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Anybody hear of a Cisco BGP bug?

S

spidey07

No Lifer
Was working with AT&T and the engineering manager said something about a bug that is causing all sorts of problems. Didn't have the specific bug ID though.

apparently it is very new (the bug) and I don't know what version they are using in their core (wouldn't tell me)

The symptoms are dropped packets between various source/destination address pairs - even if they are from teh same src/dst networks. Meaning it isn't a routing problem, but a forwarding/CEF problem.

I mean there are bugs all the time, but this sounds serious.
 
Haven't heard, but I'm kinda mystified. Wish they had told you what software version... any idea what Cisco gear they have in their core?
 
I think they are mainly 12k and some 7600s.

It may even be affecting the edge. Don't know. Basically packet loss between src/dst pairs.
 
I have not heard of anything releated to BGP and CEF. That is not to say there is not one though.

Edit: Was this a newly discovered bug?
 
I believe so. Can't find anything about it though so I could be off base.

I think it has something to do with CEF and MPLS (which relies on bgp) while running multiple VRFs.
 
Originally posted by: spidey07
I believe so. Can't find anything about it though so I could be off base.

I think it has something to do with CEF and MPLS (which relies on bgp) while running multiple VRFs.
Click to expand...

Spidey,
This what you looking for?

 
spidey07, there is a recent IOSng bug having to do with MPLS, maybe that's what they're talking about.

Didn't think AT&T was dumb^H^H^H^Hleading-edge enough to deploy ng boxes in their core.
 
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