OSPF vs IS-IS vs PrivateAS eBGP

Ivan Pepelnjak ip at ioshints.info
Fri Aug 21 01:07:17 CDT 2009


> Configure eBGP from your edge to the client edge using 
> private-AS. Since I already have copy/paste templates (thanks 
> to RANCID), I make it a habit to ensure filters are at both 
> ends. Goes without saying that
> BCP-38 is followed, and strict is deployed everywhere possible.
> 
> peer-group and regexes are handy.

If you're starting from scratch, use peer templates, they are slightly more
versatile than the peer groups and allow (limited) inheritance.

Ivan
 
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