[151197] in North American Network Operators' Group
Re: SNMP monitoring of routing tables
daemon@ATHENA.MIT.EDU (Leo Bicknell)
Tue Mar 13 14:16:42 2012
Date: Tue, 13 Mar 2012 11:15:34 -0700
From: Leo Bicknell <bicknell@ufp.org>
To: nanog@nanog.org
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In a message written on Tue, Mar 13, 2012 at 10:54:08AM -0700, Walter Keen =
wrote:
> Trying to work on an interesting project, where it would be nice to monit=
or the routing table of a collection of routers, store it, and look at it l=
ater, as a snapshot of what the routing table for a particular router looke=
d at a particular time. All the information I'm wanting (route entry, nexth=
op, etc) is available via snmp on the ip-route mib I believe, and needs to =
stay fairly generic, or equipment-agnostic.
>=20
>=20
> Does anyone know of an existing project to do this before I start trying =
to make one?
RIPE's RIS and Route-View's both archive BGP tables and you can download
them and manipulate them. There are several other services that archive
the data, like Renesys, but don't provide raw data downloads.
SNMP is really a non-starter for this work. Too slow, the table changes
out from under you, plus it's hugely inefficient.
--=20
Leo Bicknell - bicknell@ufp.org - CCIE 3440
PGP keys at http://www.ufp.org/~bicknell/
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