[AusNOG] Urgent Optus BGP Communities Information

[Stavros Patiniotis]

Hi Chris,

 

Late last year we put in a request to Optus for this feature (RTBH). We got
a response back today saying that Optus can support it. The catch though is
the fee to activate it - which will be left to your imagination. no your
wildest imagination.

 

 

From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Chris
Chaundy
Sent: Friday, 11 April 2014 6:17 PM
To: Beeson, Ayden
Cc: ausnog at ausnog.net
Subject: Re: [AusNOG] Urgent Optus BGP Communities Information

 

I have the Evolve FAQ and my interpretation of the community above is that
routes advertised *to* customers are tagged with the community to indicate
the source, but tagging routes advertised *from* customers to Optus with the
community will have no policy impact whatsoever.

In general, all the 7474:1xxx communities are used for atgging this way
(7474:14xx for international route origins and 7474:12xx for domestic route
origins).  The only customer-applied communities that can influence policy
appear to be 7474:21xx which block advertisement to their various domestic
peers along with the standard RFC1998 local-preference settings.  There do
not appear to be any communities to block international advertisement (this
would have helped with some recent configuration I was doing if there was!).
Whilst on the topic, I wish that they supported RTBH like most of the Tier 1
providers do (and Telstra also don't...).

Sorry but the news is not good.  All you can really do is AS path stack, but
then that may/will distort other traffic flows as well.

 

 

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