On Monday 16 July 2012 21:11:18 you wrote: > The disadvantage to this is the high probability of packet duplication. For > someone worried about ICMP spam on the subnet, I'm surprised you're not > worried about what happens when 2 or more routers copy the same packet > and route both copies on to the end destination. (Lather, rinse, repeat said > duplication for any upstream segments using such tactics as well). >
No. The all-routers anycast address is resolved and creates a single Layer 2 neighbor entry - it may change, but there's no packet duplication issue here because routing of an individual packet will only ever go to a single host at L2, There is a difference between Multicast and Anycast. Regards, Oliver
