From: Venkatesh Venkatesh (kvpalani@gmail.com)
Date: Wed Nov 29 2006 - 14:08:50 ART
HTH,
Venkatesh
On 11/29/06, Andi Bennett <bigandibennett@yahoo.com> wrote:
>
> Sorry for the off topic here but this has me a bit stumped.
>
> I have Cisco IP
> Phones on the "outside " of the network connecting to a CM on the "inside"
> of
> the network.
> Now, the phones can alternate TFTP to the CM, they then get an
> image, but they the try and connect to the real addresses of the CM's,
> which
> is obviously unroutable on the outside.
>
> I have
>
> ip nat outisde source static
> configured to get the phones to the CM. I think the problem is that the
> return TFTP image has the embedded real addresses of the CM in it.
>
> as a run
> down of config I have
>
> ip nat outside source static 10.18.192.10 172.27.10.1
> (Publisher + TFTP server)
> ip nat outside source static 10.18.192.11
> 172.27.10.2 (CM1)
> ip nat outside source static 10.18.192.12 172.27.10.3 (CM2)
> The phones get the image, then keep trying to connect tot he 10.18.192.x
> addresses
>
> I've looked at using the ip nat service port sccp command, but it
> seems to have no effect as the phones still try to connect to the real CM
> addresses, not my staic NAT entries.
>
> Is what I'm trying to do possible, or am
> I barking up the wrong tree??
>
> Any advice would be appreciated.
>
> Cheers
> Andy.
>
>
>
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