1841 AIM module question

Unanswered Question
Dec 5th, 2007
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What is the difference between the onboard VPN module and adding an AIM module to an 1841 ?


If I do not install an AIM module I get

Cisco 1841 (revision 7.0) with 235520K/26624K bytes of memory.

Processor board ID FTX1127W1AH

2 FastEthernet interfaces

1 terminal line

1 Virtual Private Network (VPN) Modules


If I install the AIM I get the AIM light lit and the following

Cisco 1841 (revision 7.0) with 235520K/26624K bytes of memory.

Processor board ID FTX1127W1AH

2 FastEthernet interfaces

1 terminal line

2 Virtual Private Network (VPN) Modules


Therefore I am wondering do I even need to add the AIM card to this router or is one built in ?


Thanks


Darren


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Brandon Buffin Wed, 12/12/2007 - 13:45
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Darren,

The 1841 does have an onboard crypto accelerator. Depending on the model of AIM, it can offer some or all of the following additional benefits:


IPPCP Hardware Acceleration

IPv6 IPSec

Cisco IOS WebVPN or SSL VPN

Cisco IOS Secure Multicast


See Table 1 of the following link.


http://www.cisco.com/en/US/products/ps5853/products_qanda_item0900aecd80516d81.shtml


The AIM-VPN/SSL also offloads termination of SSL tunnels from the router CPU. See the note below Table 1 in the link above.


Hope this helps. If so, please rate the post.


Brandon

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