[c-nsp] Possible memory corruption w/ 12.2(18)S11

[Dave Temkin]

SSO and ATM IMA for me.

Any suggestions of where I should go for both of those?




On Tue, 21 Mar 2006, Rodney Dunn wrote:

> Are you saying you have it replicated in the lab?
>
> The OSPF bad checksum just means that OSPF detects
> the packet doesn't have the correct checksum value
> when it runs it over the LSA's in the update.
>
> btw, can you guys list out the feature combinations
> that are requiring you to run 12.2S on the 75xx's?
>
> On Tue, Mar 21, 2006 at 02:06:45PM -0500, Greg Boehnlein wrote:
> > On Tue, 21 Mar 2006, David Coulson wrote:
> >
> > > 12.2(18)S11 on 7507 w/ RSP4.
> > >
> > > We've been seeing this frequently (IP address of source varies)
> > >
> > > Mar 19 07:31:09 core1.clevoh.n2net.net 515: Mar 19 07:31:01:
> > > %OSPF-4-ERRRCV: Received invalid packet: Bad Checksum from
> > > 207.166.192.208, GigabitEthernet4/0/0.100
> > >
> > > If I do a 'memory cache-policy io uncached', it solves the problem,
> > > however it kills the CPU on the router.
> > >
> > > Is this potentially a hardware issue, or an IOS bug? We've moved the
> > > interface to a seperate GEIP (different GEIP, GBIC, fiber, GBIC, switch)
> > > and we get the same problem. We never encountered this on PA-FE or FEIPs.
> > >
> > > Does anyone have any suggestions for troubleshooting this, before I just
> > > go and load 12.2 on to it?
> >
> > As a side note, this has been tested and replicated on a pair of 7507s
> > running Dual RSP-4s w/ the same IOS version. That's two completely
> > independent routers w/ completely different hardware...
> >
> > --
> >     Vice President of N2Net, a New Age Consulting Service, Inc. Company
> >          http://www.n2net.net Where everything clicks into place!
> >                              KP-216-121-ST
> >
> >
> >
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