[AusNOG] BGP query

[Matt Perkins]

Path Stuffing. Gold! I well and truly stuffed our Pipe path a few months 
back ;)

Matt.

On 10/06/14 10:41 AM, Nathan Brookfield wrote:
> TPG want to influence traffic to traverse via Transit links which are 
> more expensive than via Peering exchanges (even there own).
>
> It's a silly network strategy and only hurts there own customers but 
> at the same time increases the amount of bandwidth required by PIPE 
> Transit customers which equals more revenue :(
>
> PS I love path stuffing but the term technically is path prepending.
>
> Kindest Regards,
> Nathan Brookfield
>
> Chief Executive Officer
> Simtronic Technologies Pty Ltd
>
> Web: http://simtronic.com.au
> Phone: 1300 592 330
> Fax: (02) 4749 4950
>
> On 10 Jun 2014, at 10:31, "Alex Samad - Yieldbroker" 
> <Alex.Samad at yieldbroker.com <mailto: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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-- 
/* Matt Perkins
         Direct 1300 137 379     Spectrum Networks Ptd. Ltd.
         Office 1300 133 299     matt at spectrum.com.au
         Fax    1300 133 255     Level 6, 350 George Street Sydney 2000
         SIP 1300137379 at sip.spectrum.com.au
         PGP/GNUPG Public Key can be found at  http://pgp.mit.edu
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