Cisco 7204VXR ALG NAT

Answered Question
May 17th, 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

I have this problem too.
0 votes
Correct Answer by tstanik about 8 years 6 months ago

To Turn off NAT SIP ALG by the following CLI can be used :

i.e.

no ip nat service sip tcp port 5060

no ip nat service sip udp port 5060

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Correct Answer
tstanik Thu, 05/22/2008 - 07:13

To Turn off NAT SIP ALG by the following CLI can be used :

i.e.

no ip nat service sip tcp port 5060

no ip nat service sip udp port 5060

labredes1 Fri, 05/23/2008 - 02:42

Thanks a lot. It really solved my issue. I have reallly never thouht about issuing that command since it does not appear in the rounning conf.

Thanks for your help,

André santos

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