User's Manual

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Appendix G
G-3
TR-5A Series
Tranzeo Wireless Technologies
Connecting Multiple Clients to the Internet using NAT
Assuming that you have a full Class C sub net (216.129.68.X), you have 254 possible IP’s to use, from 1 to
254. The Subnet mask for this can be written as 255.255.255.0 or /24. In order to connect clients to the
Internet, you can make use of Private IP and NAT.
Let’s keep it simple for now, and use some default values. The Tranzeo Radio uses the default IP address
of 192.168.1.1, and a sub net mask of 255.255.255.0 (or /24) and issues IP addresses using DHCP on that
subnet.
Now our network looks like this:
One subnet that consists of IP’s ranging from 192.168.1.1 to 192.168.1.254. Using the shout / route rule,
any IP in the 192.168.1.x group shouts to any other IP in that group, but needs to route to any other IP
outside that range. The Gateway, by convention in this document, in placed at the bottom of the range.
By placing client PCs in this one subnet, and the WAN side of the Radio on the public subnet, we can offer
multiple private IPs that will be able to access the Internet. So lets look at an example
Examples