R2#conf t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#gig0/2 ^ % Invalid input detected at '^' marker. R2(config)#int gig0/2 R2(config-if)#ip osp R2(config-if)#ip ospf ne R2(config-if)#ip ospf network ? broadcast Specify OSPF broadcast multi-access network non-broadcast Specify OSPF NBMA network point-to-multipoint Specify OSPF point-to-multipoint network point-to-point Specify OSPF point-to-point network R2(config-if)#ip ospf network poi R2(config-if)#ip ospf network point-to-mu R2(config-if)#ip ospf network point-to-multipoint ? non-broadcast Specify non-broadcast point-to-mpoint network <cr> R2(config-if)#ip ospf network point-to-multipoint non-b R2(config-if)#ip ospf network point-to-multipoint non-broadcast *Jan 26 01:23:04.394: %PNP-6-PNP_DISCOVERY_STOPPED: PnP Discovery stopped (Config Wizard) R2(config-if)#end R2#sh ru *Jan 26 01:30:49.849: %SYS-5-CONFIG_I: Configured from console by console R2#sh run all int gig0/2 ^ % Invalid input detected at '^' marker. R2#sh run all | sec int gig0/2 R2#sh run all | sec inter R2#sh run all | sec interface GigabitEthernet 0/2 R2#sh run all | sec interface GigabitEthernet0/2 interface GigabitEthernet0/2 ip address 10.0.3.2 255.255.255.0 ip redirects ip unreachables ip proxy-arp ip mtu 1500 ip pim join-prune-interval 60 ip pim dr-priority 1 ip pim query-interval 30 ip mfib forwarding input ip mfib forwarding output ip mfib cef input ip mfib cef output ip cef accounting non-recursive internal ip load-sharing per-destination ip route-cache cef ip route-cache ip split-horizon ip igmp last-member-query-interval 1000 ip igmp last-member-query-count 2 ip igmp query-max-response-time 10 ip igmp v3-query-max-response-time 10 ip igmp version 2 ip igmp query-interval 60 ip igmp tcn query count 2 ip igmp tcn query interval 10 ip ospf network broadcast ip ospf resync-timeout 40 ip ospf dead-interval 40 ip ospf hello-interval 10 ip ospf priority 1 ip ospf retransmit-interval 5 ip ospf transmit-delay 1 no ip ospf flood-reduction no ip ospf demand-circuit no ip ospf mtu-ignore no ip ospf database-filter all out no ip ospf adjacency stagger ip ospf cost 1 load-interval 300 carrier-delay 2 no shutdown tx-ring-limit 2048 tx-queue-limit 2048 duplex auto speed auto media-type rj45 cdp log mismatch duplex cdp tlv app ipv6 nd reachable-time 0 ipv6 nd ns-interval 0 ipv6 nd dad attempts 1 ipv6 nd dad loopback detect ipv6 nd prefix framed-ipv6-prefix ipv6 nd nud igp no ipv6 nd ra solicited unicast ipv6 nd ra lifetime 1800 ipv6 nd ra interval 200 ipv6 redirects ipv6 unreachables ipv6 mfib forwarding input ipv6 mfib forwarding output ipv6 mfib cef input ipv6 mfib cef output dot1q tunneling ethertype 0x8100 snmp trap link-status mpls mtu 1500 arp arpa arp timeout 14400 clns route-cache ethernet oam max-rate 10 ethernet oam min-rate 1 ethernet oam remote-loopback timeout 2 ethernet oam timeout 5 hold-queue 75 in hold-queue 40 out no bgp-policy accounting input no bgp-policy accounting output no bgp-policy accounting input source no bgp-policy accounting output source no bgp-policy source ip-prec-map no bgp-policy source ip-qos-map no bgp-policy destination ip-prec-map no bgp-policy destination ip-qos-map R2#sh run all | inc ip ospf network ip ospf network broadcast R2#sh run all | sec interface GigabitEthernet0/2 ? LINE <cr> R2#sh run all | sec interface GigabitEthernet0/2 interface GigabitEthernet0/2 ip address 10.0.3.2 255.255.255.0 ip redirects ip unreachables ip proxy-arp ip mtu 1500 ip pim join-prune-interval 60 ip pim dr-priority 1 ip pim query-interval 30 ip mfib forwarding input ip mfib forwarding output ip mfib cef input ip mfib cef output ip cef accounting non-recursive internal ip load-sharing per-destination ip route-cache cef ip route-cache ip split-horizon ip igmp last-member-query-interval 1000 ip igmp last-member-query-count 2 ip igmp query-max-response-time 10 ip igmp v3-query-max-response-time 10 ip igmp version 2 ip igmp query-interval 60 ip igmp tcn query count 2 ip igmp tcn query interval 10 ip ospf network broadcast ip ospf resync-timeout 40 ip ospf dead-interval 40 ip ospf hello-interval 10 ip ospf priority 1 ip ospf retransmit-interval 5 ip ospf transmit-delay 1 no ip ospf flood-reduction no ip ospf demand-circuit no ip ospf mtu-ignore no ip ospf database-filter all out no ip ospf adjacency stagger ip ospf cost 1 load-interval 300 carrier-delay 2 no shutdown