Port Forwarding on a Cisco 800 series

Posted on 2010-11-18
Last Modified: 2012-05-10
We have Cisco 800 series router and need to forward a port and a range of ports. It is connected to a SDSL connection to the telco and I was not sure if there was anything special to do with the VLAN in place.

This is what I was going to do. Login to the router and apply the port forward for the single port....

ip nat inside source static udp 5060 interface fe0/0 5060    I believe this is correct?

From this point I need to know how to take care of the range 10000 - 20000. I have looked up where it was suggested to create a IP NAT pool, with an ACL. Is this the best or easiest way?

Also will I need to do anything with the VLAN in place?

I can provide a running config if needed.

Question by:Harold
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Accepted Solution

jramsier earned 500 total points
ID: 34166254

Author Comment

ID: 34166289
jramsier: got the first part from there. Just concerned about the range and VLAN settings. I need that to finish this little project. Thanks
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Assisted Solution

jramsier earned 500 total points
ID: 34167525

Author Comment

ID: 34167598
jramsier: well I guess I am doing ok on finding sources, as I have the info from iternity too.

My question on the VLAN is, there is already a VLAN setup, so if I add these port forwarding configuration changes, do I need to do anything to the existing VLAN?

Author Comment

ID: 34207652
jramsier: Do you know how to check to see if the port is forwarded or not?

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