North American Network Operators Group|
Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical
Re: Level(3) filtering (was Yahoo outage summary)
On Mon, 9 Jul 2007, Kevin Epperson wrote: > > There is some misinformation in previous posts that I would like to > clarify on the Level 3 side of things. > and I'd apologize for hinting that that might be the problem :( > Level 3's own registry and known public route registries. As several > folks have pointed out there are minimal checks for the validity of the > source information. this was what bit panix/edison I believe... :( > > As an aside I see an increase in the number of downstreams asking for > as-path filtering or *no* filtering usually with justifications of ISP X > doesn't require us to register routes or just does as-path filtering. In > my opinion that is bad news for everyone as documented in numerous > BCPs, presentations and route-leaks. agreed, there is this trend, it's disturbing :( (to me atleast) In the number of customer conversations I've had about this it's always sort of surprising that people think it's 'ok' to not have a prefix-list :( cause, guess what: "if you don't have one and they don't have one... THEY will get you eventually"