Re: Modem and NIC Gateway

[Zanga Chimombo <z.chimombo@admarc.co.mw>]

> You said 'i am able to ping 172.21.5.136 but not 172.21.0.1'
from a client machine on the internal network.

> and 'i can
> connect fine to the internet from the gateway'.

> So you can ping, say google.com from your gateway machine correctly?
yes.

> But
> you can't ping 172.21.0.1 from your gateway?
i can ping 172.21.0.1 fine from the gateway but not from a client.

> Since you can get to the internet from your gateway, then its routing should
> be fine,
everything is indeed fine from the gateway. i can browse www.google.com, 
ping my ISPs gateway (172.21.0.1).the problem is the internal network.

> and the next thing is to configure IP masqurading to allow your
> internal network to connect via that machine.
so i have to setup iptables? any pointers...?