HI
I have started OSPF process 123 on R1 and R2 and put their directly connected
interfaces plus their loopbcak addresses into Area 0, but I cannot see the R1s
loopback in R2´s routing table, the same applies to R2. Please see the config
on R1 and R2 below!
R1
1#sho ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
200.0.0.2 1 FULL/DR 00:00:31 150.100.12.2
FastEthernet0/0
R1#sho ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
200.0.0.2 1 FULL/DR 00:00:31 150.100.12.2
FastEthernet0/0
R1#sho ip ospf interface fastEthernet 0/0
FastEthernet0/0 is up, line protocol is up
Internet Address 150.100.12.1/24, Area 0
Process ID 123, Router ID 200.0.0.1, Network Type BROADCAST, Cost: 1
Transmit Delay is 1 sec, State BDR, Priority 1
Designated Router (ID) 200.0.0.2, Interface address 150.100.12.2
Backup Designated router (ID) 200.0.0.1, Interface address 150.100.12.1
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
oob-resync timeout 40
Hello due in 00:00:02
Supports Link-local Signaling (LLS)
Index 1/1, flood queue length 0
Next 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 200.0.0.2 (Designated Router)
Suppress hello for 0 neighbor(s)
R1#
R1#sho ip int brie
Interface IP-Address OK? Method Status Prot
ocol
FastEthernet0/0 150.100.12.1 YES NVRAM up up
FastEthernet0/1 100.100.100.1 YES NVRAM up up
Loopback1 200.0.0.1 YES manual up up
R1#sho config
interface Loopback1
ip address 200.0.0.1 255.255.255.0
!
interface FastEthernet0/0
description Link to R2
ip address 150.100.12.1 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
description Link to BB1
ip address 100.100.100.1 255.255.255.0
duplex auto
speed auto
!
router ospf 123
log-adjacency-changes
network 150.100.12.0 0.0.0.255 area 0
network 200.0.0.0 0.0.0.255 area 0
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R1
!
boot-start-marker
boot system flash:c2800nm-adventerprisek9-mz.124-3a.bin
boot-end-marker
!
!
no aaa new-model
!
resource policy
!
memory-size iomem 15
ip subnet-zero
NOW see the configs on R2
R2#sho ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
200.0.0.1 1 FULL/BDR 00:00:09 150.100.12.1
FastEthernet1/0
R2#sho confi
interface Loopback2
ip address 200.0.0.2 255.255.255.0
!
interface FastEthernet1/0
description Ethernet Link to R1
no switchport
ip address 150.100.12.2 255.255.255.0
router ospf 123
log-adjacency-changes
network 20.0.0.0 0.0.0.255 area 0
network 150.100.12.0 0.0.0.255 area 0
R2#sho ip ospf neighbor detail
Neighbor 200.0.0.1, interface address 150.100.12.1
In the area 0 via interface FastEthernet1/0
Neighbor priority is 1, State is FULL, 6 state changes
DR is 150.100.12.2 BDR is 150.100.12.1
Options is 0x52
LLS Options is 0x1 (LR)
Dead timer due in 00:00:38
Neighbor is up for 00:01:41
Index 1/1, retransmission queue length 0, number of retransmission 1
First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0)
Last retransmission scan length is 1, maximum is 1
Last retransmission scan time is 0 msec, maximum is 0 msec
R2#
R2#sho ip ospf interface fastEthernet 1/0
FastEthernet1/0 is up, line protocol is up
Internet Address 150.100.12.2/24, Area 0
Process ID 123, Router ID 200.0.0.2, Network Type BROADCAST, Cost: 1
Transmit Delay is 1 sec, State DR, Priority 1
Designated Router (ID) 200.0.0.2, Interface address 150.100.12.2
Backup Designated router (ID) 200.0.0.1, Interface address 150.100.12.1
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
oob-resync timeout 40
Hello due in 00:00:01
Supports Link-local Signaling (LLS)
Index 1/1, flood queue length 0
Next 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 200.0.0.1 (Backup Designated Router)
Suppress hello for 0 neighbor(s)
I can ping from the directly connected interfaces which in this case is R1s
Fa0/0 and R2s Fa1/0
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