Help with NAT Mapping please
I've set up what I thought was a NAT mapping on my 1721 to ensure that all
outbound traffic on port 25 presents itself as coming from a different IP
address than the main router one by adding the following
ip nat inside source static tcp 192.168.111.2 25 xxx.xxx.xxx.162 25
Where xxx.xxx.xxx.162 is the IP address I want it to come from and
xxx.xxx.xxx.161 is the routers IP address as defined in the Dialer1
interface (I'm connecting via ADSL) ip address xxx.xxx.xxx.161
What have I done wrong and have I posted up enough information?
Re: Help with NAT Mapping please
Have you tried "show ip nat translation" to confirm that the mapping
has been done after initiating an outbound smtp connection?
Depending on the nat expiry time you might not see any translation at
Try this NAT statement:
ip nat inside source static 192.168.111.2 xxx.xxx.xxx.162
This will give the internal IP 192.168.111.2 a permanent translation to
the external IP xxx.xxx.xxx.162 for any sort of traffic.
Hope this helps,
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