Oct 7 06:27:57.610: EIGRP-IPv4(1): table(default): route installed for 192.168.3.0/24 (90/3328) origin(192.168.1.2)
*Oct 7 06:27:57.615: EIGRP-IPv4(1): table(default): 192.168.0.0/24 - do advertise out GigabitEthernet0/1
*Oct 7 06:27:57.616: EIGRP-IPv4(1): table(default): 192.168.1.0/24 - do advertise out GigabitEthernet0/1
R1#
*Oct 7 06:27:57.619: EIGRP-IPv4(1): table(default): 192.168.0.0/24 - do advertise out GigabitEthernet0/1
*Oct 7 06:27:57.620: EIGRP-IPv4(1): table(default): 192.168.1.0/24 - do advertise out GigabitEthernet0/1
*Oct 7 06:27:57.628: EIGRP-IPv4(1): table(default): 192.168.2.0/24 - do advertise out GigabitEthernet0/1
*Oct 7 06:27:57.629: EIGRP-IPv4(1): table(default): 192.168.3.0/24 - do advertise out GigabitEthernet0/1
*Oct 7 06:27:57.631: EIGRP-IPv4(1): table(default): 192.168.2.0/24 - do advertise out GigabitEthernet0/1
*Oct 7 06:27:57.632: EIGRP-IPv4(1): table(default): 192.168.3.0/24 - do advertise out GigabitEthernet0/1
*Oct 7 06:27:57.774: EIGRP-IPv4(1):
R1#table(default): 192.168.2.0/24 - do advertise out GigabitEthernet0/1
*Oct 7 06:27:57.776: EIGRP-IPv4(1): table(default): 192.168.3.0/24 - do advertise out GigabitEthernet0/1
*Oct 7 06:27:57.787: EIGRP-IPv4(1): Int 192.168.0.0/24 M 72057594037927935 - 1000000 281474976710655 SM 72057594037927935 - 4294901760 4294967295
R1#unde
R1#undebug alll
^
% Invalid input detected at '^' marker.
R1#undebug all
All possible debugging has been turned off
R1#
maximum-paths
- R1
en conf t ! hostname R1 no ip domain-lookup line console 0 exec-timeout 0 0 logging synchronous ! int gig0/0 ip address 172.16.1.1 255.255.255.0 no shut exit int gig0/1 ip address 172.16.2.1 255.255.255.0 no shut int gig0/2 ip address 172.16.3.1 255.255.255.0 no shut int gig0/3 ip address 172.16.4.1 255.255.255.0 no shut exit ! end wr
- R2
en conf t ! hostname R2 no ip domain-lookup line console 0 exec-timeout 0 0 logging synchronous ! int gig0/0 ip address 172.16.2.2 255.255.255.0 no shut exit int gig0/1 ip address 172.16.5.2 255.255.255.0 no shut exit ! end wr
- R3
en conf t ! hostname R3 no ip domain-lookup line console 0 exec-timeout 0 0 logging synchronous ! int gig0/0 ip address 172.16.3.3 255.255.255.0 no shut exit int gig0/1 ip address 172.16.5.3 255.255.255.0 no shut exit ! end wr
- R4
en conf t ! hostname R4 no ip domain-lookup line console 0 exec-timeout 0 0 logging synchronous ! int gig0/0 ip address 172.16.4.4 255.255.255.0 no shut exit int gig0/1 ip address 172.16.5.4 255.255.255.0 no shut exit ! end wr
- PC1
ip 172.16.1.101 255.255.255.0 172.16.1.1 save
- PC2
ip 172.16.5.102 255.255.255.0 172.16.5.2 save
- R1
en conf t ! ! EIGRP Configuration router eigrp 1 network 172.16.1.1 0.0.0.0 network 172.16.2.1 0.0.0.0 network 172.16.3.1 0.0.0.0 network 172.16.4.1 0.0.0.0 exit ! end
- R2
en conf t ! ! EIGRP Configuration router eigrp 1 network 172.16.2.2 0.0.0.0 network 172.16.5.2 0.0.0.0 exit ! end
- R3
en conf t ! ! EIGRP Configuration router eigrp 1 network 172.16.3.3 0.0.0.0 network 172.16.5.3 0.0.0.0 ! end
- R4
en conf t ! ! EIGRP Configuration router eigrp 1 network 172.16.4.4 0.0.0.0 network 172.16.5.4 0.0.0.0 ! end
R1#sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 9 subnets, 2 masks
D 172.16.5.0/24 [90/3072] via 172.16.4.4, 00:01:04, GigabitEthernet0/3
[90/3072] via 172.16.3.3, 00:01:04, GigabitEthernet0/2
[90/3072] via 172.16.2.2, 00:01:04, GigabitEthernet0/1
R2#sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 7 subnets, 2 masks
D 172.16.1.0/24 [90/3072] via 172.16.2.1, 00:01:08, GigabitEthernet0/0
D 172.16.3.0/24 [90/3072] via 172.16.5.3, 00:01:08, GigabitEthernet0/1
[90/3072] via 172.16.2.1, 00:01:08, GigabitEthernet0/0
D 172.16.4.0/24 [90/3072] via 172.16.5.4, 00:01:08, GigabitEthernet0/1
[90/3072] via 172.16.2.1, 00:01:08, GigabitEthernet0/0
R3#sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 7 subnets, 2 masks
D 172.16.1.0/24 [90/3072] via 172.16.3.1, 00:01:08, GigabitEthernet0/0
D 172.16.2.0/24 [90/3072] via 172.16.5.2, 00:01:12, GigabitEthernet0/1
[90/3072] via 172.16.3.1, 00:01:12, GigabitEthernet0/0
D 172.16.4.0/24 [90/3072] via 172.16.5.4, 00:01:08, GigabitEthernet0/1
[90/3072] via 172.16.3.1, 00:01:08, GigabitEthernet0/0
R4#sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 7 subnets, 2 masks
D 172.16.1.0/24 [90/3072] via 172.16.4.1, 00:01:09, GigabitEthernet0/0
D 172.16.2.0/24 [90/3072] via 172.16.5.2, 00:01:09, GigabitEthernet0/1
[90/3072] via 172.16.4.1, 00:01:09, GigabitEthernet0/0
D 172.16.3.0/24 [90/3072] via 172.16.5.3, 00:01:09, GigabitEthernet0/1
[90/3072] via 172.16.4.1, 00:01:09, GigabitEthernet0/0
PC-1> ping 172.16.5.102 172.16.5.102 icmp_seq=1 timeout 172.16.5.102 icmp_seq=2 timeout 84 bytes from 172.16.5.102 icmp_seq=3 ttl=62 time=4.698 ms 84 bytes from 172.16.5.102 icmp_seq=4 ttl=62 time=4.281 ms 84 bytes from 172.16.5.102 icmp_seq=5 ttl=62 time=3.606 ms PC-1> ping 172.16.5.102 84 bytes from 172.16.5.102 icmp_seq=1 ttl=62 time=4.323 ms 84 bytes from 172.16.5.102 icmp_seq=2 ttl=62 time=3.804 ms 84 bytes from 172.16.5.102 icmp_seq=3 ttl=62 time=3.803 ms 84 bytes from 172.16.5.102 icmp_seq=4 ttl=62 time=7.646 ms 84 bytes from 172.16.5.102 icmp_seq=5 ttl=62 time=3.538 ms
R1#sh ip protocols | s eigrp
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.16.4.1
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#router eigrp 1
R1(config-router)#maximu
R1(config-router)#maximum-paths ?