tx-ring-limit 2048 tx-queue-limit 2048 duplex auto speed auto media-type rj45 cdp log mismatch duplex cdp tlv app ipv6 nd reachable-time 0 ipv6 nd ns-interval 0 ipv6 nd dad attempts 1 ipv6 nd dad loopback detect ipv6 nd prefix framed-ipv6-prefix ipv6 nd nud igp no ipv6 nd ra solicited unicast ipv6 nd ra lifetime 1800 ipv6 nd ra interval 200 ipv6 redirects ipv6 unreachables ipv6 mfib forwarding input ipv6 mfib forwarding output ipv6 mfib cef input ipv6 mfib cef output dot1q tunneling ethertype 0x8100 snmp trap link-status mpls mtu 1500 arp arpa arp timeout 14400 clns route-cache ethernet oam max-rate 10 ethernet oam min-rate 1 ethernet oam remote-loopback timeout 2 ethernet oam timeout 5 hold-queue 75 in hold-queue 40 out no bgp-policy accounting input no bgp-policy accounting output no bgp-policy accounting input source no bgp-policy accounting output source no bgp-policy source ip-prec-map no bgp-policy source ip-qos-map no bgp-policy destination ip-prec-map no bgp-policy destination ip-qos-map R2#show R2#show ip ospf inter R2#show ip ospf interface Giga R2#show ip ospf interface GigabitEthernet 0/2 GigabitEthernet0/2 is up, line protocol is up Internet Address 10.0.3.2/24, Area 0, Attached via Network Statement Process ID 1, Router ID 2.2.2.2, Network Type BROADCAST, Cost: 1 Topology-MTID Cost Disabled Shutdown Topology Name 0 1 no no Base Transmit Delay is 1 sec, State BDR, Priority 1 Designated Router (ID) 3.3.3.3, Interface address 10.0.3.3 Backup Designated router (ID) 2.2.2.2, Interface address 10.0.3.2 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:05 Supports Link-local Signaling (LLS) Cisco NSF helper support enabled IETF NSF helper support enabled Index 1/1/1, flood queue length 0 Next 0x0(0)/0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 3.3.3.3 (Designated Router) Suppress hello for 0 neighbor(s) R2#conf t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int gig0/2 R2(config-if)#ip ospf netwo R2(config-if)#ip ospf network bro R2(config-if)#ip ospf network broadcast R2(config-if)#exit R2(config)#rotuer ospf ? % Unrecognized command R2(config)#router ospf ? <1-65535> Process ID R2(config)#router ospf 1 R2(config-router)#neigh R2(config-router)#neighbor ? A.B.C.D Neighbor address R2(config-router)#exit R2(config)#int gig0/2 R2(config-if)#ip osp R2(config-if)#ip ospf ne R2(config-if)#ip ospf network nonb R2(config-if)#ip ospf network non-br R2(config-if)#ip ospf network non-broadcast R2(config-if)# *Jan 26 01:43:59.979: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on GigabitEthernet0/2 from FULL to DOWN, Neighbor Down: Interface down or detached R2(config-if)#do sh ip ospf neighbor R2(config-if)#nei R2(config-if)#neigh R2(config-if)#neighbor R2(config-if)#exit R2(config)#rotuer ospf 1 ^ % Invalid input detected at '^' marker. R2(config)#router ospf 1 R2(config-router)#do sh ip ospf int gig0/2 GigabitEthernet0/2 is up, line protocol is up Internet Address 10.0.3.2/24, Area 0, Attached via Network Statement Process ID 1, Router ID 2.2.2.2, Network Type NON_BROADCAST, Cost: 1 Topology-MTID Cost Disabled Shutdown Topology Name 0 1 no no Base Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 2.2.2.2, Interface address 10.0.3.2 No backup designated router on this network Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:17 Supports Link-local Signaling (LLS) Cisco NSF helper support enabled IETF NSF helper support enabled Index 1/1/1, flood queue length 0 Next 0x0(0)/0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 0, Adjacent neighbor count is 0 Suppress hello for 0 neighbor(s) R2(config-router)#do ping 10.0.3.3 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 10.0.3.3, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 3/5/11 ms R2(config-router)#neigh R2(config-router)#neighbor 10.0.3.3 pri R2(config-router)#neighbor 10.0.3.3 priority ? <0-255> Priority R2(config-router)#neighbor 10.0.3.3 priority 255 ? cost OSPF cost for point-to-multipoint neighbor database-filter Filter OSPF LSA during synchronization and flooding for point-to-multipoint neighbor poll-interval OSPF dead-router polling interval of non-broadcast neighbor <cr> R2(config-router)#neighbor 10.0.3.3 priority 255 co R2(config-router)#neighbor 10.0.3.3 priority 255 cost ? <1-65535> metric R2(config-router)#neighbor 10.0.3.3 priority 255 da R2(config-router)#neighbor 10.0.3.3 priority 255 database-filter ? all Filter all LSA R2(config-router)#neighbor 10.0.3.3 priority 255 database-filter al R2(config-router)#neighbor 10.0.3.3 R2(config-router)#int gig0/2 R2(config-if)# *Jan 26 01:53:25.769: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on GigabitEthernet0/2 from LOADING to FULL, Loading Done R2(config-if)#do sh ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 3.3.3.3 1 FULL/DR 00:01:47 10.0.3.3 GigabitEthernet0/2 R2(config-if)#do sh ip ospf int gig0/2 GigabitEthernet0/2 is up, line protocol is up Internet Address 10.0.3.2/24, Area 0, Attached via Network Statement Process ID 1, Router ID 2.2.2.2, Network Type NON_BROADCAST, Cost: 1 Topology-MTID Cost Disabled Shutdown Topology Name 0 1 no no Base Transmit Delay is 1 sec, State BDR, Priority 1 Designated Router (ID) 3.3.3.3, Interface address 10.0.3.3 Backup Designated router (ID) 2.2.2.2, Interface address 10.0.3.2 Flush timer for old DR LSA due in 00:01:33 Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:25 Supports Link-local Signaling (LLS) Cisco NSF helper support enabled IETF NSF helper support enabled Index 1/1/1, flood queue length 0 Next 0x0(0)/0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 1 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 3.3.3.3 (Designated Router) Suppress hello for 0 neighbor(s) R2(config-if)#ip os R2(config-if)#ip ospf pri R2(config-if)#ip ospf priority 255 R2(config-if)#do sh ip ospf int gig0/2 GigabitEthernet0/2 is up, line protocol is up Internet Address 10.0.3.2/24, Area 0, Attached via Network Statement Process ID 1, Router ID 2.2.2.2, Network Type NON_BROADCAST, Cost: 1 Topology-MTID Cost Disabled Shutdown Topology Name 0 1 no no Base Transmit Delay is 1 sec, State DR, Priority 255 Designated Router (ID) 2.2.2.2, Interface address 10.0.3.2 No backup designated router on this network Old designated Router (ID) 3.3.3.3, Interface address 10.0.3.3 Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:13 Supports Link-local Signaling (LLS) Cisco NSF helper support enabled IETF NSF helper support enabled Index 1/1/1, flood queue length 0 Next 0x0(0)/0x0(0)/0x0(0) Last flood scan length is 1, maximum is 2 Last flood scan time is 1 msec, maximum is 1 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 3.3.3.3 Suppress hello for 0 neighbor(s) R2(config-if)#do ping 10.10.5.5 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 10.10.5.5, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 5/6/8 ms R2(config-if)#do sh run int gig0/2 Building configuration... Current configuration : 166 bytes ! interface GigabitEthernet0/2 ip address 10.0.3.2 255.255.255.0 ip ospf network non-broadcast ip ospf priority 255 duplex auto speed auto media-type rj45 end R2(config-if)#
R3#conf t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#int gig0/1 R3(config-if)#ip osp R3(config-if)#ip ospf net R3(config-if)#ip ospf network no R3(config-if)#ip ospf network non-broadcast R3(config-if)#end R3# *Jan 26 01:44:16.488: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on GigabitEthernet0/1 from FULL to DOWN, Neighbor Down: Interface down or detached R3# *Jan 26 01:44:17.881: %SYS-5-CONFIG_I: Configured from console by consolesh R3#sh ip os R3#sh ip ospf inter R3#sh ip ospf interface *Jan 26 01:44:21.625: %PNP-6-PNP_DISCOVERY_STOPPED: PnP Discovery stopped (Config Wizard) R3#sh ip ospf interface gig0/1 GigabitEthernet0/1 is up, line protocol is up Internet Address 10.0.3.3/24, Area 0, Attached via Network Statement Process ID 1, Router ID 3.3.3.3, Network Type NON_BROADCAST, Cost: 1 Topology-MTID Cost Disabled Shutdown Topology Name 0 1 no no Base Transmit Delay is 1 sec, State WAITING, Priority 1 No designated router on this network No backup designated router on this network Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:20 Wait time before Designated router selection 00:01:51 Supports Link-local Signaling (LLS) Cisco NSF helper support enabled IETF NSF helper support enabled Index 1/1/1, flood queue length 0 Next 0x0(0)/0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 1 msec, maximum is 3 msec Neighbor Count is 0, Adjacent neighbor count is 0 Suppress hello for 0 neighbor(s) R3#sh ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:34 10.10.4.4 GigabitEthernet0/2 R3#cofn t ^ % Invalid input detected at '^' marker. R3#conf t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf pro R3(config)#router