[65214] in North American Network Operators' Group

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RE: BGP questions

daemon@ATHENA.MIT.EDU (Pete Templin)
Sat Nov 15 17:36:40 2003

Date: Sat, 15 Nov 2003 16:35:56 -0600
From: "Pete Templin" <pete.templin@texlink.com>
To: "Charles Sprickman" <spork@inch.com>, <nanog@merit.edu>
Errors-To: owner-nanog-outgoing@merit.edu


If it's anything like what some of my downstreams have encountered, =
you'll want to explore the options to set communities on your outbound =
announcements to 6939 and/or 3356.  Most likely, as 3356 announces your =
routes to its peers, those peers are assigning a peer-level local =
preference.  Meanwhile, as 6939 announces your routes to their =
upstreams, those networks are using a default or "paid customer" local =
preference.  Since local preference comes before AS path length, you =
have to remotely twiddle local preference to get results.

HTH,

Pete Templin
Senior Staff Engineer
TexLink Communications
(210) 892-4183
pete.templin@texlink.com


-----Original Message-----
From: Charles Sprickman [mailto:spork@inch.com]
Sent: Saturday, November 15, 2003 3:02 PM
To: nanog@merit.edu
Subject: OT: BGP questions


Hi,

Where's the best place these days to ask some "simple" BGP questions?  I
don't want to bother *-nsp@puck, but inet-access scares me.  Any
suggestions?  I'm good with the basics, but I've got a perplexing issue
(just look at AS8059, which is still sucking down most traffic via 6939
rather than 3356, even with all that silly prepending)...

Thanks,

Charles

--
Charles Sprickman
spork@inch.com

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