<1-32> Number of paths
R1(config-router)#maximum-paths 2
R1(config-router)#do sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 9 subnets, 2 masks
D 172.16.5.0/24 [90/3072] via 172.16.3.3, 00:00:33, GigabitEthernet0/2
[90/3072] via 172.16.2.2, 00:00:33, GigabitEthernet0/1
R1(config-router)#
R1(config-router)#do sh ip proto | s eigrp
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.16.4.1
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 2
Maximum hopcount 100
Maximum metric variance 1
R1(config-router)#do sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 9 subnets, 2 masks
D 172.16.5.0/24 [90/3072] via 172.16.4.4, 00:00:06, GigabitEthernet0/3
[90/3072] via 172.16.3.3, 00:00:06, GigabitEthernet0/2
[90/3072] via 172.16.2.2, 00:00:06, GigabitEthernet0/1
R1(config-router)#do sh ip proto | s eigrp
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.16.4.1
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
R1(config-router)#no maximum-paths 2
R1(config-router)#do sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 9 subnets, 2 masks
D 172.16.5.0/24 [90/3072] via 172.16.4.4, 00:00:06, GigabitEthernet0/3
[90/3072] via 172.16.3.3, 00:00:06, GigabitEthernet0/2
[90/3072] via 172.16.2.2, 00:00:06, GigabitEthernet0/1
R1(config-router)#do sh ip proto | s eigrp
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.16.4.1
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
R1(config-router)#exit
R1(config)#int gig0/3
R1(config-if)#del
R1(config-if)#delay 10000
R1(config-if)#do sh int gig0/3
GigabitEthernet0/3 is up, line protocol is up
Hardware is iGbE, address is 0ce3.ef42.9c03 (bia 0ce3.ef42.9c03)
Internet address is 172.16.4.1/24
MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 100000 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
387 packets input, 47968 bytes, 0 no buffer
Received 4 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
R1(config-if)#
R1(config-if)#do sh ip eigrp topology
EIGRP-IPv4 Topology Table for AS(1)/ID(172.16.4.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 172.16.5.0/24, 2 successors, FD is 3072
via 172.16.2.2 (3072/2816), GigabitEthernet0/1
via 172.16.3.3 (3072/2816), GigabitEthernet0/2
via 172.16.4.4 (2562816/2816), GigabitEthernet0/3
P 172.16.2.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/1
P 172.16.3.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/2
P 172.16.1.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/0
P 172.16.4.0/24, 1 successors, FD is 2562560
via Connected, GigabitEthernet0/3
via 172.16.2.2 (3328/3072), GigabitEthernet0/1
via 172.16.3.3 (3328/3072), GigabitEthernet0/2
R1(config-if)#do sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 9 subnets, 2 masks
D 172.16.5.0/24 [90/3072] via 172.16.3.3, 00:01:27, GigabitEthernet0/2
[90/3072] via 172.16.2.2, 00:01:27, GigabitEthernet0/1
variance unequal-cost load balancing
R1(config-if)#delay 2
R1(config-if)#do sh ip eigrp topology
EIGRP-IPv4 Topology Table for AS(1)/ID(172.16.4.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 172.16.5.0/24, 2 successors, FD is 3072
via 172.16.2.2 (3072/2816), GigabitEthernet0/1
via 172.16.3.3 (3072/2816), GigabitEthernet0/2
via 172.16.4.4 (3328/2816), GigabitEthernet0/3
P 172.16.2.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/1
P 172.16.3.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/2
P 172.16.1.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/0
P 172.16.4.0/24, 1 successors, FD is 3072
via Connected, GigabitEthernet0/3
R1(config-if)#exit
R1(config)#router eigrp 2
R1(config-router)#varia
R1(config-router)#variance ?
<1-128> Metric variance multiplier
R1(config-router)#do sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 9 subnets, 2 masks
D 172.16.5.0/24 [90/3072] via 172.16.3.3, 00:01:09, GigabitEthernet0/2
[90/3072] via 172.16.2.2, 00:01:09, GigabitEthernet0/1
R1(config-router)#vari
R1(config-router)#variance 2
R1(config-router)#do sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 9 subnets, 2 masks
D 172.16.5.0/24 [90/3072] via 172.16.3.3, 00:01:27, GigabitEthernet0/2
[90/3072] via 172.16.2.2, 00:01:27, GigabitEthernet0/1
take no effect…
R1(config-router)#do sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 9 subnets, 2 masks
D 172.16.5.0/24 [90/3072] via 172.16.3.3, 00:01:56, GigabitEthernet0/2
[90/3072] via 172.16.2.2, 00:01:56, GigabitEthernet0/1
R1(config-router)#do sh ip eigrp topology
EIGRP-IPv4 Topology Table for AS(1)/ID(172.16.4.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 172.16.5.0/24, 2 successors, FD is 3072
via 172.16.2.2 (3072/2816), GigabitEthernet0/1
via 172.16.3.3 (3072/2816), GigabitEthernet0/2
via 172.16.4.4 (3328/2816), GigabitEthernet0/3
P 172.16.2.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/1
P 172.16.3.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/2
P 172.16.1.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/0
P 172.16.4.0/24, 1 successors, FD is 3072
via Connected, GigabitEthernet0/3
EIGRP-IPv4 Topology Table for AS(2)/ID(172.16.4.1)
R1(config-router)#do sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 9 subnets, 2 masks
D 172.16.5.0/24 [90/3072] via 172.16.3.3, 00:04:14, GigabitEthernet0/2
[90/3072] via 172.16.2.2, 00:04:14, GigabitEthernet0/1
R1(config-router)#do clear ip ro *
R1(config-router)#do sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 9 subnets, 2 masks
D 172.16.5.0/24 [90/3072] via 172.16.3.3, 00:00:06, GigabitEthernet0/2
[90/3072] via 172.16.2.2, 00:00:06, GigabitEthernet0/1
R1(config-router)#do clear ip eigrp pro
R1(config-router)#do clear ip eigrp process
^
% Invalid input detected at '^' marker.
R1(config-router)#^Z
R1#
*Oct 7 07:44:59.018: %SYS-5-CONFIG_I: Configured from console by console
R1#sh run | s eigrp
router eigrp 1
network 172.16.1.1 0.0.0.0
network 172.16.2.1 0.0.0.0
network 172.16.3.1 0.0.0.0
network 172.16.4.1 0.0.0.0
router eigrp 2
variance 2
oh god, my eigrp as number mistake…
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#no eigr
R1(config)#no router eigpr 2
^
% Invalid input detected at '^' marker.
R1(config)#no router eigrp 2
R1(config)#do sh run | sec eigrp
router eigrp 1
network 172.16.1.1 0.0.0.0
network 172.16.2.1 0.0.0.0
network 172.16.3.1 0.0.0.0
network 172.16.4.1 0.0.0.0
R1(config)#router eigrp 1
R1(config-router)#vari
R1(config-router)#do sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 9 subnets, 2 masks
D 172.16.5.0/24 [90/3072] via 172.16.3.3, 00:00:20, GigabitEthernet0/2
[90/3072] via 172.16.2.2, 00:00:20, GigabitEthernet0/1
R1(config-router)#do sh ip eigrp topology
EIGRP-IPv4 Topology Table for AS(1)/ID(172.16.4.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 172.16.5.0/24, 2 successors, FD is 3072
via 172.16.2.2 (3072/2816), GigabitEthernet0/1
via 172.16.3.3 (3072/2816), GigabitEthernet0/2
via 172.16.4.4 (3328/2816), GigabitEthernet0/3
P 172.16.2.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/1
P 172.16.3.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/2
P 172.16.1.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/0
P 172.16.4.0/24, 1 successors, FD is 3072
via Connected, GigabitEthernet0/3
R1(config-router)#vari
R1(config-router)#variance 2
R1(config-router)#do sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 9 subnets, 2 masks
D 172.16.5.0/24 [90/3328] via 172.16.4.4, 00:00:08, GigabitEthernet0/3
[90/3072] via 172.16.3.3, 00:00:08, GigabitEthernet0/2
[90/3072] via 172.16.2.2, 00:00:08, GigabitEthernet0/1
R1(config-router)#do sh ip eigrp topology
EIGRP-IPv4 Topology Table for AS(1)/ID(172.16.4.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 172.16.5.0/24, 3 successors, FD is 3072
via 172.16.2.2 (3072/2816), GigabitEthernet0/1
via 172.16.3.3 (3072/2816), GigabitEthernet0/2
via 172.16.4.4 (3328/2816), GigabitEthernet0/3
P 172.16.2.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/1
P 172.16.3.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/2
P 172.16.1.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/0
P 172.16.4.0/24, 1 successors, FD is 3072
via Connected, GigabitEthernet0/3
R1(config-router)#do sh run | s eigrp
router eigrp 1
variance 2
network 172.16.1.1 0.0.0.0
network 172.16.2.1 0.0.0.0
network 172.16.3.1 0.0.0.0
network 172.16.4.1 0.0.0.0
R1(config-router)#do sh ip protocols | s eigrp
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.16.4.1
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 2
configuration, verification ok.