ospf 1 R3(config-router)# *Jan 26 01:53:11.780: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on GigabitEthernet0/1 from LOADING to FULL, Loading Done R3(config-router)#do sh ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 1 FULL/BDR 00:01:45 10.0.3.2 GigabitEthernet0/1 4.4.4.4 1 FULL/DR 00:00:38 10.10.4.4 GigabitEthernet0/2 R3(config-router)#do sh ip ospf int gig0/1 GigabitEthernet0/1 is up, line protocol is up Internet Address 10.0.3.3/24, Area 0, Attached via Network Statement Process ID 1, Router ID 3.3.3.3, Network Type NON_BROADCAST, Cost: 1 Topology-MTID Cost Disabled Shutdown Topology Name 0 1 no no Base Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 3.3.3.3, Interface address 10.0.3.3 Backup Designated router (ID) 2.2.2.2, Interface address 10.0.3.2 Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:07 Supports Link-local Signaling (LLS) Cisco NSF helper support enabled IETF NSF helper support enabled Index 1/1/1, flood queue length 0 Next 0x0(0)/0x0(0)/0x0(0) Last flood scan length is 0, maximum is 1 Last flood scan time is 0 msec, maximum is 3 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 2.2.2.2 (Backup Designated Router) Suppress hello for 0 neighbor(s) R3(config-router)#int gig0/1 R3(config-if)#ip os R3(config-if)#ip ospf pri R3(config-if)#ip ospf priority ? <0-255> Priority R3(config-if)#ip ospf priority 0 R3(config-if)#do sh ip ospf int gig0/1 GigabitEthernet0/1 is up, line protocol is up Internet Address 10.0.3.3/24, Area 0, Attached via Network Statement Process ID 1, Router ID 3.3.3.3, Network Type NON_BROADCAST, Cost: 1 Topology-MTID Cost Disabled Shutdown Topology Name 0 1 no no Base Transmit Delay is 1 sec, State DROTHER, Priority 0 Designated Router (ID) 2.2.2.2, Interface address 10.0.3.2 No backup designated router on this network Old designated Router (ID) 3.3.3.3, Interface address 10.0.3.3 Flush timer for old DR LSA due in 00:01:44 Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:17 Supports Link-local Signaling (LLS) Cisco NSF helper support enabled IETF NSF helper support enabled Index 1/1/1, flood queue length 0 Next 0x0(0)/0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 1 msec, maximum is 3 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 2.2.2.2 (Designated Router) Suppress hello for 0 neighbor(s) R3(config-if)#no ip os R3(config-if)#do sh int gig0/1 GigabitEthernet0/1 is up, line protocol is up Hardware is iGbE, address is fa16.3ef9.7291 (bia fa16.3ef9.7291) Internet address is 10.0.3.3/24 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) Auto Duplex, Auto Speed, link type is auto, media type is RJ45 output flow-control is unsupported, input flow-control is unsupported ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:03, output 00:00:08, 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 272 packets input, 39946 bytes, 0 no buffer Received 5 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 R3(config-if)#do sh run int gig0/1 Building configuration... Current configuration : 164 bytes ! interface GigabitEthernet0/1 ip address 10.0.3.3 255.255.255.0 ip ospf network non-broadcast ip ospf priority 0 duplex auto speed auto media-type rj45 end R3(config-if)#no ip osp R3(config-if)#no ip ospf pri R3(config-if)#no ip ospf priority R3(config-if)#do sh run int gig0/1 Building configuration... Current configuration : 144 bytes ! interface GigabitEthernet0/1 ip address 10.0.3.3 255.255.255.0 ip ospf network non-broadcast duplex auto speed auto media-type rj45 end R3(config-if)#do sh ip ospf int gig0/1 GigabitEthernet0/1 is up, line protocol is up Internet Address 10.0.3.3/24, Area 0, Attached via Network Statement Process ID 1, Router ID 3.3.3.3, Network Type NON_BROADCAST, Cost: 1 Topology-MTID Cost Disabled Shutdown Topology Name 0 1 no no Base Transmit Delay is 1 sec, State BDR, Priority 1 Designated Router (ID) 2.2.2.2, Interface address 10.0.3.2 Backup Designated router (ID) 3.3.3.3, Interface address 10.0.3.3 Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:17 Supports Link-local Signaling (LLS) Cisco NSF helper support enabled IETF NSF helper support enabled Index 1/1/1, flood queue length 0 Next 0x0(0)/0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 1 msec, maximum is 3 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 2.2.2.2 (Designated Router) Suppress hello for 0 neighbor(s) R3(config-if)#