lots of prepends

Randy Bush randy at psg.com
Thu Feb 19 16:57:57 CST 2009


> The only ill effect is if set it too low.... we tested it a bit
> at 20-30 AS path length range figuring we shouldn't see *much*
> and it was staggering over time.  The unfortunate thing more
> related to your question is that we found some AS's that were
> prepending 40-50 times to ALL their upstreams so with max-as set
> too low we had no routing to them at all!

aha!  an idiot filter.  this could be a feature, not a bug.

randy




More information about the NANOG mailing list