[c-nsp] bgp, new network not showing up?

Bruce Pinsky bep at whack.org
Fri Sep 23 01:49:03 EDT 2005


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Shaun wrote:
> I received a new allocation from arin, a /22 and today i went to add it to 
> my 3750.
> 
> I did the following....
> 
> router bgp xxxxxx
>  network 204.xxx.132.0 mask 255.255.252.0
> 
> ip prefix-list routes_to_upstream seq 10 permit 204.xxx.132.0/22 le 32
> 
> when i do a sh ip bgp i dont see the /22.  I though maybe it was because the 
> space had not been carved up and assigned to anything yet so i assigned a 
> /29 from it to a vlan.  Still doesnt show up.
> 
> Any idea whats going on here?
> 
> router bgp xxxxx
>  no synchronization
>  bgp log-neighbor-changes
>  network 204.xxx.36.0 mask 255.255.252.0
>  network 204.xxx.132.0 mask 255.255.252.0
>  neighbor xxxxxxx peer-group
>  neighbor xxxxxxx remote-as xxxx
>  neighbor xxxxxxx update-source FastEthernet1/0/1
>  neighbor xxxxxxx send-community
>  neighbor xxxxxxx soft-reconfiguration inbound
>  neighbor xxxxxxx prefix-list default_only in
>  neighbor xxxxxxx prefix-list routes_to_upstream out
>  neighbor 216.xxx.174.17 peer-group xxxxxxx
>  neighbor 216.xxx.174.18 peer-group xxxxxxx
>  no auto-summary
> !
> ip classless
> ip route 204.xxx.36.0 255.255.252.0 Null0


Is there a route to the 204.xxx.132.0 in the routing table?  For your
existing network, you have static route to null0 for the summary.  You
probably need to do the same for this one.

=========
bep

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