Strange Problem ....

[Paul Howarth]

On Tue, 2004-10-05 at 08:34, Shu Hung (Koala) wrote:
> I have a new PCMCIA ethernet card installed on my FC2 notebook.
> The notebook should be connected through a office LAN to the internet.
> However, I cannot go to the internet as other Windows PC in the LAN.
> 
> My ethernet config is this:
> Device: eth0
> Use DHCP: [Disable]
> Static IP: 192.168.10.35
> Netmask: 255.255.0.0
> Default gateway IP: 192.168.0.1
> (this is the only ethernet device on my notebook)
> 
> The strange case is this:
> 1) I can ping myself (192.168.10.35) - the network is up
> 2) I can ping gateway (192.168.0.1) - connection to gateway is OK
> 3) I can ping another PC on the network (192.168.0.34)
> 4) I can even use lynx to browse the website on 192.168.0.34's apache
> 5) When I ping an "outside" IP (e.g. 216.239.57.99), it returns:
> connect: Network is unreachable
> 
> What is going on ?

First step might be to check that your default route is actually set up
to go through 192.168.0.1 as you requested:

netstat -rn

Destination 0.0.0.0 should have Gateway 192.168.0.1, and Genmask
0.0.0.0.

Paul.
-- 
Paul Howarth <paul at city-fan.org>