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Thread: How to upgrade a Cisco 3945 to a 3945E ?

  1. #1
    Join Date
    Jun 2014
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    3

    How to upgrade a Cisco 3945 to a 3945E ?

    I have a Cisco 3945 router and i want to get somewhat high CPU usage to make its speed faster and faster.Is upgrading this thing as simple as buying a SPE-250 and pulling the SPE-150 out?

  2. #2
    Join Date
    Dec 2007
    Posts
    2,291

    Re: How to upgrade a Cisco 3945 to a 3945E ?

    You can try to check the ISR G2 Performance Overview for both the versions from the below link which will give you a clear idea:
    https://supportforums.cisco.com/serv...Perfomance.pdf

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