Re: traceroute

From: Bhaskar Sivanesan (bas_bharath@yahoo.com)
Date: Sun Jul 01 2007 - 16:24:41 ART

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Thanks Antonio, which will be the "ip nat inside" interface in this case.

cheers

----- Original Message ----
From: Antonio Soares <amsoares@netcabo.pt>
To: Bhaskar Sivanesan <bas_bharath@yahoo.com>; ccie forum <ccielab@groupstudy.com>
Sent: Sunday, July 1, 2007 8:19:13 PM
Subject: RE: traceroute

The answer is NAT:

Example config:

!
access-list 102 permit icmp any any port-unreachable
access-list 102 permit icmp any any ttl-exceeded
!
ip nat inside source list 102 interface Loopback0 overload
!
!
interface Ethernet1/0
ip nat outside
!

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Bhaskar Sivanesan
Sent: domingo, 1 de Julho de 2007 19:58
To: ccie forum
Subject: traceroute

Hi group

How do we change the source IP address in the ICMP TTL exceeded reply
messages.

Like, when I am doing a traceroute, I want the reply to be sourced from the
respective router's loopback ip address rather than the interface address?

is there any way to do it?

thanks

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