two network cards for ltsp server

[Uwe Geercken]

hello friends,

I have set up an ltsp server with one card for internat access and one card
(gigabit)for lan access. the gigabit card is connected to a gigabit switch
where the clients are also connected.

the card that is used for internet access has 192.168.0.1 / 255.255.255.0.
internet access is done using isdn via a devolo isdn router: 192.168.0.251
(very good product)

the gigabit card for internal lan traffic has 192.168.1.1 / 255.255.255.0.

now the traffic from the server internally and to the internet works. also the
traffic from a client with 192.168.1.2, hooked up to the switch works. I can
also ping the server and the 192.168.0.1 interface, but I can not get internet
access on the client. 

btw: i am not booting the clients to the ltsp server. the client is a fat client
for the moment, but I want to be able to have it work also in this scenario.

the routing is set up as follows:

route add - net 192.168.0.0 netmask 255.255.255.0 gw 192.168.0.1
route add - net 192.168.1.0 netmask 255.255.255.0 gw 192.168.1.1

so now my question would be, what is wrong in this setup. respectively what I
have to do on the client side, to be able to access the internet.

thanks for your help.

uwe