From: Divin Mathew John (divinjohn@gmail.com)
Date: Sat Mar 28 2009 - 15:35:28 ART
But my guess that since u have specified the Inside Interface as e0
and outside interface as e1. i guess traffic coming in from e0 go out
thru e1 using an address pool address! so..the ospf hellos are
generated from within the router R2.. i guess it doesn't get NATed.!
see yeah the inside interface Block of ip address are the Address
which get translated.! correct me if i am wrong.!
Thanking You
Yours Sincerely
Divin Mathew John
divinjohn@gmail.com
divin@dide3d.com
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On Sat, Mar 28, 2009 at 6:30 PM, jeremy co <jeremy.cool14@gmail.com> wrote:
> R1----------------e0/0--R2--e0/1-------------R3
>
>
> R1 has a default route to R2
> R2 and R3 run ospf
>
> ** do not advertise NAT pool addresses as a route to R3
>
>
> NAT statement on R2
>
> access-list 100 deny ospf any any
>
> access-list 100 permit any any
> ip ant inside source list 100 pool NAT
> ip nat pool NAT 150.0.100.1 150.0.100.254
>
>
>
> e0/0 ----> ip nat inside
> e0/1 ----> ip nat outside
>
>
> But what is interesting here?
>
>
> - if u let time goes on R2 will be adjacent with R3
> - if u ping R3 interface ,NAT process will translate e0/1 to your NAT
> pool!!!
>
> Basically with a broad statement like ACL 100 inside address as well as
> local R2 addresses will translate to NAT pool
> However, interesting behavior of R2 is taht if u let time goes on R2 will be
> adjacent with R3 with its original e0/1 address not translated address!!!
>
> Any idea why this is happened ?
>
>
> Jeremy
>
>
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