PC-1> ping 172.16.5.102 172.16.5.102 icmp_seq=1 timeout 172.16.5.102 icmp_seq=2 timeout 84 bytes from 172.16.5.102 icmp_seq=3 ttl=62 time=3.684 ms 84 bytes from 172.16.5.102 icmp_seq=4 ttl=62 time=2.741 ms 84 bytes from 172.16.5.102 icmp_seq=5 ttl=62 time=2.741 ms
auto-summary
- R1
en conf t ! hostname R1 no ip domain-lookup line console 0 exec-timeout 0 0 logging synchronous ! int gig0/0 ip address 172.16.1.1 255.255.255.0 no shut exit int gig0/1 ip address 172.16.2.1 255.255.255.0 no shut exit ! end wr
- R2
en conf t ! hostname R2 no ip domain-lookup line console 0 exec-timeout 0 0 logging synchronous ! int gig0/0 ip address 172.16.2.2 255.255.255.0 no shut exit int gig0/1 ip address 172.17.1.2 255.255.255.0 no shut exit ! end wr
- R3
en conf t ! hostname R3 no ip domain-lookup line console 0 exec-timeout 0 0 logging synchronous ! int gig0/0 ip address 172.17.1.3 255.255.255.0 no shut exit int gig0/1 ip address 172.17.2.3 255.255.255.0 no shut exit ! end wr
- PC1
ip 172.16.1.101 255.255.255.0 172.16.1.1 save
- PC2
ip 172.17.2.102 255.255.255.0 172.17.2.3 save
EIGRP Configuration
- R1
en conf t ! ! EIGRP Configuration router eigrp 1 network 172.16.1.1 0.0.0.0 network 172.16.2.1 0.0.0.0 exit ! end
- R2
en conf t ! ! EIGRP Configuration router eigrp 1 network 172.16.2.2 0.0.0.0 network 172.17.1.2 0.0.0.0 exit ! end
- R3
en conf t ! ! EIGRP Configuration router eigrp 1 network 172.17.1.3 0.0.0.0 network 172.17.2.3 0.0.0.0 ! end
R1#sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.17.0.0/24 is subnetted, 2 subnets
D 172.17.1.0 [90/3072] via 172.16.2.2, 00:00:22, GigabitEthernet0/1
D 172.17.2.0 [90/3328] via 172.16.2.2, 00:00:17, GigabitEthernet0/1
R1#sh ip protocols | section eigrp
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.16.2.1
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
R1#sh ip protocols
*** IP Routing is NSF aware ***
Routing Protocol is "application"
Sending updates every 0 seconds
Invalid after 0 seconds, hold down 0, flushed after 0
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Maximum path: 32
Routing for Networks:
Routing Information Sources:
Gateway Distance Last Update
Distance: (default is 4)
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.16.2.1
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
Automatic Summarization: disabled
Maximum path: 4
Routing for Networks:
172.16.1.1/32
172.16.2.1/32
Routing Information Sources:
Gateway Distance Last Update
172.16.2.2 90 00:04:37
Distance: internal 90 external 170
R1#sh ip pro
R1#sh ip protocols | begin eigrp
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.16.2.1
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
Automatic Summarization: disabled
Maximum path: 4
Routing for Networks:
172.16.1.1/32
172.16.2.1/32
Routing Information Sources:
Gateway Distance Last Update
172.16.2.2 90 00:05:20
Distance: internal 90 external 170
R1#sh run all | section eigrp
router eigrp 1
timers active-time 3
timers graceful-restart purge-time 240
metric maximum-hops 100
metric weights 0 1 0 1 0 0
traffic-share balanced
variance 1
network 172.16.1.1 0.0.0.0
network 172.16.2.1 0.0.0.0
distance eigrp 90 170
no auto-summary
no passive-interface default
eigrp log-neighbor-changes
eigrp log-neighbor-warnings 10
eigrp event-log-size 500
no shutdown
monitor event-trace eigrp perf-events rate-limiting 1
R2#sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 3 subnets, 2 masks
D 172.16.1.0/24 [90/3072] via 172.16.2.1, 00:00:27, GigabitEthernet0/0
172.17.0.0/16 is variably subnetted, 3 subnets, 2 masks
D 172.17.2.0/24 [90/3072] via 172.17.1.3, 00:00:22, GigabitEthernet0/1
R2#sh ip protocols | section eigrp
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.17.1.2
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
R2#sh ip protocols | begin eigrp
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.17.1.2
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
Automatic Summarization: disabled
Maximum path: 4
Routing for Networks:
172.16.2.2/32
172.17.1.2/32
Routing Information Sources:
Gateway Distance Last Update
172.17.1.3 90 00:04:58
172.16.2.1 90 00:05:03
Distance: internal 90 external 170
R3#sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/24 is subnetted, 2 subnets
D 172.16.1.0 [90/3328] via 172.17.1.2, 00:00:22, GigabitEthernet0/0
D 172.16.2.0 [90/3072] via 172.17.1.2, 00:00:22, GigabitEthernet0/0
R3#sh ip protocols | section eigrp
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.17.2.3
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
R3#sh ip protocols | begin eigrp
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.17.2.3
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
Automatic Summarization: disabled
Maximum path: 4
Routing for Networks:
172.17.1.3/32
172.17.2.3/32
Routing Information Sources:
Gateway Distance Last Update
172.17.1.2 90 00:06:42
Distance: internal 90 external 170
show ip protocols | section eigrp snipping rest of sections… It this bug?
PC-1> ping 172.17.2.102 84 bytes from 172.17.2.102 icmp_seq=1 ttl=61 time=16.078 ms 84 bytes from 172.17.2.102 icmp_seq=2 ttl=61 time=4.833 ms 84 bytes from 172.17.2.102 icmp_seq=3 ttl=61 time=4.316 ms 84 bytes from 172.17.2.102 icmp_seq=4 ttl=61 time=4.892 ms 84 bytes from 172.17.2.102 icmp_seq=5 ttl=61 time=7.253 ms
no auto-summary is default.
on R2.
