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CCNA IOS version

Discussion in 'General Cisco Certifications' started by grim, Jul 15, 2008.

  1. grim

    grim Gigabyte Poster

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    what version IOS does the CCNA use ?

    Grim
     
    Certifications: Bsc, 70-270, 70-290, 70-291, 70-293, 70-294, 70-298, 70-299, 70-620, 70-649, 70-680
    WIP: 70-646, 70-640
  2. BosonMichael
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    BosonMichael Yottabyte Poster

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    I'm guessing 12.4... but you can likely get by with a 12.3 or 12.2. In truth, many commands work just like they did in older IOS versions.
     
    Certifications: CISSP, MCSE+I, MCSE: Security, MCSE: Messaging, MCDST, MCDBA, MCTS, OCP, CCNP, CCDP, CCNA Security, CCNA Voice, CNE, SCSA, Security+, Linux+, Server+, Network+, A+
    WIP: Just about everything!
  3. grim

    grim Gigabyte Poster

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    the latest version for this switch is 12.0.5 and some of the commands in the book dont work

    Grim
     
    Certifications: Bsc, 70-270, 70-290, 70-291, 70-293, 70-294, 70-298, 70-299, 70-620, 70-649, 70-680
    WIP: 70-646, 70-640
  4. BosonMichael
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    BosonMichael Yottabyte Poster

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    Which ones don't work?
     
    Certifications: CISSP, MCSE+I, MCSE: Security, MCSE: Messaging, MCDST, MCDBA, MCTS, OCP, CCNP, CCDP, CCNA Security, CCNA Voice, CNE, SCSA, Security+, Linux+, Server+, Network+, A+
    WIP: Just about everything!
  5. grim

    grim Gigabyte Poster

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    one i can remember off the top of my head is

    (config)#interface range fastethernet 0/13 - 14

    it works without setting a range

    Grim
     
    Certifications: Bsc, 70-270, 70-290, 70-291, 70-293, 70-294, 70-298, 70-299, 70-620, 70-649, 70-680
    WIP: 70-646, 70-640
  6. BosonMichael
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    BosonMichael Yottabyte Poster

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    According to Cisco:

    Just knowing that the interface range command exists is probably good enough... you seem to have the syntax down pat.
     
    Certifications: CISSP, MCSE+I, MCSE: Security, MCSE: Messaging, MCDST, MCDBA, MCTS, OCP, CCNP, CCDP, CCNA Security, CCNA Voice, CNE, SCSA, Security+, Linux+, Server+, Network+, A+
    WIP: Just about everything!
  7. grim

    grim Gigabyte Poster

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    sheesh i didnt realise that the IOS commands change so much between versions, might wait till i get the rest of my lab

    Grim
     
    Certifications: Bsc, 70-270, 70-290, 70-291, 70-293, 70-294, 70-298, 70-299, 70-620, 70-649, 70-680
    WIP: 70-646, 70-640
  8. BosonMichael
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    BosonMichael Yottabyte Poster

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    They do, man... new commands added all the time, and old ones are taken out. Worse yet, the keywords change from time to time as well. To add to the confusion, commands that exist in the IP Base IOS are different from those in the Enterprise IOS (and there are several different IOS code sets - if you think Vista's versions are bad, you ain't seen nothin' yet! :blink).
     
    Certifications: CISSP, MCSE+I, MCSE: Security, MCSE: Messaging, MCDST, MCDBA, MCTS, OCP, CCNP, CCDP, CCNA Security, CCNA Voice, CNE, SCSA, Security+, Linux+, Server+, Network+, A+
    WIP: Just about everything!
  9. grim

    grim Gigabyte Poster

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    this could get confusing running different IOS versions, now i know why you can buy a command reference guide

    Grim
     
    Certifications: Bsc, 70-270, 70-290, 70-291, 70-293, 70-294, 70-298, 70-299, 70-620, 70-649, 70-680
    WIP: 70-646, 70-640
  10. BosonMichael
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    BosonMichael Yottabyte Poster

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    Happens all the time. You need a certain amount of memory and Flash to run/store certain IOS versions and feature packs... so some models can't run IOS versions of a certain size unless you upgrade the memory or Flash... and you can only upgrade some models to a certain amount of memory - no different than some motherboard limitations, for example. So you often end up having devices running various IOS levels throughout an organization.
     
    Certifications: CISSP, MCSE+I, MCSE: Security, MCSE: Messaging, MCDST, MCDBA, MCTS, OCP, CCNP, CCDP, CCNA Security, CCNA Voice, CNE, SCSA, Security+, Linux+, Server+, Network+, A+
    WIP: Just about everything!
  11. CheeseOnToast

    CheeseOnToast Nibble Poster

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    They are on about getting some core router that run XR code ?

    I have only just done my CCNA so I am a long way away from this lol.

    I think we may be getting the new GSR's instead - so may have half a chance!

    it's suprising even things like show mod on the 2800 and 7600 you cant run on the 12000's, you have to do a show inventory

    it's all a learning curve I guess
     
    Certifications: ITIL Foundation
    WIP: CCNA
  12. grim

    grim Gigabyte Poster

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    its a always a learning curve it would be easier if the curve didnt keep moving

    have ordered a reference guide to him me :)

    Grim
     
    Certifications: Bsc, 70-270, 70-290, 70-291, 70-293, 70-294, 70-298, 70-299, 70-620, 70-649, 70-680
    WIP: 70-646, 70-640

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