Join 2 Networks

Howdy, I have a cisco 1720 router, windows 2003 PDC, 2 2950 cisco switches 1 cisco PIX.

Network1. The PDC acts as DHCP and has to authenticate all users and gives ip 192.168.0.x.

Network2. Has PIX 192.168.10.x with applications behind it.

I would like to join the 2 networks all clients on network 1 to communicate with network 2 without changing the current topology. I have tried vlans with no success. Please assist

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Since the PIX is the default gateway for network 2, I guess you would need an extra interface on the PIX to connect to the 1720.

I do not believe the PIX will send packets packet backout the same interface they arrived on.

Set up routing on the PIX and the 1720 accordingly.

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Both networks have a default network 10.1 and 0.1 can i use Vlans to join the 2 networks if so how.

Thank you

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For network 2, what is the model of the PIX and what software version is it running.

IFor network 2 , is there a layer 2 switch connected to the PIX ?

If not then what do the devices having IP address 192.168.10.x connect to ?

Are both network 1 and 2 in the same location ?

For network 1, are both 2950's interconnected , then one of them connected to 1720 ?

Post output of show version for the 1720

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Yes, give us your topology configuration w/ip addresses so we can get a better idea of how your network is currently set up.

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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. As requested 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


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