[c-nsp] setting source address for icmp messages

Tassos Chatzithomaoglou achatz at forthnet.gr
Mon Feb 9 04:10:33 EST 2009


I believe that with a little bit of local PBR and NAT magic and it can be done.
I'm sure i've done it in the past for traceroute "time-exceeded/port-unreachable" local 
generated massages.

But, i don't know if it's worth the hassle.

-- 
Tassos

Oliver Boehmer (oboehmer) wrote on 09/02/2009 09:27:
> Mike <> wrote on Monday, February 09, 2009 00:28:
> 
>> No.
>>
>> I am trying to ensure that if the router ever emits icmp messages like
>> 'destination host unreachable', 'icmp frag needed' and the like, that
>> I'm using a public routed ip and not some random flavor of the week ip
>> related to whatever interface the router thinks is closer to the
>> problem. 
> 
> I don't think this can be done..
> 
> 	oli
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