Two subnets connection problem

January 20, 2011 at 23:58:53
Specs: Windows 2008 server
Hi All. I have a Netgear WGR164v9 wireless router connected to internet directly by public IP and this router performing DHCP for wireless LAN ip subnet is 192.168.1.x. A server (DNS,DHCP & RRAS with NAT) connected with this router by ip which has another subnet 192.168.10.x for LAN PCs. In this situation everything is fine like internet browsing. The only problem is wireless PCs (192.168.1.x) can't connect with wired LAN PCs (192.168.10.x). The router ip is Can anyone please tell me how can i configure to connect those two subnet's PCs?

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January 21, 2011 at 07:43:42
If there's no particular reason to have the two separate subnets I would just put everything on the same subnet.

As it stands, it looks like you're using your server to route between the two subnets. At least, to allow traffic from 192.168.10.x to the 192.168.1.x network and therefore the internet.

Your wireless clients can't communicate with the 192.168.10.x network because there's no route from the 192.168.1.x subnet to the 10.x subnet. You would have to create a route in the server for this.

What I would do if there's no special need for two separate subnets is leave statically assigned to the server and disable it's DHCP. Let the client PC's get their TCP/IP settings from the router. If you're physically setup as follows:

Internet >> Router >> Server & Clients

Then it'll work out nicely and have the added benefit of LAN communication between the wired and wireless clients without messing around with static routes.

If you have an Active Directory domain setup, you will have to make the DNS address DHCP gives out to clients point at the DC and then in turn, forward the DNS on the DC to your ISP's DNS server(s).

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***

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