[c-nsp] bgp wierdness

James Jun james at towardex.com
Wed Nov 22 20:26:07 EST 2006


Can you show us more information: 'show ip bgp x.x.x.x' where x.x.x.x is the
affected prefix not existent in master RIB routing table.  There are many
reasons a RIB-failure may occur before we even get to bugs stage :)

james

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of matt carter
> Sent: Wednesday, November 22, 2006 5:00 PM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] bgp wierdness
> 
> hi all,
> 
> im presuming ive hit some kind of wierd issue here, i did a bgp session
> reset this morning as part of some planned work on an edge router and when
> the bgp sessions came back everything appeared normal routes were being
> passed on correctly show ip bgp looked just fine, provider looking glasses
> are fine, everything is a-ok, or so it would seem.. however, show ip route
> bgp shows that not a single bgp learned route has been installed into the
> routing table??
> 
> obviously this has caused major grief because bgp is saying over here over
> here and then when the router actually gets the packets it cant forward
> them
> anywhere.
> 
> resetting the bgp peer didnt resolve it, nor did removing the bgp peer
> config and re-adding it, i ended up having to remove the entire router bgp
> process statement from the conf. when i repaste the conf back in just as
> it
> was before everything works just fine.
> 
> more cisco bugware? ;)
> 
> platform is 7301 w/ 12.4(10)
> 
> --matt
> 
> 
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