[c-nsp] 12.2(33)SXI revisited

Peter Rathlev peter at rathlev.dk
Tue Feb 10 09:08:16 EST 2009


On Tue, 2009-02-10 at 12:40 +0000, A.L.M.Buxey at lboro.ac.uk wrote:
...
> Feb 10 12:31:54: SP: Critical error processing rpf ltl index change event (0100.5b07.0076, XXX, 0xBBF)
> 
> hmm. very nice . XXX represents a VLAN number. if done simple
> obfuscation of the MAC and this info just because of policy - however,
> those MACs *do* start with 0100 which is multicast L2 ....so currently
> I've got a feeling that this is a problem with TTL=1 (and being
> dropped - eg ghost or rubbish multicast app) and its hitting the RPF
> MLS  - what say you all?

I don't think it has anything to do with TTL, since that's a L3 thing.
This is the switch processor complaining. It could very well seem
multicast related, considering the "rpf", "oif" and "ltl" TLAs.

Considering the "index change event", could it be related to some
multicast registration of some kind going wrong?

Regards,
Peter



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