[cisco-nas] ping fails over dialer interface

[Oliver Boehmer (oboehmer)]

Dinesh Bhonsle <> wrote on Friday, September 26, 2008 10:02 PM:

> Hi,
> thanks for the help, enabling iprouting fixed the ping issue.
> But have doubt on nat config.
> 
> on cisco850, i want to translate ip addresses on my internal lan to a
> global ip-address got via pppoe dialer0 . 
> 
> interface FastEthernet0 --> connects to lan were linux box are  dhcp
> client 
> interface FastEthernet4-> is uplink

Actually, Dialer 0 is the Layer 3 uplink interface.

> so i tried this nat  config which does not work.
> 
> ip nat pool letmeout 172.16.1.1 172.16.1.254 netmask 255.255.255.0
> ip nat inside source list 1 pool letmeout

why are you translating to a pool? You don't own these addresses (or
only one of it which is assigned to you) Your initial NAT config was
correct:

ip nat inside source list 1 interface Dialer0 overload

with an 

access-list 1 permit 192.168.100.0 0.0.0.255

can you try this?

	oli