RE: anycasting behind different ASNs?

["James Jun" <james () towardex com>]

> 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