SIP/NAT/ALG 7200

Answered Question
May 20th, 2008

Hi,

i have a cisco 7204vxr router (c7200-is-mz.123-6f.bin)and on one of the networks (wich is a nat) there are sip clients connected to a sip server on another network. What is happening is that the router is acting as a ALG/SBC changing the sip/spd information inside the packets.Since i have another equipment doing SBC function, i would like to know how to disble it on the 7204vxr.I have searched a lot, but could not find and answer.


Thanks for your help,

André Santos

Correct Answer by irisrios about 8 years 9 months ago

To disable it on 7204vxr you can use the following commands:

no ip nat service sip tcp port 5060

no ip nat service sip udp port 5060

http://www.cisco.com/en/US/docs/ios/12_2t/12_2t8/feature/guide/ftnatsip.html#wp1031752


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