ASA 8.0.4 Phone Proxy - media-termination address NAT?

Unanswered Question
Jan 15th, 2010

On ASA 8.0.4 using the Phone Proxy feature, can the media-termination address be NAT'd on the inside?  If so how?  The address does not exist on any interfaces so that is why I ask.

Thanks,

-C

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c3max Fri, 01/15/2010 - 11:59

From reading the documentation for ASA 8.2, it sounds like I need to upgrade.

ASA 8.2 gives the option to create one MTA instance with an IP on multiple interfaces.  This should solve my problem.

-C

Kureli Sankar Sat, 01/16/2010 - 19:44

Chase?

Yes, that is correct. I hope you have the link.

You can see sample config here. You not longer need a route on the inside router to come this ASA's inside interface for the MTA address.

https://supportforums.cisco.com/docs/DOC-8165#StepbyStep_configuration_example_

Per-Interface-MTA: (New feature in 8.2)
PhoneProxyASA(config)# media-termination mymta
PhoneProxyASA(config-media-termination)# address 14.36.107.91 interface outside
PhoneProxyASA(config-media-termination)# address 172.18.124.220 interface inside

-KS

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