From: Derek Pocoroba (dpocoroba@gmail.com)
Date: Sun Jul 01 2007 - 16:55:21 ART
I believe you also need to use PBR so the ICMP replies are sent to the loop
interface. From there they will get NATd to the loop ip address.
-Derek
On 7/1/07, Mike Kraus (mikraus) <mikraus@cisco.com> wrote:
>
> I just tried this, source is still physical... Tried just doing ip nat
> enable (with NVI) to see if router would magically figure it out too,
> but to no avail.
>
> Have you gotten this to work?
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Antonio Soares
> Sent: Sunday, July 01, 2007 2:30 PM
> To: 'Bhaskar Sivanesan'; 'ccie forum'
> Subject: RE: traceroute
>
> None since the traffic is sourced from the router itself.
>
> _____
>
> From: Bhaskar Sivanesan [mailto:bas_bharath@yahoo.com]
> Sent: domingo, 1 de Julho de 2007 20:25
> To: Antonio Soares; ccie forum
> Subject: Re: traceroute
>
>
> 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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