[32180] in North American Network Operators' Group
Re: 11/11/00 Internet Routing Problems
daemon@ATHENA.MIT.EDU (John Fraizer)
Mon Nov 13 18:18:55 2000
Date: Mon, 13 Nov 2000 15:48:18 -0500 (EST)
From: John Fraizer <nanog@EnterZone.Net>
To: Randy Bush <randy@psg.com>
Cc: Steve Gibbard <scg@gibbard.org>, nanog@nanog.org
In-Reply-To: <E13vQKF-000FeR-00@rip.psg.com>
Message-ID: <Pine.LNX.4.21.0011131543470.14090-100000@Overkill.EnterZone.Net>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Errors-To: owner-nanog-outgoing@merit.edu
On Mon, 13 Nov 2000, Randy Bush wrote:
> > How hard is it to type:
> > "show ip bgp neighbor N.N.N.N advertised-routes"
> > ...and verify that you're not leaking crap like that whenever you make a
> > change? Isn't that one of the questions on the Clue++ exam?
>
> in this case, i suspect the sequence was
> o customer asks to have prefix length filter lengthened
> o change is made
> o routing is checked and looks ok
> o engineer goes on holiday
> o days later, customer's customer starts to leak garbage
>
> imiho, so much for relaxing route filters
>
> randy
>
We'll relax filters for accepting announcements from customers but as for
passing them to the global internet, that's a different story. We filter
at the /24 boundry, period, the end on announcements to peers. Doesn't
everybody? If not, why would you want to propagate more specific than /24
globally?
---
John Fraizer
EnterZone, Inc
