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From: Ts8060 on 10 Nov 2009 06:24
Hi. I Configurin PPPoE Server on Cisco. It is Successfull.
It is connecting.
But there 1 problem.
Users can connect in local. But can not connect to outside.
How can i configure NAT in that configuration.
What should i do. Pls help Me.
Sry For my english.
From: Doug McIntyre on 10 Nov 2009 10:35
Ts8060 <ts.8060(a)gmail.com> writes:
>Hi. I Configurin PPPoE Server on Cisco. It is Successfull.
>It is connecting.
>But there 1 problem.
>Users can connect in local. But can not connect to outside.
>How can i configure NAT in that configuration.

Hopefully your routers are fairly beefy ones, because many SP's find
that doing NAT PPPoE terminations will bog down any modest boxes
fairly quickly. There's not many docs about it because its typically
not done that way. Are you sure you don't want to setup real public IP
pools and save whoever from double NATing in all cases and any of
the problems it could cause?

Another option is to have the NAT box beyond the LNS box, so they can
be dedicated to their own functions.

Your questions are probably better suited to something like the
cisco-nsp mailing list, but doing NAT in the VPDN server environment
isn't any different than doing NAT on anything else cisco.

Just treat your virtual-template as the real interface you'd be doing
NAT on, and remember that it'll be cloned as many times as you have
logins, so you'll need to make it pull IPs out of pools, and NAT inside
on the template.

Its a simple straight forward extension of Cisco NAT in any other case.
Although, the end result might not be too pleasent.

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