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Pix 860 Series affecting port 2000 and 4600 traffic

Posted on 2009-12-22
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Last Modified: 2012-05-08
I have a Cisco 861 With a static IP, which is  part of a site to site VPN. Local HTTP traffic is routed thru the ISP's dns and not the base site.   I am using Millenium a Library Automation Program which communicates on Ports 2000 and 4600, they told me There is a known issue with cisco and the SCCP altering traffic on ports 2000 and 4600 which makes the program inoperable.  My firewall is turned off (so shouldn;t be a problem ), I can telnet to the Server IP on ports 2000 and 4600 and I can login no problem.  When running the java applet, it never gets this far, so something is altering the traffic on ports 2000 and 4600,  as this same machine works fine if i connect it directly without the router attached.   I have been trying to use the command  no fixup protocol skinny 2000 communicating via SSH to the router, it says Invalid Input detected at marker,  the marker is pointing to the X in fixup.  
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Question by:j3rp1985
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Jody Lemoine earned 2000 total points
ID: 26105938
You're using PIX commands on a Cisco Router, which is like using Linux commands on Windows.  The two are completely different devices.  I'm not sure how useful turning off the SCCP stuff is going to be for you, but if you want to do it on the 861, the following commands will cover it.

no ip nat service skinny tcp port 2000
no ip nat service skinny tcp port 4600

Whether you're using a PIX or a router, the "fixup" and "no ip nat service" commands only apply to traffic that is traversing NAT interfaces, which site-to-site VPN traffic doesn't usually do.  What sort of device are you using on the other end of your VPN?
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