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Port Forwarding - Cisco

Posted on 2012-04-10
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Last Modified: 2012-04-28
Hello Experts

Well, last week I got help here to gain access to a customer's Cisco 851w router.  That question has been answered and I've got it configured for internet access using pppoe.

Now I need to configure port forwarding for printing.

As near as I can tell I just need the CLI commands to set up port forwarding to the ports they've assigned.  

Any help will be greatly appreciated.

Thanks

thedslguy
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Question by:thedslguy
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6 Comments
 
LVL 17

Expert Comment

by:Anuroopsundd
ID: 37827825
Port forwarding is achieved through a static NAT translation using the optional extendable keyword. The following is the syntax for the IOS command that will automatically redirect all traffic to a host computer.

ip nat inside source static tcp [internal address of computer] port [public address assigned by ISP] port extendable



http://www.laplink.com/support/kb/article.asp?id=45
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Expert Comment

by:Anuroopsundd
ID: 37827832
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Expert Comment

by:Ashok Dewan
ID: 37827864
this commands

ip nat inside source static { tcp | udp } <localaddr> <localport> <globaladdr> <globalport>
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Expert Comment

by:Istvan Kalmar
ID: 37827955
please show the config if you need more assistance
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Accepted Solution

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thedslguy earned 0 total points
ID: 37827973
Anuroopsundd, neil40m

I input that command and get an error.  It doesn't like the work "source"

The full command I'm giving is:

Router#(config-if)ip nat inside source static tcp 10.10.10.210 9100-9102 < public static IP address >
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Author Closing Comment

by:thedslguy
ID: 37905306
I'm not sure why folks stopped posting for this, but the customer and I decided together to simply replace the router with something he could work with without having to call a professional every time he needed to make any changes.<br /><br />So I've opted to withdraw the question.<br /><br />Thanks anyway,everyone.<br /><br />thedslguy
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