Hi all, > > Loose mode RPF will essentially drop traffic received on the interface if the > router does not have any route for. (will not match a default or a discard > route, at least in IOS-XR) > > As Bill has pointed out, this may drop traffic from some peering networks that > are not in the global routing table. Though one could argue that if a packet > needs to be fragged it's typically closer to the edges rather than the > transit/peering links. >
No one has mentioned it , but you can also use an acl combined with urpf. You could even go so far as permiting everything and just using urpf for rtbh purposes. Brian
