> > 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
