rfc 1812 third party address on traceroute

Randy Bush randy at psg.com
Thu Jun 2 04:39:54 UTC 2016


>>                .-----------------.
>>                |                 |
>>                |               B |--------- D
>>     S ---------| A      R        |
>>                |               C |--------- (toward S)
>>                |                 |
>>                `-----------------'
>> 
>> of course, simpletons such as i would desire the source of the time
>> exceeded message to be A.  after all, this is the interface to which i
>> sent the icmp with the TTL to expire.
> 
> Do you mean the source address or the source interface?

the source address

> 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).

not to me.  i have kinda grown used to fibs

randy



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