[93595] in North American Network Operators' Group
RE: anycasting behind different ASNs?
daemon@ATHENA.MIT.EDU (James Jun)
Wed Dec 6 13:20:31 2006
Reply-To: <james@towardex.com>
From: "James Jun" <james@towardex.com>
To: "'matthew zeier'" <mrz@velvet.org>, <nanog@merit.edu>
Date: Wed, 6 Dec 2006 13:03:17 -0500
In-Reply-To: <45770002.3000307@velvet.org>
Errors-To: owner-nanog@merit.edu
>
> Are there any practical issues with announcing the same route behind
> different ASNs?
No.
>
> Shortly I'll have two seperate sites (EU, US) announcing their own space
> behind their own ASNs but have a desire to anycast a particular network
> out of both locations as well.
>
> (This is just my attempted to now have to deal with GRE tunnels between
> sites that aren't logically connected anyways and using the same ASN).
Check 192.88.99.0/24. It is an anycasted prefix for 6to4 tunneling. No AS
number was assigned for 6to4, thus it has inconsistent AS origin, and works
without any problems.
Regards,
james