conf t ! router eigrp 1 auto-summary exit ! end
R2#conf t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router R2(config)#router eigr R2(config)#router eigrp 1 R2(config-router)#auto-sum R2(config-router)#auto-summary R2(config-router)# *Oct 7 09:10:32.567: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 172.17.1.3 (GigabitEthernet0/1) is resync: summary configured *Oct 7 09:10:32.567: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 172.16.2.1 (GigabitEthernet0/0) is resync: summary configured *Oct 7 09:10:32.575: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 172.16.2.1 (GigabitEthernet0/0) is resync: summary up, remove components *Oct 7 09:10:32.577: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 172.17.1.3 (GigabitEthernet0/1) is resync: summary up, remove components
R1# *Oct 7 09:10:33.439: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 172.16.2.2 (GigabitEthernet0/1) is resync: peer graceful-restart
R3# *Oct 7 09:10:33.456: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 172.17.1.2 (GigabitEthernet0/0) is resync: peer graceful-restart
R1#sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
D 172.17.0.0/16 [90/3072] via 172.16.2.2, 00:02:18, GigabitEthernet0/1
R1#sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
D 172.17.0.0/16 [90/3072] via 172.16.2.2, 00:02:18, GigabitEthernet0/1
R1#sh ip eigrp topo
R1#sh ip eigrp topology
EIGRP-IPv4 Topology Table for AS(1)/ID(172.16.2.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 172.16.2.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/1
P 172.17.0.0/16, 1 successors, FD is 3072
via 172.16.2.2 (3072/2816), GigabitEthernet0/1
P 172.16.1.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/0
R2#sh ip protocols | begin eigrp
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.17.1.2
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
Automatic Summarization: enabled
172.17.0.0/16 for Gi0/0
Summarizing 2 components with metric 2816
172.16.0.0/16 for Gi0/1
Summarizing 2 components with metric 2816
Maximum path: 4
Routing for Networks:
172.16.2.2/32
172.17.1.2/32
Routing Information Sources:
Gateway Distance Last Update
172.17.1.3 90 00:01:23
172.16.2.1 90 00:01:23
Distance: internal 90 external 170
R2#sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 4 subnets, 3 masks
D 172.16.0.0/16 is a summary, 00:02:09, Null0
D 172.16.1.0/24 [90/3072] via 172.16.2.1, 00:25:13, GigabitEthernet0/0
172.17.0.0/16 is variably subnetted, 4 subnets, 3 masks
D 172.17.0.0/16 is a summary, 00:02:09, Null0
D 172.17.2.0/24 [90/3072] via 172.17.1.3, 00:25:08, GigabitEthernet0/1
R2#sh ip eigrp topology
EIGRP-IPv4 Topology Table for AS(1)/ID(172.17.1.2)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 172.16.2.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/0
P 172.16.0.0/16, 1 successors, FD is 2816
via Summary (2816/0), Null0
P 172.17.2.0/24, 1 successors, FD is 3072
via 172.17.1.3 (3072/2816), GigabitEthernet0/1
P 172.17.0.0/16, 1 successors, FD is 2816
via Summary (2816/0), Null0
P 172.16.1.0/24, 1 successors, FD is 3072
via 172.16.2.1 (3072/2816), GigabitEthernet0/0
P 172.17.1.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/1
R2#sh run all | section eigrp
router eigrp 1
timers active-time 3
timers graceful-restart purge-time 240
metric maximum-hops 100
metric weights 0 1 0 1 0 0
traffic-share balanced
variance 1
network 172.16.2.2 0.0.0.0
network 172.17.1.2 0.0.0.0
distance eigrp 90 170
auto-summary
no passive-interface default
eigrp log-neighbor-changes
eigrp log-neighbor-warnings 10
eigrp event-log-size 500
no shutdown
monitor event-trace eigrp perf-events rate-limiting 1
R3#sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
D 172.16.0.0/16 [90/3072] via 172.17.1.2, 00:02:23, GigabitEthernet0/0
R3#sh ip eigrp topology
EIGRP-IPv4 Topology Table for AS(1)/ID(172.17.2.3)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 172.16.0.0/16, 1 successors, FD is 3072
via 172.17.1.2 (3072/2816), GigabitEthernet0/0
P 172.17.2.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/1
P 172.17.1.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/0
PC-1> ping 172.17.2.102 172.17.2.102 icmp_seq=1 timeout 172.17.2.102 icmp_seq=2 timeout 84 bytes from 172.17.2.102 icmp_seq=3 ttl=61 time=4.877 ms 84 bytes from 172.17.2.102 icmp_seq=4 ttl=61 time=4.927 ms 84 bytes from 172.17.2.102 icmp_seq=5 ttl=61 time=5.332 ms
passive-interface
- R1
en conf t ! hostname R1 no ip domain-lookup line console 0 exec-timeout 0 0 logging synchronous ! int gig0/0 ip address 172.16.1.1 255.255.255.0 no shut exit int gig0/1 ip address 172.16.2.1 255.255.255.0 no shut exit ! end wr
- R2
en conf t ! hostname R2 no ip domain-lookup line console 0 exec-timeout 0 0 logging synchronous ! int gig0/0 ip address 172.16.2.2 255.255.255.0 no shut exit int gig0/1 ip address 172.17.1.2 255.255.255.0 no shut exit ! end wr
- R3
en conf t ! hostname R3 no ip domain-lookup line console 0 exec-timeout 0 0 logging synchronous ! int gig0/0 ip address 172.17.1.3 255.255.255.0 no shut exit int gig0/1 ip address 172.17.2.3 255.255.255.0 no shut exit ! end wr
- PC1
ip 172.16.1.101 255.255.255.0 172.16.1.1 save
- PC2
ip 172.17.2.102 255.255.255.0 172.17.2.3 save
- R1
en conf t ! ! EIGRP Configuration router eigrp 1 network 172.16.1.1 0.0.0.0 network 172.16.2.1 0.0.0.0 exit ! end
- R2
en conf t ! ! EIGRP Configuration router eigrp 1 network 172.16.2.2 0.0.0.0 network 172.17.1.2 0.0.0.0 exit ! end
- R3
en conf t ! ! EIGRP Configuration router eigrp 1 network 172.17.1.3 0.0.0.0 network 172.17.2.3 0.0.0.0 ! end
debug ip eigrp
- R1
conf t ! router eigrp 1 passive-interface gig0/0 exit ! end
- R3
conf t ! router eigrp 1 passive-interface gig0/1 exit ! end
R1#debug ip eigrp
EIGRP-IPv4 Route Event debugging is on
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#!
R1(config)#router eigrp 1
R1(config-router)#passi
R1(config-router)#passive-interface gig0/0
R1(config-router)#do sh ip protocols
*** IP Routing is NSF aware ***
Routing Protocol is "application"
Sending updates every 0 seconds
Invalid after 0 seconds, hold down 0, flushed after 0
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Maximum path: 32
Routing for Networks:
Routing Information Sources:
Gateway Distance Last Update
Distance: (default is 4)
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.16.2.1
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
Automatic Summarization: disabled
Maximum path: 4
Routing for Networks:
172.16.1.1/32
172.16.2.1/32
Passive Interface(s):
GigabitEthernet0/0
Routing Information Sources:
Gateway Distance Last Update
172.16.2.2 90 00:07:29
Distance: internal 90 external 170
R3#debug ip eigrp
EIGRP-IPv4 Route Event debugging is on
R3#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R3(config)#!
R3(config)#router eigrp 1
R3(config-router)#passi
R3(config-router)#passive-interface gig0/1
R3(config-router)#do sh ip proto
R3(config-router)#do sh ip protocol
R3(config-router)#do sh ip protocols | begin eigrp
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.17.2.3
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
Automatic Summarization: disabled
Maximum path: 4
Routing for Networks:
172.17.1.3/32
172.17.2.3/32
Passive Interface(s):
GigabitEthernet0/1
Routing Information Sources:
Gateway Distance Last Update
172.17.1.2 90 00:07:48
Distance: internal 90 external 170
R1(config-router)#do sh ip ro eigrp
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.17.0.0/24 is subnetted, 2 subnets
D 172.17.1.0 [90/3072] via 172.16.2.2, 00:09:27, GigabitEthernet0/1
D 172.17.2.0 [90/3328] via 172.16.2.2, 00:09:27, GigabitEthernet0/1
Let's check packets.
