On 06/04/2013 11:54, Sander Steffann wrote: > Hi, > >> To be explicit, using a link local completely breaks traceroute, >> since ICMP replies sourced from a link local address must be >> discarded by the next hop, according to RFC 4291 section 2.5.6. > > IIRC the router will reply from the loopback address when the interface > doesn't have a global address, right?
I don't know about "will" because this seems implementation dependent. I have seen reports of traceroutes containing link-locals, which can only happen if some routers are forwarding packets against the standard. I think it's all a bit murky. Brian
