[c-nsp] CEF fun in SXF

[Gert Doering]

Hi,

On Tue, Apr 25, 2006 at 08:37:07AM +0200, Jerome Covini wrote:
> >Hmmm.  Now this is interesting - TAC was quite helpful on our issue
> >("shutdown a VLAN interface, and traffic on other VLANs is getting
> >dropped").  Turns out it was related to uRPF - something in the hardware
> >gets confused, and other interface's traffic is uRPF dropped due to
> >looking up the wrong interface's CEF routes.
>
> Can this happen without  RPF and mls rate limit configured onto vlan 
> interface ?

>From the bug description, it doesn't seem like it - but as we run uRPF
on all customer-facing interfaces (and I strongly urge everbody to do
so as well!!), the point is somewhat moot for us.

gert

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Gert Doering - Munich, Germany                             gert at greenie.muc.de
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