Re: IP-Masq

[Gregory Wood <gwood@farsweb.com>]

My first guess is that you are missing the gateway on the clients.
Greg Wood

CN Davies wrote:

> I've searched high and low but I can't find a str8 forward instructions on how to do the
> following:
>
> Users dialin to my linux system
> Linux system is on an internet LAN which connects to the internet via nat.
> Incoming connections on the linux box need to accept the internet.
>
> PPP connects fine and users can ping anything on the office LAN  including the
> gateway to the internet. However users cannot ping anything on the internet.
>
> On suse I compiled IPv4 into the kernel and it works fine, debian however does not.
> I have done modconf and the ip_masq modules are loaded (says "unused next to
> them however")
>
> The problem appears to be one of routing, we leads me back to IP_masq.
>
> I can see the problem seems to relate to the subnetmask given to the dialin
> user.Since if I set up a similar system on Winoze NT, the dialin user gets an the
> following ip config:
>
> local ip:               210.x.x.221
> subnet mask     255.255.255.240
> default route           210.x.x.209
>
> The works fine, but debian give me this:
>
> local ip:               210.x.x.221
> subnet mask     255.255.255.255
> default route           210.x.x.209
>
> So I guess the problem is the subnet mask the however I did set netmask
> 255.255.255.240 in /ppp/options so I don't know why the clients are getting a
> different mask.
>
> Any hints would be great.
>
> TIA
>
> Richard
>
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