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The Status for IPv6: Practice Implementations we have looked at are broken in some way FreeBSD says: “if RAO in packet, deliver to local stack regardless of any other criteria” In practice, a packet with RAO will be dropped by the router with protocol/port unreachable Observed in the lab, and in the wild (we think) This breaks RSVPv6 Linux says: “if there is any local module for RAO’d packets, deliver all RAO’d packets to it” This puts a strong burden on the module to forward packets it doesn’t care about Need special care if there are several modules using RAO independently Also get the packet twice at the end system (probably violates 2711) Observed in the lab |