[77481] in North American Network Operators' Group
RE: Please Check Filters - BOGON Filtering IP Space 72.14.128.0/19
daemon@ATHENA.MIT.EDU (Hank Nussbacher)
Fri Jan 21 02:04:38 2005
Date: Fri, 21 Jan 2005 09:01:13 +0200 (IST)
From: Hank Nussbacher <hank@mail.iucc.ac.il>
To: James Laszko <james@pcipros.com>
Cc: Hank Nussbacher <hank@mail.iucc.ac.il>, nanog@merit.edu
In-Reply-To: <01EB7C28E9DF0B4FBD67D44A32F7428309535E@sandcaexch01.pcipros.net>
Errors-To: owner-nanog-outgoing@merit.edu
On Thu, 20 Jan 2005, James Laszko wrote:
> Well, if the router CAN run BGP, the feed from Cymru is only about 84
> prefixes - not a lot of memory tied up there, is there?
I am *not* talking about the leaf - rather the core. I am curious what
resources are needed to manage 200K BGP peers other than 200K IP
addresses. Is there an IOS limit on the number of BGP peers? Memory?
-Hank
>
> If the router isn't capable of BGP, someone earlier today was kind
> enough to post a script that they use to find changes to one of the
> BOGON lists and suggested an Expect script to automatically update their
> router. Probably a little advanced for most leaf sites, but for someone
> who's responsible for a larger network -- doesn't seem that bad.
>
>
>
> James Laszko
> Pipeline Communications, Inc.
> james@pcipros.com
>
>
> -----Original Message-----
> From: Hank Nussbacher [mailto:hank@mail.iucc.ac.il]
> Sent: Thursday, January 20, 2005 10:51 PM
> To: James Laszko
> Cc: nanog@merit.edu
> Subject: RE: Please Check Filters - BOGON Filtering IP Space
> 72.14.128.0/19
>
> On Thu, 20 Jan 2005, James Laszko wrote:
>
> > sort of mechanism. If they're not going to use something like the
> Cymru
> > BOGON BGP feed they should build their own and should have configured
> > their managed routers to query that from the beginning. As more
>
> How would this scale for say 200K routers? 2M? -Hank
>
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