Configuring Redhat 9 router between 2 private network

[Rahul Jain]

Did you make sure that net.ipv4.ip_forward = 1 ?

if not, then change this parameter to 1 in /etc/sysctl.conf

Rahul.

On Wed, 1 Sep 2004, RAJESH  MENON wrote:

>
>   
> 08/31
>
> I am a fairly new Lunux user.
>
> I am trying to setup a test netork as follows:
>
> 172.16.4.0 ---> | eth0_inside (172.16.4.2)-- Redhat 9 Box -- eth1_toRouter (172.16.3.10)| ---> router (172.16.3.4)
>
> eth0_inside IP is 172.16.4.2. The default gateway has the eth1_toRouter's IP 172.16.3.10.
>
> eth1_toRouter IP is 172.16.3.10 and its default gateway is the
> router's IP 172.16.3.4.
>
> I edited the sysctl.conf file in /etc to put a value of '1' to
> net.ipv4.ip_forward. I rebooted the machine.
>
> Result:
>
> I can ping both interfaces, the router, and the inside hosts
> from the linux box.
>
> The hosts can ping only up to eth1_toRouter (172.16.3.10). Not
> beyond that.
>
> Your help would be greatly appreciated.
>
>
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