[AusNOG] dual home - set one carrier to secondary with AS prepend - not working
Ibrahim at amanah.net.au
Mon Dec 21 15:13:15 EST 2015
Have you tried using communities instead?
Sent from Mars
> On 21 Dec 2015, at 13:27, Mitchell, Peter <Peter.Mitchell at santos.com> wrote:
> Hi All,
> First time post, so I hope this is the appropriate query for this list.
> I'm trying to steer incoming traffic to our 3 x /24 networks via Testra as primary carrier. On secondary link (nextgen) we use multiple AS path prepend on the BGP configuration.
> Outgoing routing is fine, however incoming we still have substantial amount of traffic come in secondary link. (approx. 50%)
> Telstra think they are advertising correctly to internet and other carriers are overriding the advertisements based on commercial reasons.
> Nextgen doesn't think Telstra are advertising correctly domestically.
> Using the looking glass tools, it looks like places like iinet are learning networks only via nextgen.
> Telstra say optus looking glass shows network learnt ok via Telstra.
> Iprimus seems to be the only one that has both, but prefers nextgen advertisement.
> AAPT tracert goes via Telstra.
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