[c-nsp] BGP routes disappearing

[Hank Nussbacher]

On 10/06/2024 11:05, Hank Nussbacher wrote:

Ignore.  There was an ACL on GigabitEthernet0/0/0/43.1  that blocked the 
traffic.
Nothing like solving your own issues.

-Hank

> I have a simple iBGP peer defined as follows:
>
>  neighbor 128.139.197.146
>   remote-as 378
>   update-source Loopback0
>   address-family ipv4 unicast
>
>
> I have a GigE interface defined as:
>
> interface GigabitEthernet0/0/0/43.1
>  ipv4 address 192.0.2.1 255.255.255.0
>  encapsulation dot1q 1
>
> This iBGP peer feeds me /32s with nexthop set as 192.0.2.1/32. Problem 
> is all routes disappear.
>
> Neighbor        Spk    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  
> St/PfxRcd
> 128.139.197.146   0   378   10437  627880 10060119    0    0 
> 00:15:41          0
>
>
> If the feed sets the IP to 192.0.2.2 then the BGP routes appear in the 
> routing table.  If I then change the IP address on interface 
> GigabitEthernet0/0/0/43.1 to 192.0.2.2 then the routes disappear as 
> well after having made it into the routing table.
>
>
> I am obviously missing something very simple.  Clue-bat welcome.
>
>
> Thanks,
>
> Hank
>
>
>