passive-interface default for Layer 3 switch
- SW1
en conf t ! hostname SW1 no ip domain-lookup line console 0 exec-timeout 0 0 logging synchronous ! ip routing ! vlan 10,20,30,40 exit ! int vlan 10 ip address 172.16.10.1 255.255.255.0 no shut exit int vlan 20 ip address 172.16.20.1 255.255.255.0 no shut exit int vlan 30 ip address 172.16.30.1 255.255.255.0 no shut exit int vlan 40 ip address 172.16.40.1 255.255.255.0 no shut exit ! int gig0/0 switchport mode access switchport access vlan 10 exit int gig0/1 switchport mode access switchport access vlan 20 exit int gig0/2 switchport mode access switchport access vlan 30 exit int gig0/3 switchport mode access switchport access vlan 40 exit ! router eigrp 1 network 172.16.10.1 0.0.0.0 network 172.16.20.1 0.0.0.0 network 172.16.30.1 0.0.0.0 network 172.16.40.1 0.0.0.0 exit ! end wr
- SW2
en conf t ! hostname SW2 no ip domain-lookup line console 0 exec-timeout 0 0 logging synchronous ! ip routing ! vlan 10,50,60,70 exit ! int vlan 10 ip address 172.16.10.2 255.255.255.0 no shut exit int vlan 50 ip address 172.16.50.2 255.255.255.0 no shut exit int vlan 60 ip address 172.16.60.2 255.255.255.0 no shut exit int vlan 70 ip address 172.16.70.2 255.255.255.0 no shut exit ! int gig0/0 switchport mode access switchport access vlan 10 exit int gig0/1 switchport mode access switchport access vlan 50 exit int gig0/2 switchport mode access switchport access vlan 60 exit int gig0/3 switchport mode access switchport access vlan 70 exit ! router eigrp 1 network 172.16.10.2 0.0.0.0 network 172.16.50.2 0.0.0.0 network 172.16.60.2 0.0.0.0 network 172.16.70.2 0.0.0.0 exit ! end wr
- PC1
ip 172.16.20.101 255.255.255.0 172.16.20.1 save
- PC2
ip 172.16.30.102 255.255.255.0 172.16.30.1 save
- PC3
ip 172.16.40.103 255.255.255.0 172.16.40.1 save
- PC4
ip 172.16.50.104 255.255.255.0 172.16.50.2 save
- PC5
ip 172.16.60.105 255.255.255.0 172.16.60.2 save
- PC6
ip 172.16.70.106 255.255.255.0 172.16.70.2 save
SW1#sh ip ro
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 11 subnets, 2 masks
C 172.16.10.0/24 is directly connected, Vlan10
L 172.16.10.1/32 is directly connected, Vlan10
C 172.16.20.0/24 is directly connected, Vlan20
L 172.16.20.1/32 is directly connected, Vlan20
C 172.16.30.0/24 is directly connected, Vlan30
L 172.16.30.1/32 is directly connected, Vlan30
C 172.16.40.0/24 is directly connected, Vlan40
L 172.16.40.1/32 is directly connected, Vlan40
D 172.16.50.0/24 [90/3072] via 172.16.10.2, 00:00:38, Vlan10
D 172.16.60.0/24 [90/3072] via 172.16.10.2, 00:00:38, Vlan10
D 172.16.70.0/24 [90/3072] via 172.16.10.2, 00:00:38, Vlan10
SW1#sh ip protocols | begin eigrp
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.16.40.1
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
Automatic Summarization: disabled
Maximum path: 4
Routing for Networks:
172.16.10.1/32
172.16.20.1/32
172.16.30.1/32
172.16.40.1/32
Routing Information Sources:
Gateway Distance Last Update
172.16.10.2 90 00:01:59
Distance: internal 90 external 170
SW2#sh ip ro
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 11 subnets, 2 masks
C 172.16.10.0/24 is directly connected, Vlan10
L 172.16.10.2/32 is directly connected, Vlan10
D 172.16.20.0/24 [90/3072] via 172.16.10.1, 00:00:42, Vlan10
D 172.16.30.0/24 [90/3072] via 172.16.10.1, 00:00:42, Vlan10
D 172.16.40.0/24 [90/3072] via 172.16.10.1, 00:00:42, Vlan10
C 172.16.50.0/24 is directly connected, Vlan50
L 172.16.50.2/32 is directly connected, Vlan50
C 172.16.60.0/24 is directly connected, Vlan60
L 172.16.60.2/32 is directly connected, Vlan60
C 172.16.70.0/24 is directly connected, Vlan70
L 172.16.70.2/32 is directly connected, Vlan70
SW2#sh ip protocols | begin eigrp
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.16.70.2
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
Automatic Summarization: disabled
Maximum path: 4
Routing for Networks:
172.16.10.2/32
172.16.50.2/32
172.16.60.2/32
172.16.70.2/32
Routing Information Sources:
Gateway Distance Last Update
172.16.10.1 90 00:02:07
Distance: internal 90 external 170
PC-1> ping 172.16.70.106 84 bytes from 172.16.70.106 icmp_seq=1 ttl=62 time=44.674 ms 84 bytes from 172.16.70.106 icmp_seq=2 ttl=62 time=11.751 ms 84 bytes from 172.16.70.106 icmp_seq=3 ttl=62 time=8.385 ms 84 bytes from 172.16.70.106 icmp_seq=4 ttl=62 time=13.396 ms 84 bytes from 172.16.70.106 icmp_seq=5 ttl=62 time=9.879 ms
debug eigrp packets hello
SW1#debug eigrp packets hello
(HELLO)
EIGRP Packet debugging is on
SW1#
*Oct 7 11:48:38.260: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.2
*Oct 7 11:48:38.261: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
*Oct 7 11:48:38.397: EIGRP: Sending HELLO on Vl20 - paklen 20
*Oct 7 11:48:38.398: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
SW1#
*Oct 7 11:48:39.501: EIGRP: Sending HELLO on Vl30 - paklen 20
*Oct 7 11:48:39.502: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
SW1#
*Oct 7 11:48:41.717: EIGRP: Sending HELLO on Vl40 - paklen 20
*Oct 7 11:48:41.718: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
*Oct 7 11:48:42.494: EIGRP: Sending HELLO on Vl10 - paklen 20
*Oct 7 11:48:42.495: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
SW1#
*Oct 7 11:48:43.096: EIGRP: Sending HELLO on Vl20 - paklen 20
*Oct 7 11:48:43.097: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
*Oct 7 11:48:43.216: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.2
*Oct 7 11:48:43.217: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
SW1#
*Oct 7 11:48:44.363: EIGRP: Sending HELLO on Vl30 - paklen 20
*Oct 7 11:48:44.364: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
SW1#
*Oct 7 11:48:46.268: EIGRP: Sending HELLO on Vl40 - paklen 20
*Oct 7 11:48:46.268: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
SW1#
SW2#debug eigrp packets hello
(HELLO)
EIGRP Packet debugging is on
SW2#
*Oct 7 11:48:37.419: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.1
*Oct 7 11:48:37.421: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
*Oct 7 11:48:38.109: EIGRP: Sending HELLO on Vl10 - paklen 20
*Oct 7 11:48:38.109: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
SW2#
*Oct 7 11:48:39.846: EIGRP: Sending HELLO on Vl50 - paklen 20
*Oct 7 11:48:39.847: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
*Oct 7 11:48:39.940: EIGRP: Sending HELLO on Vl70 - paklen 20
*Oct 7 11:48:39.941: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
*Oct 7 11:48:40.626: EIGRP: Sending HELLO on Vl60 - paklen 20
*Oct 7 11:48:40.626: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
SW2#
*Oct 7 11:48:42.329: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.1
*Oct 7 11:48:42.330: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
*Oct 7 11:48:42.979: EIGRP: Sending HELLO on Vl10 - paklen 20
*Oct 7 11:48:42.980: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
SW2#
*Oct 7 11:48:44.275: EIGRP: Sending HELLO on Vl50 - paklen 20
*Oct 7 11:48:44.276: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
*Oct 7 11:48:44.557: EIGRP: Sending HELLO on Vl70 - paklen 20
*Oct 7 11:48:44.558: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
SW2#
*Oct 7 11:48:45.480: EIGRP: Sending HELLO on Vl60 - paklen 20
*Oct 7 11:48:45.481: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
SW2#
*Oct 7 11:48:47.334: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.1
*Oct 7 11:48:47.335: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
*Oct 7 11:48:47.651: EIGRP: Sending HELLO on Vl10 - paklen 20
*Oct 7 11:48:47.652: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
SW2#
*Oct 7 11:48:48.747: EIGRP: Sending HELLO on Vl50 - paklen 20
*Oct 7 11:48:48.748: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
*Oct 7 11:48:49.118: EIGRP: Sending HELLO on Vl70 - paklen 20
*Oct 7 11:48:49.119: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
SW2#
*Oct 7 11:48:50.154: EIGRP: Sending HELLO on Vl60 - paklen 20
*Oct 7 11:48:50.155: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
SW2#
*Oct 7 11:48:52.003: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.1
*Oct 7 11:48:52.004: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
*Oct 7 11:48:52.300: EIGRP: Sending HELLO on Vl10 - paklen 20
