Re: NAT Trouble

From: Ed Lui (edwlui@gmail.com)
Date: Tue Jan 25 2005 - 02:09:52 GMT-3


That is all yout NAT config?

Edward

On Mon, 24 Jan 2005 22:46:51 -0500, DW <kapsi1911@hotmail.com> wrote:
> Hello,
>
> I have the following layout:
>
> R5(.5)-------(.2)R2(.2)--------(.4)R4
>
> R5 and R2 share the 150.50.100.0/24 network ("ip nat outside" on R2)
>
> R2 and R4 share the 150.50.24.0/24 network ("ip nat inside" on R2)
>
> I'm trying to get the following to occur:
>
> I want R5 (150.50.100.5) to ping R4 (150.50.24.4) using the ip address
> 150.50.100.8. When R4 receives the ICMP packet it should see that it
> came from a source address of 150.50.24.8. When R5 receives the reply
> the packet should have a source address of 150.50.100.8 (the IP address
> R5 originally sent the ICMP echo request packet to).
>
> R4 and R5 should not see the each other's "real" IP address at any
> point, but should be able to communicate with NAT configured only on R2.
>
> Below is my non-working NAT config on R2:
>
> ip nat inside source static 150.50.24.4 150.50.100.8
> ip nat outside source static 150.50.100.5 150.50.24.8
>
> int serial 0/0
> ip addr 150.50.100.2 255.255.255.0
> ip nat outside
>
> int serial 0/1
> ip addr 150.50.24.2 255.255.255.0
> ip nat inside
>
> Thanks,
> Dave
>
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