[AusNOG] International link issue

[Ramsay, Paul]

Yes, this reinforces the Rule of Trust. Don't trust your BGP peers and
ensure your filters are in place, configured correctly and working, you
can't transfer blame.

It can cost you big $$ and pain if you inadvertently turn yourself into
a transit peer because your upstreams may prefer to send traffic where
they can make $$ from.

 

From: ausnog-bounces at lists.ausnog.net
[mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Sean K. Finn
Sent: Thursday, 23 February 2012 5:09 PM
To: 'ausnog at ausnog.net'
Subject: Re: [AusNOG] International link issue

 

It's easy to describe for all the media types watching..

(And I'm not sure why its not being put out there in Laymans terms).

 

>From the routes seen at various points, and reported on the WAIX mailing
list earlier..

 

 

 

Dodo told Telstra that Dodo was the rest of the Internet.

 

Telstra Believed Dodo.

 

Telstra entire system tried to use DODO as their ISP instead of everyone
else Telstra is connected to.

 

Needless to say this didn't work, the pipes got Jammed.

 

Telstra should have filtered the announcement from Dodo, but didn't.

 

Filtering is in place as a form of control (which is used instead of
trust).

 

Filtering obviously wasn't in place, or didn't work, so anything that
Dodo told Telstra about where to find the Internet, Telstra believed.

 

This happens quite often, I've heard of this happening on peering
exchanges within Australia, too. Just never at an organizational level
as big as Telstra.

 

Over and Out.

 


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