Question

adding a network route to connect two networks

Asked by: iampaulh

We have a media server (running xp pro) on 2.0.0.6 controlling a host of projectors and lighting on this network. Subnet is 255.255.255.0

We also have a regular network on 192.168.100.x, subnet 255.255.255.0 - Can anyone help in linking the two so that a computer on the 192 network can ping/RDP into the machine on the 2 network?

The server is connected to its own hub, and we have connected the hub to a port on our main switch.  I have tried pinging but no response either way.

There's only one NIC and we were advised against adding another as the company that set the server up said if there were two NICs, the lighting control software wouldn't know which NIC to send the controls over.

I thought about adding a route using the route command but I have no idea at all what to type

Can anyone help?

Thanks!

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Asked On
2009-11-04 at 03:23:08ID24870504
Tags

routing xp network subnet

Topics

Network Design & Methodology

,

Windows XP Operating System

,

Miscellaneous Networking

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Answers

 

by: bjornlundePosted on 2009-11-04 at 04:02:07ID: 25738436

As I understand your setup:

- XP Pro media server on IP 2.0.0.6 with subnet mask 255.255.255.0
- Regular subnet is 192.168.100.0 with subnet mask 255.255.255.0
- There is no router between the two

To enable hosts on 192.168.100.0 to communicate with the host on 2.0.0.6 you would need to either set up a router between the two networks OR add an additional IP to the existing NIC which would have to be on the 192.168.100.0 network. Hosts on the 192.168.100.0 subnet would then be able to communicate with the media machine on that IP. I'm guessing, however, that the lightning control software will not be able to cope with that.

There is no way of enabling hosts on 192.168.100.0 to communicate with a host on a different network without a router because this is how IP is designed. A host on a network will always direct traffic to another subnet through its router (either default gateway or another router which routes to the 2.0.0.0 network).

I'm guessing that you already have a router in place which acts as your default gateway (e.g routes to the internet). When you ping from either host the packets are now sendt to this router, which tries to forward them to the internet. You can confirm this by running 'tracert 2.0.0.6' from one of the clients and from the media server. This will show you the path packets are actually taking.

If you were to connect the media server to a free LAN port on your existing default gateway router, and configure the the gateway router with an address on the 2.0.0.0 network (e.g 2.0.0.254) and then set up the media controller pc to use this IP as its default gateway you should be able to communicate with the server from your main network.

Also note that it is consiered best practice to use one of the reserved private ranges for internal IP addresses (e.g 10.0.0.0 /8 or 192.168.0.0/24 - 192.168.255.0/24) . The one you have set up is not a private address and is ment to be used as an external IP on the internet (currently listet as not allocated by IANA - but will be allocated to internet registries in the future). This could cause routing woes down the line.

Further reading on private ranges:
http://en.wikipedia.org/wiki/Private_network

Hope this helps

Bjorn

 

by: small_studentPosted on 2009-11-04 at 04:18:14ID: 25738545

Simply add an IP to your NIC with the servers range and you will be fine

I understand that the server should not have 2 NICs, but Ok if you assign your machine 2 IPs

 

by: iampaulhPosted on 2009-11-04 at 04:29:26ID: 25738615

Thanks for that - it makes everything a lot clearer.

The reason its on the 2.0.0.0 is apparently the lighting network will not work on anything other than that.

So instead of using a hub, I need to buy a router, set it to have the 2.0.0.1 or whatever, then it can route through that if the routers "external IP" is one on the 192.168.100x lan

I guess I can try adding another IP, see what happens!  I had no idea you could do that - learnt something new today!

 

by: benowensPosted on 2009-11-04 at 04:34:10ID: 25738642

Sorry haven't read the other entries yet.  Looking at it briefly I would suggest dual IP address on the workstations you want to connect to the media server from.  Add a second IP address in TCP/IP properties.

Alternatively a router is the solution.  

 

by: stealthwifi12Posted on 2009-11-04 at 11:35:53ID: 25742995

Enable RIP and Inter-VLAN Routing on your router

 

by: CaptainNapalmSEPosted on 2009-11-05 at 10:22:59ID: 25752306

If they're on the same physical network, if you add a second IP to any system on the 192.168.100.x that is on the 2.0.0.x network, it should work just fine.  Alternately, if you want to add a second IP to the NIC on the server on the 2.0.0.x network (which should be fine), you'll be able to access via that IP and, if the 192 network's IPs are DHCP, you won't have to make anything static.  

Also, if both network are sharing a router/firewall, you can create rules in that device to allow traffic between the two networks to communicate.  It's the way that I use to allow traffic between my phone system network and data network.  

20120131-EE-VQP-002

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