Filter based on the AS Path?

If the path is:

You <- 58941 <- 6427 <- 7545

You <- MegaIXSyd <- HE <- TPG

In the Cisco world, I would use

ip as-path access-list 10 deny ^58941_6427_7545$

(The ASN's here may not be exactly what is in use, you will need to check your received prefixes)

On 2018-01-12 09:46, John Alexander wrote:
With this, does anyone know of a way of keeping HE routes, but
excluding a specific one, namely TPG 7545 which is a direct customer
of HE. Traffic from them goes from Syd -> LA -> Syd -> he peering ->
me.  I'd prefer to just make them stay at home so to speak instead of
going around the world.  We don't peer at Pipe which would be the only
other place to connect to tpg.

John

On 01/11/2018 05:55 PM, Nathan Le Nevez wrote:

I assume it was Hurricane Electric...IPv6 routes are now at 21843
too

Nathan

-----Original Message-----
From: AusNOG [mailto:[email protected]] On Behalf Of
Paul Holmanskikh
Sent: Thursday, 11 January 2018 5:00 PM
To: [email protected]
Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of
prefixes

G'day,

Number of prefixes we are receiving from Megaport IX in Sydeney
suddenly jumped to 40493.
At lest 100% grow.  Any ideas what happened.

as_path    count
36351    945
4739    909
9443    658
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