RE: Help: tyring to troubleshoot eth1 problems

Dave Wreski (dave@nic.com)
Mon, 14 Sep 1998 21:09:03 -0400 (EDT)

> I've been trying to setup IP masquerading on my linux box at home to allow
> a Windows machine to access a cable modem. I can't seem get the two
> machines to talk to each other though. The linux box (RH5.0) has two new
> NetGear FA310TX cards and the windows machine has a Kingston NE2000 ISA
> card. I'm not able to ping the windows machine from the linux box or vice
> versa. The cables are known to be good. I set the windows machine to IP
> 192.168.1.10 Mask 255.255.255.0 and Gateway 192.168.1.1. Can someone offer
> some troubleshooting advice? Thanks

Looks like you're missing IP forwarding. Using netcfg, you can enable the IP
forwarding option. Or you can edit /etc/sysconfig/network and the FORWARD_IPV4
option from false to true.

Additionally, you can switch it on or off real-time with:

# echo 1 > /proc/sys/net/ipv4/ip_forward

Dave

-
To unsubscribe from this list: send the line "unsubscribe linux-net" in
the body of a message to majordomo@vger.rutgers.edu