[49575] in North American Network Operators' Group
Re: BGP Pollution
daemon@ATHENA.MIT.EDU (Stephen J. Wilcox)
Fri Jul 5 04:35:24 2002
Date: Fri, 5 Jul 2002 09:33:12 +0100 (BST)
From: "Stephen J. Wilcox" <steve@opaltelecom.co.uk>
To: Pascal Gloor <pascal.gloor@spale.com>
Cc: pr@isprime.com, nanog@merit.edu
In-Reply-To: <002901c223f0$82dd4e60$14510fc3@spalehome>
Errors-To: owner-nanog-outgoing@merit.edu
filter bogon, long prefixes, long as-path ingress and egress!
and dont say "we do already" as clearly the routes are still coming thro!
Steve
On Fri, 5 Jul 2002, Pascal Gloor wrote:
>
> >
> > Network Next Hop Metric LocPrf Weight Path
> > *>i203.168.78.0 66.230.128.97 40 100 0 2914 6453
> > 4755 4755 4755 4755 4755 4755 17632 17632 17632 17632 17632 17632 17632
> > 17632 17632 17632 17632 i
> > *>i217.220.42.0 66.230.128.97 40 100 0 2914 1239
> > 1267 21164 21164 21164 21164 21164 21164 21164 21164 21164 21164 21164
> > 21164 21164 21164 21164 21164 21164 21164 21164 21164 21164 21164 21164
> > 21164 21164 I
> >
> > Is there any possible excuse for such ugly looking as-paths?
> > (these are the worst offenders, but there are plenty more that are still
> > really bad...)
>
> some more?
>
> I see 32 /32, 1 /31 and 164 /30 !!!!
> Source, SwiNOG RouteViewer.
>
> http://tools.swinog.ch/wwwbin/compare-bgp?type=mask&mask=32
> http://tools.swinog.ch/wwwbin/compare-bgp?type=mask&mask=31
> http://tools.swinog.ch/wwwbin/compare-bgp?type=mask&mask=30
>
> We all think /29 in BGP is kinda bad, but first of all lets get rid of the
> /32 /31 and /30 ;-P
>
>
