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ISR Router on board Encryption vs. AIM module

Hi,

I just want to get some feedback from people who use ISR (2811 or 3825) to do encryption using on board chip vs. purchasing an extra AIM module to do the encryption.

From Cisco own performance test, it shows that with an additional AIM module to assist encryption, there is only minimal performance gain.

http://www.cisco.com/en/US/docs/solutions/Enterprise/WAN_and_MAN/DMVPN_4_Phase2.html#wp82283

Since we are planning to migrate the entire network to a DMVPN, I just want to make sure if there is merit to purchase this AIM module?

Any input or suggestion is welcome.

Thanks.

1 REPLY

Re: ISR Router on board Encryption vs. AIM module

The link you have mentioned is specific to DMVPN. In general there is significant increase in performance, please check Table 3 on the below link:

http://www.cisco.com/en/US/prod/collateral/iosswrel/ps6537/ps6586/ps6635/ps7180/prod_brochure09186a00801f0a72_ns483_Networking_Solutions_Brochure.html

Regards

Farrukh

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