[AusNOG] BGP query

[Joseph Burford]

7545 is AS Path prepending to the PIPE Transit AS, but not to the PIPE
Sydney Peering AS.

You could influence your outbound route to 7545 via configuration if you
wanted to.

Cheers,

Joseph





On 10/06/14 10:00 AM, "Alex Samad - Yieldbroker"
<Alex.Samad at yieldbroker.com> wrote:

>Hi
>
>I noticed something strange on the weekend with my BGP setup. Thought I
>would ask the group if it looks strange to.
>
>So at work we peer with Internode and Pipe.  My home connection is with
>TPG.
>I noticed on the weekend my traffic was routing asymmetrically
>
>My home -> TPG -> Work
>Work -> Internode -> My home
>
>Found this rather strange as I thought PIPE -> TPG would be the preferred
>path.  So I dug into my BGP peers and looked at the tables
>
>
>What I found was rather strange from internode I had this AS path
>4739,18398,7545, from Pipe I have this AS path 24130,7545,7545,7545, so
>for some reason TPG is AS stuffing (? Right term ? ) their prefix to Pipe.
>
>That's rather strange I think.  I don't want to have to mess too much
>with my BGP filters to do to any trick things, I believe I would re
>weight it such that TPG via pipe is the preference, but I wonder why TPG
>would do this.
>
>I did contact the NOC @ Pipe.. As far as they are concerned every things
>okay.  Let me paraphrase... 1 company 2 businesses
>
>
>I am not sure why TPG would want to do that ?
>
>A
>
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