Join 2 Networks

The current topology is Network 1 I have 60 machines they get get IPs from a DHCP 192.168.0.x they all connect to 2 48 port cisco switch 2950XL and 1 1720 cisco router has two interfaces 1 to the internet the other to local LAN Network 2 has 4 servers with IPs 10.0.0.x a switch and cisco PIX firewall, the pix has 2 network interfaces 1 is GW for the servers and

192.168.10.x for the external network. Incase i want to access servers on network 2 I have to change the ips 192.168.0.x to 192.168.10.x with a GW of PIX outside interface. I want to join both networks. I do not want to keep on changing the addresses. Below is a show ver for 1720

Cisco IOS Software, C1700 Software (C1700-Y-M), Version 12.3(14)T1, RELEASE SOFTWARE (fc1) Technical Support:

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(c) 1986-2005 by Cisco Systems, Inc. Compiled Thu 31-Mar-05 13:40 by yiyan ROM: System Bootstrap, Version 12.2(7r)XM2, RELEASE SOFTWARE (fc1) gw-router uptime is 4 days, 20 hours, 5 minutes System returned to ROM by power-on System image file is "flash:c1700-y-mz.123-14.T1.bin" Cisco 1721 (MPC860P) processor (revision 0x500) with 56468K/9068K bytes of memory. Processor board ID FOC09181RTT (4115645989), with hardware revision

0000 MPC860P processor: part number 5, mask 2 1 Ethernet interface 1 FastEthernet interface 32K bytes of NVRAM. 32768K bytes of processor board System flash (Read/Write) Configuration register is 0x2102

Thanks

Pick IP addresses in the 192.162.0.X network for the current 10.0.0.x network devices, and move them. At the same time, move the PIX to the same network, and ensure the router has a route to the external network (192.168.10.0 i believe you said above) and point it to the PIX. I can't be sure this is the best solution without seeing a complete diagram of what is where, and what that 'external' network goes to, but you'll have to pick one network or the other and move the devices. Your only other course of action is to connect the two networks (connect the router to the PIX) and ensure that you have the proper routes for the subnetworks on each device. That could work, you'd just have to watch how the pix is going to interact in that model.

If you can provide a diagram or a thorough explanation of the network, including any other connections or networks, as well as your constraints, that would help. Does the firewall have to continue protecting some devices? Can it go away? Can it move to another function and protect everything instead of just one of the networks? All in all, shouldn't be too difficult, but we have to understand your constraints.