On 29 Aug 2012, at 20:28, Nick Olsen <n...@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 foolish. :-) Please, unless you really know why you need to do otherwise, just originate your aggregates. Your friends, Every other Autonomous System