mailing list archives
Re: Level 3 BGP Advertisements
From: Andy Davidson <andy () nosignal org>
Date: Wed, 29 Aug 2012 20:39:18 +0100
On 29 Aug 2012, at 20:28, Nick Olsen <nick () flhsi com> wrote:
In practice, We've always advertised our space all the way down to /24's
but also the aggregate block (the /20 or the /21). Just so there was still
reachability to our network in the event that someone made the foolish
mistake of filtering lets say prefixes smaller /23...
Filtering your de-aggregated prefixes in the presence of covering aggregates in this case would certainly not be
Please, unless you really know why you need to do otherwise, just originate your aggregates.
Every other Autonomous System