[c-nsp] BGP Distribute List

Stephen Kratzer kratzers at pa.net
Mon Nov 17 12:35:23 EST 2008


Probably a mucked up distribute/filter/prefix list. Check 'show ip prefix-list 
detail' and 'show ip access-list'. It's also possible that the peers don't 
support route refresh. Can check this with 'show ip bgp neighbor'.

On Monday 17 November 2008 10:47:31 Mike Louis wrote:
> I have a distribute list setup to reference a prefix list in a bgp
> configuration. However the outbound filtering is not working and I have
> reset bgp connection with soft outbound reset.
>
> Here is the config.
>
> Any ideas why this is not working?
>
> router bgp 100
>  no synchronization
>  bgp log-neighbor-changes
>  network x.x.230.160 mask 255.255.255.252
>  network 172.x.36.0 mask 255.255.254.0
>  network 172.x.253.152 mask 255.255.255.252
>  network 172.x.253.156 mask 255.255.255.252
>  network 172.x.255.0 mask 255.255.255.0
>  neighbor x.x.230.161 remote-as 65000
>  neighbor x.x.230.161 weight 500
>  neighbor x.x.230.161 distribute-list routeout out
>  neighbor 172.x.255.252 remote-as 65535
>  neighbor 172.x.255.252 distribute-list routeout out
>  no auto-summary
>
> I have reset the BGP connections in the outbound with soft reset but still
> no luck. The router is receiving all routes from neighbors and relaying
> them to the other EBGP router.  I am not worried about inbound received
> routes, just outbound filtering based on a specific prefix list.
>
> Any ideas?
>
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