Re: [nsp] IOS train for multicast

From: Pete Kruckenberg (pete@kruckenberg.com)
Date: Sat Apr 13 2002 - 20:04:02 EDT


On 12.0.19-S1, we ran into a bug with IGMP packets getting
stuck in a POS queue, and running up the CPU utilization to
100% over a few weeks.

On 12.0.21-S1 (fixed the 19-S1 bug), we ran into a bug last
week where a the wrong mixture of "ip mroute cache
distributed", MTU over 1500 and ACLs sends conflicting flags
to the line cards (GigE and POS) and causes every multicast
route to be pruned. I don't think a bug ID has been created
for this one yet.

Pete.

On Sat, 13 Apr 2002, Gert Doering wrote:

> Date: Sat, 13 Apr 2002 20:36:46 +0200
> From: Gert Doering <gert@greenie.muc.de>
> To: Pete Kruckenberg <pete@kruckenberg.com>, cisco-nsp@puck.nether.net
> Subject: Re: [nsp] IOS train for multicast
>
> Hi,
>
> On Sat, Apr 13, 2002 at 10:47:49AM -0600, Pete Kruckenberg wrote:
> > I have been a semi-satisfied customer of the the 12.0S
> > (12.0.16-S3, 12.0.19-S1, 12.0.21-S1) IOS train. However,
> > during the last 3 weeks I have come across two bugs related
> > to multicast that have required upgrades (waiting for the
> > patch to 21-S1 right now).
>
> We run PIM-SM/MSDP/MBGP with various 12.0S releases, and no major issues.
>
> What bug have you run into?
>
> gert
>



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