IP Routing between two network cards in Win 2003 server

[Guest]

I have two network segments... one for each floor in my building i.e. Floor 2
and Floor 3. I have the network split up this way so that the two segments
show up as zones for apple-talk routing... this way people on the 2nd floor
see only AppleTalk printers on their floor. The two segments are set up
using a VPN in the network switches and my server has two network cards which
are plugged into each side of the network. I can see apple talk printers on
both sides of the network but can not ping an IP address on the other side.
Can anyone tell me how to rout the IP traffic through the server from one
card to the other?

Thanks,

 

[Tomasz Plebañski]

I have two network segments... one for each floor in my building i.e. Floor 2
and Floor 3. I have the network split up this way so that the two segments
show up as zones for apple-talk routing... this way people on the 2nd floor
see only AppleTalk printers on their floor. The two segments are set up
using a VPN in the network switches and my server has two network cards which
are plugged into each side of the network. I can see apple talk printers on
both sides of the network but can not ping an IP address on the other side.
Can anyone tell me how to rout the IP traffic through the server from one
card to the other?

This should be not a 2003 Server routing problem. Set the gateways in TCP/IP
properties of workstations to the appropriate IP adresses of server's
network cards. The only thing in server may be "ip forwarding" enabled
somewhere in the network configuration (win 2000 has this enabled by
default, haven't touched 2003 ever).

 

[Guest]

I checked that Ip forwarding was enabled and set my local client's def
Gateway to the nic card on that segment but still can not ping a device on
the other side of the server... should the server route IP traffic to the
other card by default?

 

[Bill Grant]

If IP routing is enabled, the server will forward traffic from one
segment to the other. But the traffic has to actually get to the server to
be forwarded. How is the network configured? Is the server the default
gateway for each subnet? eg

workstations
192.168.2.x dg 192.168.2.1
|
192.168.2.1 dg blank
server
192.168.1.1 dg blank
|
workstations
192.168.1.x dg 192.168.1.1

 

[Guest]

The workstations and server network cards are as follows...

PC1 - 209.123.33.20 DG=209.123.33.10

Server NIC1 209.123.33.10 DG=209.123.33.251
Server NIC2 209.123.33.50 DG=None

PC2 - 209.123.33.60 DG=209.123.33.50

209.123.33.251 = The router to the T-1 line. I should be able to ping the
50 machine from the 10 machine... Right?

 

[Bill Grant]

To use IP routing, the two segments must be in different IP subnets. You
can bridge two segments in the same IP subnet, but you cannot route them.