Upgrade existing network for wired and wireless Internet access

5 pts.
Tags:
Internet access
IP address
Linksys WRT54GS
Subnet mask
Subnets
Wireless networking
i have an existing network with 1 server and 10 workstation. the server ip address is 173.201.5.1 with subnetmask 255.255.0.0 and 10 workstation with the ip address ranging from 173.201.5.2 to 173.201.5.11 with subnet mask of 255.255.0.0 i want to upgrade my existing network with out changing its ip address and its current configuration to gain access to the internet. I have a d-link 16 port switch, wrt54gs router and a modem from the isp. the goal is to give internet access to the existing network and to have a wifi access on the area. the ip address of wrt24gs is 192.168.1.1 and a subnet mask of 255.255.255.0
ASKED: January 29, 2009  5:33 AM
UPDATED: January 29, 2009  1:48 PM

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If your network truly uses the 173.201.x.x/ 16 subnet, then your situation is going to be complicated by the fact that the address space on this LAN is the same as an existing address space on the internet. You should use one of the private address spaces as outlined in <a href=”http://tools.ietf.org/html/rfc1918″>RFC 1918</a> (see section 3). The wireless access point does have a private network address as shown in your posting. Either you need to assign a 192.168.1.x/24 network address to the server and clients or renumber your network to one of the private address spaces and make the router the default gateway on the clients. The reason things are working right now is that the machines are all on the same subnet and they do not have to go to a routing device to talk to each other.

For your reference, the private address spaces per RFC 1918 are:

10.0.0.0 – 10.255.255.255 (10/8 prefix)
172.16.0.0 – 172.31.255.255 (172.16/12 prefix)
192.168.0.0 – 192.168.255.255 (192.168/16 prefix)

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