[c-nsp] Re: cisco-nsp Digest, Vol 38, Issue 30

admin2 admin2 at vejen-net.dk
Thu Jan 12 13:00:11 EST 2006


> Hello all,
>
> on on of our customer sites we have 1812 router.
> Public IP: 1.2.3.4 /30
> Lan IP: 192.168.1.1 /24
>
> Router is doing nat in following configuration:
> access-list 1 permit 192.168.1.0 0.0.0.255
> ip nat pool customer 1.2.3.4 1.2.3.4 netmask 255.255.255.252
> ip nat inside source list 1 pool autovia overload
> ip nat inside source static tcp 192.168.1.10 25 1.2.3.4 25 extendable
>
> Problem is, that it is impossible to connect to 1.2.3.4:25 from lan:
> telnet 1.2.3.4 25
> Trying 1.2.3.4...
> telnet: Unable to connect to remote host: Connection refused
>
> >From outside everything is ok:
> Trying 1.2.3.4...
> Connected to 1.2.3.4.
> Escape character is '^]'.
>
> Any suggestions, how to enable lan connects to 1.2.3.4:25 ?
> Many thanks for any ideas.
>
> Best regards,
>
> Jan Gregor
>
>

Hey,

U can try to put "ip nat outside" on your lan interface, then it would work
but you
cant use both external/internal address to connect to so you have to deside.

Martin




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