router using FC4

[Bob Marcan]

LC wrote:
> 
> ----- Original Message ----- From: "Bob Marcan" 
> <bob.marcan at interstudio.homeunix.net>
> To: "For users of Fedora Core releases" <fedora-list at redhat.com>
> Sent: Wednesday, May 24, 2006 12:09 AM
> Subject: Re: router using FC4
> 
> 
>> LC wrote:
>>> Hi,
>>>
>>> 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.
>>>
>>> Can someone tell me what should I do?
>>>
>>> Best regards
>>
>> /etc/sysctl.conf:
>>
>> # Controls IP packet forwarding
>> net.ipv4.ip_forward = 0
> 
> This is my /etc/sysctl.conf
> 
> # Kernel sysctl configuration file for Red Hat Linux
> #
> # For binary values, 0 is disabled, 1 is enabled.  See sysctl(8) and
> # sysctl.conf(5) for more details.
> 
> # Controls IP packet forwarding
> net.ipv4.ip_forward = 0

Should be:
net.ipv4.ip_forward = 1

-- 
  Bob Marcan, Consultant                mailto:bob.marcan at snt.si
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