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Thread Index Re: AW: [isp-bgp] Supported community list for AS3349 and AS174?
AS3349 didn't seem to have their communities published.
From RADB ( whois -h whois.radb.net as174 ):
Community Support Definitions for Customers
+
1. Communities controlling Cogents internal use of
customer routes by means of local preference:
+
All customer routes announced to Cogent will
receive a default local preference of 130.
+
community set local effect
preference
174:10 10 below everything, least prefered
174:70 70 below peers
174:120 120 below customer default
174:125 125 below customer default
174:135 135 above customer default
174:140 140 above customer default
+
2. Communities controlling Cogents further distribution
and announcement of customer routes:
+
community effect
174:975 set local preference to 10 in NA
174:985 set local preference to 10 in EU
174:990 do not send route to BGP customers or peers
174:991 do not send route to peers
+
3. Communities controlling Cogents AS path prepending
for customer routes on egress:
+
community effect
174:3000 do not announce
174:3001 prepend 174 1 time
174:3002 prepend 174 2 times
174:3003 prepend 174 3 times
+
4. Communities tagging the source of routes
+
community description
174:21000 peer route, learned in NA
174:21001 internal or customer route, learned in NA
174:21100 peer route, learned in EU
174:21101 internal or customer route, learned in EU
--end--
On Sun, 20 Mar 2005, John van Oppen wrote:
>
> Anyone know the communities allowed for AS3491 (BTN Access/ Beyond the network)? I have a reseller of them that allows me to pass communities directly through and I want to change my local-pref in their network.
>
> John :)
>
> -----Ursprüngliche Nachricht-----
> Von: Charles Gucker [mailto:cgucker@...]
> Gesendet: Friday, March 18, 2005 3:43 PM
> An: isp-bgp@isp-bgp.com
> Betreff: Re: [isp-bgp] Supported community list for AS3349 and AS174?
>
> On Fri, 18 Mar 2005 18:16:51 -0500, Charles Gucker <cgucker@...> wrote:
> > On Fri, 18 Mar 2005 17:04:14 -0600, Pete Templin <petelists@...> wrote:
> > > David Hubbard wrote:
> > >
> > > > Anyone know off hand of the supported communities
> > > > GBLX and Cogent will allow you to send for engineering
> > > > purposes? Level 3 gives you the complete list via whois
> > > > but can't find something similar for the other two.
> > >
> > > A little googling and I found this for GBLX:
> > > https://robin.gblx.net/GBLX_Customer_BGP_Communities.html#utilization
> > > (you'll need to accept the certificate and cancel out of the user/pass
> > > dialog several times, but it'll come up fine).
> >
> > > Can't find anything easily for Cogent though...
>
> Ok, I've been able to track down the Customer Guide for Cogent and cut
> out the related part for us here.
>
> You can find the ones I've collected so far at:
>
> http://www.onesc.net/communities
>
> If anybody knows of community guides, or updated guides, please let me
> know and I'll update it.
>
> thanks,
> charles
>
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