*Oct 7 11:48:52.300: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
SW2#
*Oct 7 11:48:53.220: EIGRP: Sending HELLO on Vl50 - paklen 20
*Oct 7 11:48:53.220: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
*Oct 7 11:48:53.779: EIGRP: Sending HELLO on Vl70 - paklen 20
*Oct 7 11:48:53.780: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
SW2#
*Oct 7 11:48:54.618: EIGRP: Sending HELLO on Vl60 - paklen 20
*Oct 7 11:48:54.619: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
SW2#
very noisy hello…
conf t ! router eigrp 1 passive-interface default no passive-interface vlan 10 ! end
SW1(config-router)#passive-interface default *Oct 7 11:50:45.503: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.2 *Oct 7 11:50:45.503: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 *Oct 7 11:50:46.226: EIGRP: Sending HELLO on Vl20 - paklen 20 *Oct 7 11:50:46.226: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:50:46.344: EIGRP: Sending HELLO on Vl30 - paklen 20 *Oct 7 11:50:46.344: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW1(config-router)#no passi SW1(config-router)#no passive-interface *Oct 7 11:50:47.083: EIGRP: Sending HELLO on Vl10 - paklen 20 *Oct 7 11:50:47.084: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:50:47.418: EIGRP: Sending HELLO on Vl40 - paklen 20 *Oct 7 11:50:47.419: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW1(config-router)#no passive-interface vlan *Oct 7 11:50:50.503: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.2 *Oct 7 11:50:50.505: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 *Oct 7 11:50:50.727: EIGRP: Sending HELLO on Vl30 - paklen 20 *Oct 7 11:50:50.728: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:50:50.820: EIGRP: Sending HELLO on Vl20 - paklen 20 *Oct 7 11:50:50.821: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 1 SW1(config-router)#no passive-interface vlan 10 SW1(config-router)# *Oct 7 11:50:51.803: EIGRP: Sending HELLO on Vl10 - paklen 20 *Oct 7 11:50:51.804: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:50:52.355: EIGRP: Sending HELLO on Vl40 - paklen 20 *Oct 7 11:50:52.356: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW1(config-router)# *Oct 7 11:50:54.777: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.2 *Oct 7 11:50:54.778: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 *Oct 7 11:50:55.455: EIGRP: Sending HELLO on Vl30 - paklen 20 *Oct 7 11:50:55.456: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:50:55.685: EIGRP: Sending HELLO on Vl20 - paklen 20 *Oct 7 11:50:55.685: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW1(config-router)# *Oct 7 11:50:56.608: EIGRP: Sending HELLO on Vl10 - paklen 20 *Oct 7 11:50:56.608: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:50:56.805: EIGRP: Sending HELLO on Vl40 - paklen 20 *Oct 7 11:50:56.805: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW1(config-router)# *Oct 7 11:50:59.168: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.2 *Oct 7 11:50:59.169: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 *Oct 7 11:50:59.722: EIGRP: Sending HELLO on Vl30 - paklen 20 *Oct 7 11:50:59.722: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW1(config-router)#passi SW1(config-router)#passive-interface *Oct 7 11:51:00.756: EIGRP: Sending HELLO on Vl20 - paklen 20 *Oct 7 11:51:00.756: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:51:01.391: EIGRP: Sending HELLO on Vl40 - paklen 20 *Oct 7 11:51:01.392: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:51:01.585: EIGRP: Sending HELLO on Vl10 - paklen 20 *Oct 7 11:51:01.586: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW1(config-router)#passive-interface defau SW1(config-router)#passive-interface default SW1(config-router)# *Oct 7 11:51:04.154: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.2 *Oct 7 11:51:04.155: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 *Oct 7 11:51:04.426: EIGRP: Sending HELLO on Vl30 - paklen 20 *Oct 7 11:51:04.427: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:51:05.102: EIGRP: Sending HELLO on Vl10 - paklen 20 *Oct 7 11:51:05.103: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW1(config-router)# *Oct 7 11:51:05.105: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 172.16.10.2 (Vlan10) is down: interface passive SW1(config-router)#no pass SW1(config-router)#no passive-interface vlan 10 SW1(config-router)# *Oct 7 11:51:32.819: EIGRP: Sending HELLO on Vl10 - paklen 20 *Oct 7 11:51:32.820: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW1(config-router)# *Oct 7 11:51:37.682: EIGRP: Sending HELLO on Vl10 - paklen 20 *Oct 7 11:51:37.683: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:51:38.289: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.2 *Oct 7 11:51:38.290: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 *Oct 7 11:51:38.291: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 172.16.10.2 (Vlan10) is up: new adjacency SW1(config-router)# *Oct 7 11:51:38.296: EIGRP: Sending HELLO on Vl10 - paklen 30 *Oct 7 11:51:38.297: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/1 *Oct 7 11:51:38.314: EIGRP: Received HELLO on Vl10 - paklen 30 nbr 172.16.10.2 *Oct 7 11:51:38.315: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/1 SW1(config-router)# *Oct 7 11:51:43.319: EIGRP: Received HELLO on Vl10 - paklen 30 nbr 172.16.10.2 *Oct 7 11:51:43.320: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 *Oct 7 11:51:43.471: EIGRP: Sending HELLO on Vl10 - paklen 30 *Oct 7 11:51:43.472: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW1(config-router)# *Oct 7 11:51:47.759: EIGRP: Received HELLO on Vl10 - paklen 30 nbr 172.16.10.2 *Oct 7 11:51:47.760: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 *Oct 7 11:51:47.909: EIGRP: Sending HELLO on Vl10 - paklen 30 *Oct 7 11:51:47.909: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW1(config-router)# *Oct 7 11:51:52.403: EIGRP: Sending HELLO on Vl10 - paklen 30 *Oct 7 11:51:52.404: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:51:52.560: EIGRP: Received HELLO on Vl10 - paklen 30 nbr 172.16.10.2 *Oct 7 11:51:52.561: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 SW1(config-router)# *Oct 7 11:51:56.942: EIGRP: Received HELLO on Vl10 - paklen 30 nbr 172.16.10.2 *Oct 7 11:51:56.943: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 *Oct 7 11:51:57.041: EIGRP: Sending HELLO on Vl10 - paklen 30 *Oct 7 11:51:57.042: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
SW2(config-router)# *Oct 7 11:50:50.450: EIGRP: Sending HELLO on Vl10 - paklen 20 *Oct 7 11:50:50.451: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW2(config-router)# *Oct 7 11:50:51.737: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.1 *Oct 7 11:50:51.737: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 SW2(config-router)# *Oct 7 11:50:53.564: EIGRP: Sending HELLO on Vl70 - paklen 20 *Oct 7 11:50:53.565: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:50:53.880: EIGRP: Sending HELLO on Vl60 - paklen 20 *Oct 7 11:50:53.881: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:50:54.377: EIGRP: Sending HELLO on Vl50 - paklen 20 *Oct 7 11:50:54.377: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW2(config-router)#no passi *Oct 7 11:50:54.748: EIGRP: Sending HELLO on Vl10 - paklen 20 *Oct 7 11:50:54.748: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW2(config-router)#no passive-interface v *Oct 7 11:50:56.596: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.1 *Oct 7 11:50:56.598: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0la SW2(config-router)#no passive-interface vlan 10 SW2(config-router)# *Oct 7 11:50:58.319: EIGRP: Sending HELLO on Vl70 - paklen 20 *Oct 7 11:50:58.320: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:50:58.334: EIGRP: Sending HELLO on Vl60 - paklen 20 *Oct 7 11:50:58.334: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:50:59.178: EIGRP: Sending HELLO on Vl10 - paklen 20 *Oct 7 11:50:59.178: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:50:59.268: EIGRP: Sending HELLO on Vl50 - paklen 20 *Oct 7 11:50:59.269: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW2(config-router)# *Oct 