what is my external interface with PPoE

[Nico van Leeuwen]

as far as I know its ppp0 and not eth0.

nicovl.

At 16:44 18-6-01 -0400, Bernd Prager wrote:
>Hi everybody,
>
>I'm a newby and need some conceptual help here:
>When I establish a PPP connection with a dedicated ethernet card
>I have two ports which represent my external interface: eth0 and ppp0.
>My internal interface is eth1.
>I'm a little bit confused since I have now 3 ports to consider.
>
>What is the interface I have to configure with iptables as the external
>interface? eth0 has a static address in a private range (192.168.xx.xx)
>and ppp0 has a dynamic IP address. It could be saver/easier to configure
>eth0 since the address is static. Does that make sense?
>If I configure ppp0 instead (what I have to do every time the ISP changes my
>address), do I have to consider eth0 at all or can I just ignore it?
>
>Thanks a lot,
>-- Bernd
>
>
>