Basic IOS question

Discussion in 'Cisco' started by Jim, Sep 6, 2005.

  1. Jim

    Jim Guest

    As someone who is new to Cisco products (but learning fast!), I have a
    question that is not answered by Cisco's own website.

    Is there just one version of IOS for all products?

    I can see references to v12.4, but there is no breakdown as to
    versions for different products.

    If so, how does the feature set "switching" work if it is installed on
    different units, such as routers that do DSL, ISDN or just Ethernet?





    Jim
     
    Jim, Sep 6, 2005
    #1
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  2. Jim

    Robert Guest

    No, there is a different IOS for each product line. 3550 switches use a
    different IOS than 3745 routers, which is different from the 6500
    series switches, etc. If you have access to their software download
    page, you will see that you have to choose your platform before getting
    the proper software.

    Robert
     
    Robert, Sep 6, 2005
    #2
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  3. In article <>,
    Robert <> wrote:
    :No, there is a different IOS for each product line. 3550 switches use a
    :different IOS than 3745 routers, which is different from the 6500
    :series switches, etc.

    When experimental new features are being introduced, it can get down
    a different IOS version per model (not just product line). Sometimes
    the experimental versions effectively have a different IOS version
    depending on whether the model has a particular module is installed or not.

    Even when you get to the mainline "general deployment" versions,
    there are different features for different models, so 12.4(1) for
    (say) a 4000-series router might have important differences from
    12.4(1) for a 6500-series router. Sometimes the same binary images
    are used and feature determination is based on the hardware it finds
    itself running on, but different binary images for different models
    is more common than not.
    --
    Any sufficiently advanced bug is indistinguishable from a feature.
    -- Rich Kulawiec
     
    Walter Roberson, Sep 6, 2005
    #3
  4. Hi Jim,

    You may wish to investigate the Cisco IOS Software Selector:

    http://tools.cisco.com/ITDIT/ISTMAIN/servlet/index

    Cisco IOS Upgrade Planner:

    http://www.cisco.com/cgi-bin/Software/Iosplanner/Planner-tool/iosplanner.cgi?majorRel=

    Cisco Software Advisor:

    http://tools.cisco.com/Support/Fusion/FusionHome.do

    and the Cisco Software Search Tool:

    http://www.cisco.com/cgi-bin/Software/SWSearch/SWSearch.cgi

    Sincerely,

    Brad Reese
    BradReese.Com Cisco Repair Service Experts
    http://www.bradreese.com/index.htm#EXPERTS
    1293 Hendersonville Road, Suite 17
    Asheville, North Carolina USA 28803
    USA & Canada: 877-549-2680
    International: 828-277-7272
     
    www.BradReese.Com, Sep 7, 2005
    #4
  5. Jim

    Jim Guest

    Thanks all, this has answered my question.


    Jim
     
    Jim, Sep 7, 2005
    #5
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