06-03-2024 02:04 AM
HI,
I have started to learn BGP. While failover scenario not working.
Working scenario
When trying to ping PC-1 to PC-2 its reachable.
Non- Working scenario
when i shutdown the interface R3 to R1. Not reachable PC-1 to PC-2.
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Below ae my topology and configuration. All 4 router running BGP.
R1
router bgp 1
no synchronization
bgp router-id 1.1.1.1
bgp log-neighbor-changes
network 172.19.12.0 mask 255.255.255.0
neighbor 10.10.10.2 remote-as 2
neighbor 10.10.10.10 remote-as 1
no auto-summary
LAN interface
interface FastEthernet1/0
no switchport
ip address 172.19.12.1 255.255.255.0
standby 10 ip 172.19.12.3
standby 10 priority 110
R2
router bgp 1
no synchronization
bgp router-id 2.2.2.2
bgp log-neighbor-changes
network 172.19.12.0 mask 255.255.255.0
neighbor 10.10.10.6 remote-as 2
neighbor 10.10.10.9 remote-as 1
no auto-summary
LAN interface
interface FastEthernet1/0
no switchport
ip address 172.19.12.2 255.255.255.0
standby 10 ip 172.19.12.3
R3
router bgp 2
no synchronization
bgp router-id 3.3.3.3
bgp log-neighbor-changes
network 172.24.11.0 mask 255.255.255.0
neighbor 10.10.10.1 remote-as 1
neighbor 10.10.10.14 remote-as 2
no auto-summary
LAN interface
interface FastEthernet1/0
no switchport
ip address 172.24.11.1 255.255.255.0
standby 10 ip 172.24.11.3
standby 10 priority 110
R4
router bgp 2
no synchronization
bgp router-id 4.4.4.4
bgp log-neighbor-changes
network 172.24.11.0 mask 255.255.255.0
neighbor 10.10.10.5 remote-as 1
neighbor 10.10.10.13 remote-as 2
no auto-summary
LAN interface
interface FastEthernet1/0
no switchport
ip address 172.24.11.2 255.255.255.0
standby 10 ip 172.24.11.3
Kindly suggest
Solved! Go to Solution.
06-03-2024 02:46 AM
You config only need
Next-hop-self between two ibgp router
That it
MHM
06-03-2024 02:46 AM
You config only need
Next-hop-self between two ibgp router
That it
MHM
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