NATing on Cisco 6500 switch

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Mar 10th, 2009
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Hi All -

Scenario - I have a source machine with IP with a specific application running on that and that machine will be communicating to destination host on the different Vlan. Lets say IP

Applications on both machines communicates bidirectional with the UDP port number 3700



Port number which is generated by application on need to be translated to port number 7001 and should be handed over to and the response which sent from once again need to be converted back to 3700 and sent to

Please let me know how do I do this (Will be of great help if you let me know the command instructions as well)

( Ps.I have a Cisco 6500 switch on which both Vlan's are created )

Thank you


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Giuseppe Larosa Tue, 03/10/2009 - 07:50
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Hello Shash,

you need to use a protocol port specific NAT


ip nat inside source static udp 3700 7001

Hope to help



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