7 11:51:01.593: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.1 *Oct 7 11:51:01.594: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 SW2(config-router)# *Oct 7 11:51:02.879: EIGRP: Sending HELLO on Vl70 - paklen 20 *Oct 7 11:51:02.880: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:51:02.982: EIGRP: Sending HELLO on Vl60 - paklen 20 *Oct 7 11:51:02.982: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:51:03.585: EIGRP: Sending HELLO on Vl50 - paklen 20 *Oct 7 11:51:03.586: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW2(config-router)# *Oct 7 11:51:04.169: EIGRP: Sending HELLO on Vl10 - paklen 20 *Oct 7 11:51:04.169: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:51:05.102: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.1 *Oct 7 11:51:05.104: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 *Oct 7 11:51:05.105: Interface PEER-TERMINATION received SW2(config-router)# *Oct 7 11:51:05.106: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 172.16.10.1 (Vlan10) is down: Interface PEER-TERMINATION received SW2(config-router)#passi SW2(config-router)#passive-interface d *Oct 7 11:51:07.481: EIGRP: Sending HELLO on Vl60 - paklen 20 *Oct 7 11:51:07.482: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:51:07.763: EIGRP: Sending HELLO on Vl70 - paklen 20 *Oct 7 11:51:07.763: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0ef SW2(config-router)#passive-interface defau SW2(config-router)#passive-interface default SW2(config-router)# *Oct 7 11:51:08.554: EIGRP: Sending HELLO on Vl50 - paklen 20 *Oct 7 11:51:08.555: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:51:09.156: EIGRP: Sending HELLO on Vl10 - paklen 20 *Oct 7 11:51:09.156: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW2(config-router)#no passi SW2(config-router)#no passive-interface vlan 10 SW2(config-router)# *Oct 7 11:51:38.302: EIGRP: Sending HELLO on Vl10 - paklen 20 *Oct 7 11:51:38.302: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:51:38.316: EIGRP: Received HELLO on Vl10 - paklen 30 nbr 172.16.10.1 *Oct 7 11:51:38.318: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 *Oct 7 11:51:38.322: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 172.16.10.1 (Vlan10) is up: new adjacency SW2(config-router)# *Oct 7 11:51:38.329: EIGRP: Sending HELLO on Vl10 - paklen 30 *Oct 7 11:51:38.330: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 1/0 iidbQ un/rely 0/1 SW2(config-router)# *Oct 7 11:51:43.382: EIGRP: Sending HELLO on Vl10 - paklen 30 *Oct 7 11:51:43.382: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:51:43.567: EIGRP: Received HELLO on Vl10 - paklen 30 nbr 172.16.10.1 *Oct 7 11:51:43.568: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 SW2(config-router)# *Oct 7 11:51:47.760: EIGRP: Sending HELLO on Vl10 - paklen 30 *Oct 7 11:51:47.760: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:51:47.947: EIGRP: Received HELLO on Vl10 - paklen 30 nbr 172.16.10.1 *Oct 7 11:51:47.948: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 SW2(config-router)# *Oct 7 11:51:52.470: EIGRP: Received HELLO on Vl10 - paklen 30 nbr 172.16.10.1 *Oct 7 11:51:52.471: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 *Oct 7 11:51:52.596: EIGRP: Sending HELLO on Vl10 - paklen 30 *Oct 7 11:51:52.597: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW2(config-router)# *Oct 7 11:51:57.010: EIGRP: Sending HELLO on Vl10 - paklen 30 *Oct 7 11:51:57.011: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:51:57.123: EIGRP: Received HELLO on Vl10 - paklen 30 nbr 172.16.10.1 *Oct 7 11:51:57.123: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 SW2(config-router)# *Oct 7 11:52:01.486: EIGRP: Sending HELLO on Vl10 - paklen 30 *Oct 7 11:52:01.487: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:52:01.540: EIGRP: Received HELLO on Vl10 - paklen 30 nbr 172.16.10.1 *Oct 7 11:52:01.541: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 SW2(config-router)# *Oct 7 11:52:06.099: EIGRP: Sending HELLO on Vl10 - paklen 20 *Oct 7 11:52:06.100: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 *Oct 7 11:52:06.195: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.1 *Oct 7 11:52:06.196: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 SW2(config-router)# *Oct 7 11:52:11.033: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.1 *Oct 7 11:52:11.034: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 *Oct 7 11:52:11.072: EIGRP: Sending HELLO on Vl10 - paklen 20 *Oct 7 11:52:11.072: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0
SW1(config-router)#do u all All possible debugging has been turned off SW1(config-router)# *Oct 7 11:53:44.462: EIGRP: Sending HELLO on Vl10 - paklen 20 *Oct 7 11:53:44.462: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 SW1(config-router)#^Z SW1# *Oct 7 11:53:58.015: %SYS-5-CONFIG_I: Configured from console by console SW1#
SW2(config-router)#do u all All possible debugging has been turned off SW2(config-router)# *Oct 7 11:53:49.061: EIGRP: Received HELLO on Vl10 - paklen 20 nbr 172.16.10.1 *Oct 7 11:53:49.061: AS 1, Flags 0x0:(NULL), Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 SW2(config-router)#^Z SW2# *Oct 7 11:53:59.577: %SYS-5-CONFIG_I: Configured from console by console SW2#
SW1#sh ip protocols | b eigrp
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.16.40.1
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
Automatic Summarization: disabled
Maximum path: 4
Routing for Networks:
172.16.10.1/32
172.16.20.1/32
172.16.30.1/32
172.16.40.1/32
Passive Interface(s):
Vlan20
Vlan30
Vlan40
Routing Information Sources:
Gateway Distance Last Update
172.16.10.2 90 00:03:53
Distance: internal 90 external 170
SW1#sh ip ro
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 11 subnets, 2 masks
C 172.16.10.0/24 is directly connected, Vlan10
L 172.16.10.1/32 is directly connected, Vlan10
C 172.16.20.0/24 is directly connected, Vlan20
L 172.16.20.1/32 is directly connected, Vlan20
C 172.16.30.0/24 is directly connected, Vlan30
L 172.16.30.1/32 is directly connected, Vlan30
C 172.16.40.0/24 is directly connected, Vlan40
L 172.16.40.1/32 is directly connected, Vlan40
D 172.16.50.0/24 [90/3072] via 172.16.10.2, 00:05:48, Vlan10
D 172.16.60.0/24 [90/3072] via 172.16.10.2, 00:05:48, Vlan10
D 172.16.70.0/24 [90/3072] via 172.16.10.2, 00:05:48, Vlan10
SW2#sh ip protocols | b eigrp
Routing Protocol is "eigrp 1"
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP-IPv4 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: 172.16.70.2
Topology : 0 (base)
Active Timer: 3 min
Distance: internal 90 external 170
Maximum path: 4
Maximum hopcount 100
Maximum metric variance 1
Automatic Summarization: disabled
Maximum path: 4
Routing for Networks:
172.16.10.2/32
172.16.50.2/32
172.16.60.2/32
172.16.70.2/32
Passive Interface(s):
Vlan50
Vlan60
Vlan70
Routing Information Sources:
Gateway Distance Last Update
172.16.10.1 90 00:04:04
Distance: internal 90 external 170
SW2#sh ip ro
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 11 subnets, 2 masks
C 172.16.10.0/24 is directly connected, Vlan10
L 172.16.10.2/32 is directly connected, Vlan10
D 172.16.20.0/24 [90/3072] via 172.16.10.1, 00:05:51, Vlan10
D 172.16.30.0/24 [90/3072] via 172.16.10.1, 00:05:51, Vlan10
D 172.16.40.0/24 [90/3072] via 172.16.10.1, 00:05:51, Vlan10
C 172.16.50.0/24 is directly connected, Vlan50
L 172.16.50.2/32 is directly connected, Vlan50
C 172.16.60.0/24 is directly connected, Vlan60
L 172.16.60.2/32 is directly connected, Vlan60
C 172.16.70.0/24 is directly connected, Vlan70
L 172.16.70.2/32 is directly connected, Vlan70
PC-1> ping 172.16.70.106 172.16.70.106 icmp_seq=1 timeout 172.16.70.106 icmp_seq=2 timeout 172.16.70.106 icmp_seq=3 timeout 172.16.70.106 icmp_seq=4 timeout 172.16.70.106 icmp_seq=5 timeout PC-1> ping 172.16.70.2 84 bytes from 172.16.70.2 icmp_seq=1 ttl=254 time=16.046 ms 84 bytes from 172.16.70.2 icmp_seq=2 ttl=254 time=16.329 ms ^C
ping failing to PC-6. But ping to SW2 Vlan70 SVI address successful.
Reloading PC-6, ping successful.
This behavior may be a mixed bug caused by GNS3 environment, IOSvL2, and VPC.
