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Routing to Internet via PX 506 - Need so help...

Ok this is what is happening....

Office 1 - Branch office running IP adress /
Office 2 Main office running IP address /

Office 1 + 2 are connected via a Cisco 1600 and a lease line with a 2600 router the other end.- Then a Pix 506 before it goes out to the internet..

I have to change Office 1 to IP address / but they still must have access server at the Main branch.

I have already added secondary IP addresses to my Cisco routers Ethernet and Serial ports and I can ping from ethernet ports on the Cisco Routers - So..

Cisco Router at Main office eth 0 can ping Cisco Router at  branch offce eth 0

Now on Sunday I  setup a Windows 2003 server with DHCP scope for the computers at Branch one with IP address range - - the server will also be a DNS server.

I can connect any where I like with the internal network but once not when I try to access the internet - I can ping 2600 from office 1 but I can't get to the 800 or the internet which are the over side of the Pix..

office 1 --------- switch---------Leased line-----------switch--------office 2 ( ---- Internet          |             |                   |                     |                    |                   |         |     |
                              ----1600                    --------------2600                ------Pix 506         800

I am guessing it's because I don't have route inside entry for the new network...

I have attached the PIX 506 config in a Text file...

500 pnts..

1 Solution


Sorry, but the text file that is attached seems to be a different file and not a PIX config.

However, I think your assessment is correct in that you'll need to tell the PIX about the new network.  Here's how to do that:

pix#config t
pix(config)#route inside x.x.x.x

Where x.x.x.x is the device that knows how to reach your new network at  I'm guessing this would be something like

Good luck!

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