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Encryption support on an Async NM port-by-port basis

There's a requirement to encrypt data between a user's PC connected via 2651 FE I/F and voicemail server that is connected via 2651 with 32-port Async NM.

Can encryption only be turned on for this one application connection? Or will it be enable for all Layer 3 connections? Can it be specified on a specific interface/port? What about a Layer Cisco device? Can encryption be carried to the switch that connections to the router?


Re: Encryption support on an Async NM port-by-port basis

Since there has been no response to your post, it appears to be either too complex or too rare an issue for other forum members to assist you. If you don't get a suitable response to your post, you may wish to review our resources at the online Technical Assistance Center ( or speak with a TAC engineer. You can open a TAC case online at

If anyone else in the forum has some advice, please reply to this thread.

Thank you for posting.

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