PC-1> ping 172.16.70.106 84 bytes from 172.16.70.106 icmp_seq=1 ttl=62 time=13.932 ms 172.16.70.106 icmp_seq=2 timeout 172.16.70.106 icmp_seq=3 timeout 84 bytes from 172.16.70.106 icmp_seq=4 ttl=62 time=20.193 ms 84 bytes from 172.16.70.106 icmp_seq=5 ttl=62 time=15.717 ms PC-1> ping 172.16.70.106 84 bytes from 172.16.70.106 icmp_seq=1 ttl=62 time=15.988 ms 84 bytes from 172.16.70.106 icmp_seq=2 ttl=62 time=8.190 ms 84 bytes from 172.16.70.106 icmp_seq=3 ttl=62 time=11.418 ms 84 bytes from 172.16.70.106 icmp_seq=4 ttl=62 time=15.598 ms 84 bytes from 172.16.70.106 icmp_seq=5 ttl=62 time=5.921 ms
Verified passive-interface default configuration.
distribute-list
How Does the Passive Interface Feature Work in EIGRP? - Cisco
I can't understand this command needs situation…
- R1
en conf t ! hostname R1 no ip domain-lookup line console 0 exec-timeout 0 0 logging synchronous ! int gig0/0 ip address 172.16.1.1 255.255.255.0 no shut exit int gig0/1 ip address 172.16.2.1 255.255.255.0 no shut exit ! end wr
- R2
en conf t ! hostname R2 no ip domain-lookup line console 0 exec-timeout 0 0 logging synchronous ! int gig0/0 ip address 172.16.2.2 255.255.255.0 no shut exit int gig0/1 ip address 172.17.1.2 255.255.255.0 no shut exit ! end wr
- R3
en conf t ! hostname R3 no ip domain-lookup line console 0 exec-timeout 0 0 logging synchronous ! int gig0/0 ip address 172.17.1.3 255.255.255.0 no shut exit int gig0/1 ip address 172.17.2.3 255.255.255.0 no shut exit ! end wr
- PC1
ip 172.16.1.101 255.255.255.0 172.16.1.1 save
- PC2
ip 172.17.2.102 255.255.255.0 172.17.2.3 save
- R1
en conf t ! ! EIGRP Configuration router eigrp 1 network 172.16.1.1 0.0.0.0 network 172.16.2.1 0.0.0.0 exit ! end
- R2
en conf t ! ! EIGRP Configuration router eigrp 1 network 172.16.2.2 0.0.0.0 network 172.17.1.2 0.0.0.0 exit ! end
- R3
en conf t ! ! EIGRP Configuration router eigrp 1 network 172.17.1.3 0.0.0.0 network 172.17.2.3 0.0.0.0 ! end
debug ip eigrp
- R1
conf t ! access-list 1 deny any ! router eigrp 1 distribute-list 1 out gig0/1 exit ! end
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#router eigrp 1
R1(config-router)#exit
R1(config)#acce
R1(config)#access-list 1 den
R1(config)#access-list 1 deny any
R1(config)#access-list 1 deny any any
R1(config)#access-list 1 deny any any
Translating "any"
^
% Invalid input detected at '^' marker.
R1(config)#access-list 1 deny any ?
log Log matches against this entry
<cr>
R1(config)#access-list 1 deny ?
Hostname or A.B.C.D Address to match
any Any source host
host A single host address
R1(config)#access-list 1 deny an
R1(config)#access-list 1 deny any
R1(config)#router
R1(config)#router eigrp 1
R1(config-router)#distri
R1(config-router)#distribute-list 1 o
R1(config-router)#distribute-list 1 out gig0/1
R1(config-router)#
*Oct 7 11:09:43.207: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 172.16.2.2 (GigabitEthernet0/1) is resync: intf route configuration changed
R2# *Oct 7 11:09:43.332: %DUAL-5-NBRCHANGE: EIGRP-IPv4 1: Neighbor 172.16.2.1 (GigabitEthernet0/0) is resync: peer graceful-restart R2#
R1(config-router)#^Z R1#sh *Oct 7 11:10:27.035: %SYS-5-CONFIG_I: Configured from console by console R1#sh run | s eigrp router eigrp 1 distribute-list 1 out GigabitEthernet0/1 network 172.16.1.1 0.0.0.0 network 172.16.2.1 0.0.0.0 R1#sh run | i access-list 1 access-list 1 deny any
EIGRP-IPv4 Neighbors for AS(1)
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
0 172.16.2.2 Gi0/1 10 00:20:27 190 1140 0 9
R1#sh ip ro
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 4 subnets, 2 masks
C 172.16.1.0/24 is directly connected, GigabitEthernet0/0
L 172.16.1.1/32 is directly connected, GigabitEthernet0/0
C 172.16.2.0/24 is directly connected, GigabitEthernet0/1
L 172.16.2.1/32 is directly connected, GigabitEthernet0/1
172.17.0.0/24 is subnetted, 2 subnets
D 172.17.1.0 [90/3072] via 172.16.2.2, 00:21:01, GigabitEthernet0/1
D 172.17.2.0 [90/3328] via 172.16.2.2, 00:20:57, GigabitEthernet0/1
R1#sh ip eigrp topology
EIGRP-IPv4 Topology Table for AS(1)/ID(172.16.2.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 172.16.2.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/1
P 172.17.2.0/24, 1 successors, FD is 3328
via 172.16.2.2 (3328/3072), GigabitEthernet0/1
P 172.16.1.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/0
P 172.17.1.0/24, 1 successors, FD is 3072
via 172.16.2.2 (3072/2816), GigabitEthernet0/1
R2#sh ip eigrp neighbors
EIGRP-IPv4 Neighbors for AS(1)
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
1 172.16.2.1 Gi0/0 14 00:20:34 409 2454 0 6
0 172.17.1.3 Gi0/1 10 00:20:34 171 1026 0 5
R2#sh ip ro
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C 172.16.2.0/24 is directly connected, GigabitEthernet0/0
L 172.16.2.2/32 is directly connected, GigabitEthernet0/0
172.17.0.0/16 is variably subnetted, 3 subnets, 2 masks
C 172.17.1.0/24 is directly connected, GigabitEthernet0/1
L 172.17.1.2/32 is directly connected, GigabitEthernet0/1
D 172.17.2.0/24 [90/3072] via 172.17.1.3, 00:21:04, GigabitEthernet0/1
R2#sh ip eigrp topology
EIGRP-IPv4 Topology Table for AS(1)/ID(172.17.1.2)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 172.16.2.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/0
P 172.17.2.0/24, 1 successors, FD is 3072
via 172.17.1.3 (3072/2816), GigabitEthernet0/1
P 172.17.1.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/1
R3#sh ip
*Oct 7 11:12:09.528: %SYS-5-CONFIG_I: Configured from console by console
R3#sh ip eigr
R3#sh ip eigrp nei
R3#sh ip eigrp neighbors
EIGRP-IPv4 Neighbors for AS(1)
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
0 172.17.1.2 Gi0/0 12 00:20:40 174 1044 0 8
R3#sh ip ro
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/24 is subnetted, 1 subnets
D 172.16.2.0 [90/3072] via 172.17.1.2, 00:21:08, GigabitEthernet0/0
172.17.0.0/16 is variably subnetted, 4 subnets, 2 masks
C 172.17.1.0/24 is directly connected, GigabitEthernet0/0
L 172.17.1.3/32 is directly connected, GigabitEthernet0/0
C 172.17.2.0/24 is directly connected, GigabitEthernet0/1
L 172.17.2.3/32 is directly connected, GigabitEthernet0/1
R3#sh ip eigrp topology
EIGRP-IPv4 Topology Table for AS(1)/ID(172.17.2.3)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
P 172.16.2.0/24, 1 successors, FD is 3072
via 172.17.1.2 (3072/2816), GigabitEthernet0/0
P 172.17.2.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/1
P 172.17.1.0/24, 1 successors, FD is 2816
via Connected, GigabitEthernet0/0
sure, ping failed, because R2, R3 don't know the route to 172.16.1.0/24.
PC-1> ping 172.17.2.102 172.17.2.102 icmp_seq=1 timeout 172.17.2.102 icmp_seq=2 timeout 172.17.2.102 icmp_seq=3 timeout 172.17.2.102 icmp_seq=4 timeout 172.17.2.102 icmp_seq=5 timeout
References
tech/network/cisco/eigrp/eigrp/eigrp-basic/eigrp-basic.txt · Last modified: 2018/10/07 21:11 by wnoguchi
