[c-nsp] AS path question.

Tim Durack tdurack at gmail.com
Wed Nov 10 20:07:12 EST 2010


On Wed, Nov 10, 2010 at 6:44 PM, Scott Weeks <surfer at mauigateway.com> wrote:
> Do you think (or is there evidence) that very many ASs use maxas-limit type commands?  I have never used it and never had any problems...

we do "bgp maxas-limit 50" to avoid as-path triggered bugs. Google
around if you want to know why.

> Only if they're longer than a /24, though; yes?  I imagine no one really filters shorter than a /24 these days.

One might be taking full+default and then table-shaving based on
path/prefix-length (drop more specifics that are some AS distance
away.) Some have extended the life of older equipment this way.

-- 
Tim:>



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