[c-nsp] MPLS dies permanently after low mem condition

[Rodney Dunn]

Did you re-enable CEF?

If CEF gets disabled MPLS forwarding halts.

Rodney

On Fri, Dec 01, 2006 at 12:33:17PM +0100, Garry wrote:
> Hi,
> 
> we just recently had another issue on a 7206 VXR (12.0(25)S1) we had 
> encountered before some very long time ago ... after a low-memory 
> condition, the router ceases forwarding MPLS-tagged packets, with now 
> appearent way of recovery except reboot ... I tried shutting down MPLS 
> on all links (FE/POS) by "no mpls ip", tried shutting down links 
> completely, to no avail.
> 
> On MPLS level, I noticed that a traceroute inside the MPLS backbone 
> would list that router as not using MPLS anymore, contrary to the 
> "usual" output ...
> 
> Is this a known issue of this (ancient) IOS? Apart from this issue, we 
> have not had any problems with the router, happily enjoying a well over 
> 1yr uptime (surviving even PA-changes without any ill behavior), so I'm 
> a bit hesitant to actual change this IOS ...
> 
> Thanks, -gg
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/