What is the difference between IDSM2 for 6509 and stand alone Cisco IPS

Posted on 2009-02-08
Last Modified: 2013-11-29
What is the difference between IDSM2 for 6509 and stand alone Cisco IPS and which is better.
Question by:falkuwari
    LVL 12

    Assisted Solution

    Depends on your situation.

    The advantage of the IDSM2 is that you have redundant PSU's and a faster backplane connection.
    A disadvantage is that you need to take a slot on your 6509 which some people can't do.

    Not sure of the price, but a comparable IPS is the 4255
    LVL 18

    Accepted Solution

    it depends on the application and what you need to monitor.

    the IDSM2 is in the chassis of the catalyst switch and so can provide a lot of flexibility as far as configuration goes but it takes 4 of them to provide 2Gigs of through put from the new 4200 IPS can have multiple gig interfaces and scale up to supporting 4Gigs of throughput. from

    There is a time and a place for both, but really it is dependent upon where you are needing the services as to which is the best fit. If there is a specific application we could discuss the pros and cons of each solution with a concrete example. Personally I only put in standalone appliances with failopen kits, but that is because I do not always want to be tied to a specific vendor and have the flexibility to provide the exact capabilities I need for eahc application.

    hope this helps,

    LVL 18

    Assisted Solution


    if you follow the links that I posted you will see that you can get stand-alone's with redundant power supplies and faster throughput in both the 4260 and the 4270.

    I think the real difference is that the IDSM2 can be placed in a variety of different configurations in the Chassis without needing interfaces allocated while you are limited to the ethernet interfaces that you have on box or module with the stand-alone.

    would you agree?


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