[61232] in North American Network Operators' Group
Re: Lazy Engineers and Viable Excuses
daemon@ATHENA.MIT.EDU (Jared Mauch)
Tue Aug 26 11:52:18 2003
Date: Tue, 26 Aug 2003 11:48:40 -0400
From: Jared Mauch <jared@puck.Nether.net>
To: Matt Levine <matt@deliver3.com>
Cc: "Stephen J. Wilcox" <steve@telecomplete.co.uk>,
Leo Bicknell <bicknell@ufp.org>, NANOG <nanog@merit.edu>
In-Reply-To: <0E75A6FC-D7DA-11D7-867B-000A957CE6A0@deliver3.com>
Errors-To: owner-nanog-outgoing@merit.edu
On Tue, Aug 26, 2003 at 11:29:17AM -0400, Matt Levine wrote:
> In a real world scenario, I bumped into Verio's RPF peer filters
> yesterday.
>
> Due to the large outage at 200 paul, the /19 that one of my /24's is
> out of went away. Obviously due to prefix filtering policies, verio
> didn't have my /24. I had several people complain who were multihomed,
> and did have the /24 from their other carrier(s). Unfortunately, my
> best path to these customers was via verio, who's rpf promptly blocked
> my return traffic :(
Speaking about this specific issue, since there was no return
path in our RIB/FIB, we dropped the packets, yes. If you were annoucing
the /19 or something that fit our filtering policy (in your
alternate locations) you would not have had issues.
- Jared
--
Jared Mauch | pgp key available via finger from jared@puck.nether.net
clue++; | http://puck.nether.net/~jared/ My statements are only mine.
