Re: [nsp] 7500 tag switching bugs

From: Zaheer Aziz (zaziz@cisco.com)
Date: Tue Aug 07 2001 - 19:43:00 EDT


At 05:44 PM 8/7/2001 -0400, jlewis@lewis.org wrote:
>I've run into a problem with a 7500 (RSP4 with VIP2-50s) apparently eating
>icmp ttl exceeded packets if tag-switching is turned on (to support MPLS
>VPN traffic transitting the router).

This is probably during the traceroute reply. Does that happen at LSR (P)
or at ELSR(PE).
A small diag with exact problem description would help more

Thanks
Zaheer

> It's currently running
>rsp-k3pv-mz.120-11.S3.bin. I haven't had much luck searching for similar
>bugs in bugnavigator. Has anyone else run into this and found a version
>that fixes it? Anyone tried 12.0.xST? I'm going to have to support
>termination of MPLS VPNs on this router sooner or later.
>
>--
>----------------------------------------------------------------------
> Jon Lewis *jlewis@lewis.org*| I route
> System Administrator | therefore you are
> Atlantic Net |
>_________ http://www.lewis.org/~jlewis/pgp for PGP public key_________



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