From: Donny MATEO (donny.mateo@sg.ca-indosuez.com)
Date: Mon Dec 02 2002 - 03:48:31 GMT-3
Hi Groups
I have a problem.
suppose the following architecture.
rtrA rtrB
| |
|----------- sw1------ |
I have a static NAT for host behind sw1. But I want it to be redundant on both router, since the
leased line is on rtrA and the ISDN backup is in router B.
Normally I would define both FE/E interface on RTRA and RTRB as a nat inside and the serial
interface on rtrA plus the ISDN interface on rtrB as the nat outside interface.
The problem is I got a duplicate IP address message after I did the static mapping. I suppose this
is normal, as both rtrA and rtrB will announce that they have a host of the same IP address.
rtrA
int e0
ip nat inside
int s0
ip nat outside
ip nat inside source static 1.1.1.1 2.2.2.2
rtrB
int e0
ip nat inside
int s0
ip nat outside
ip nat inside source static 1.1.1.1 2.2.2.2
How do I resolve this duplicate address problem ?
Donny
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