Hi all,

I'm trying to get very basic routing happening between two locally connected subnets 
on Debian Sarge.

I'm doing some disaster recovery planning at work which requires me to test some 
replication with two subnets connected by an IPSec tunnel, but for my testing I'm just 
routing between the two using VMWare.

Anyway, in my Debian virtual machine, I have 2 NIC's configured as shown below, with 
IP forwarding turned on.

/etc/network/options:

ip_forward=yes
spoofprotect=yes
syncookies=no

/etc/network/interfaces:

auto lo
iface lo inet loopback

auto eth0
iface eth0 inet static
        address 172.16.1.1
        netmask 255.255.255.0
        network 172.16.1.0
        broadcast 172.16.1.255

auto eth1
iface eth1 inet static
        address 172.16.2.1
        netmask 255.255.255.0
        network 172.16.2.0
        broadcast 172.16.2.255

On both of the other virutal machines, they are set up with the appropriate gateway 
address of 172.16.1.1 and 172.16.2.1.

>From the machine on 172.16.1.10, I can ping 172.16.1.1 and 172.16.2.1, but I cannot 
>ping the machine on 172.16.2.10.

>From the machine on 172.16.2.10, I can ping 172.16.2.1, but not 172.16.1.1 or the 
>other machine on 172.16.1.10.

Am I doing something wrong here by just enabling IP forwarding to allow the routing to 
occur? Or do I need something like Quagga for this to work?

Regards,

Pete


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