IPS 4200 - cascade and increase throughput?

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Sep 2nd, 2008
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Hi all,

I'm planning to buy an IPS 4255 appliance, but I might need to increase the throughput in the future. Can I add IPS appliances parallel as and when I need higher throughput. Can those multiple appliances work as a single unit and not influence my existing design, when I need to upgrade the IPS throughput. Also, can this be done with any of the models in the 4200 family, interchangeably ?


Lot of questions, sorry if too much


thanks

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mhellman Tue, 09/02/2008 - 06:13
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I believe the answer is generally "no" to all your questions. You can only add an appliance "in parallel" if you are able to "route" traffic intelligently. Either way, the sensors would not work "as a single unit" and would most certainly influence the design of your network.

Farrukh Haroon Tue, 09/02/2008 - 07:56
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If you have a 6500 switch you can connect multiple devices and load share (not balance) via ECLB, have a look at:


http://www.cisco.com/univercd/cc/td/doc/product/iaabu/csids/csids12/eclbips5.htm


But as Marhew said, there is no 'clustering' technology available to my knowledge which allows a single-IP management functionality. However you can deploy multiple sensors at the same time with Cisco Security Manager (CSM).


Regards


Farrukh

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