router using FC4

[Tim]

On Tue, 2006-05-23 at 23:59 +0800, LC wrote:
> I am trying to make a router using a FC4. I have 2 NICs in the machine. 
> Install FC4 using minimium. Eth0 is set to DHCP, connected to an ethernet 
> modem and ETH1 has IP 192.168.1.1, netmask 255.255.255.0 connected to a 
> switch. Installation was a success and rebooted the box. Clients machines 
> are unable to ping 192.168.1.1. But when i unplug the modem and reboot, 
> clients are ablt to ping 192.168.1.1. I realised if the box booted up both 
> ETH0 and ETH1, clients are able to ping 192.168.1.1. But if i ifdown ETH0 
> and ifup ETH0, clients are able to get reply from 192.168.1.1.

What's the other interface's address?  If they're both 192.168.1.x with
a 255.255.255.0 netmask you're going to strike problems, you've got two
subnets, they need to be addressed accordingly.

e.g. eth0 192.168.0.1/255.255.255.0
     eth1 192.168.1.1/255.255.255.0 using 192.168.1.x (above) as its gateway
     and clients should use the 192.168.1.1 as their gateway

-- 
(Currently running FC4, occasionally trying FC5.)

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