[c-nsp] FE ignored errors

[Jon Lewis]

On Mon, 20 Dec 2004, Rodney Dunn wrote:

> I've never actually done that test in the lab.  I can tell you
> I've never worked on a problem where it did turn out to be a large
> BGP udpate causing the ignores.  But there is a first time for anything.

So far, it looks like things are a little better with the nachi PBR
removed.  I'll do the same thing with our slammer/DOS ACLs next.

> It would make sense that the VIP would spend it's time updating it's
> forwarding table rather than swtiching packets on what could be bad
> forwarding information.

All paths might be bad.  It's got to just forward packets using the FIB
it has.

> I could see it for a major update when a peer flaps but I wouldn't
> think you would see that for normal BGP route churn on the backbone.

We actually had some flapping today due to a bad OC3 card on one of our
providers' end...but there were no errors during the flaps.  That's very
strange, because the other night, I was able to cause thousands on demand
just by flapping a peer (coincidentally, the one that was flapping today).

----------------------------------------------------------------------
 Jon Lewis                   |  I route
 Senior Network Engineer     |  therefore you are
 Atlantic Net                |
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