On 05/31/2016 11:22 AM, William Herrin wrote: >> I'm not sure if you mean that, if sent through C it should have the >> source addres of A, or that it should actually be sent through A >> regardless of the routing table (which sounds better to me). > > That doesn't make sense. There may be multiple next hops out A. If the > next hop in the FIB is out C, how would the router pick the next hop > to send to out A?
Back to the physical address that sent the TTL-offending packet. > Anyway, Randy's comment was about source address selection, not > routing. With the packet coming from S into interface A, he'd prefer > that the ICMP error message be sourced from the IP address assigned to > A, not the IP address assigned to C or R. Thanks.
