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11728 Views 3 Replies Latest reply: Feb 15, 2012 5:12 PM by Martin RSS

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Packet Tracer IOS

Apr 11, 2009 3:28 PM

JWC1092 3 posts since
Apr 10, 2009

Is there a way to upgrade Packet Tracers IOS? I'm using IOS 12.1 on Packet Tracer 5.1 and i need to upgrade to at least 12.3 or 12.4

  • Brent Sieling 3 posts since
    Jun 24, 2008
    Currently Being Moderated
    1. May 19, 2009 12:50 PM (in response to JWC1092)
    Re: Packet Tracer IOS

    Packet Tracer is just a simulation, so No, it is not possible to actually change the IOS. The simulation does allow you to use TFTP to copy a different version to the router, and use the "boot system" command to set the new version to load on the next reboot, but once you reload the router, it ignores the command.

    Correction: You can upgrade the IOS on the 2600XM router, and this does "stick" after reboot, as this is the way you get IPv6 functionality to work on the 2600XM routers.  Howerver, the upgrade only add some commands - not the full feature set of the upgraded IOS.

    If you want / need to use an upgraded IOS, I suggest you try GNS3.


    Brent Sieling

    Cisco Academy Instructor

    Madison Area Technical College


    Corrected 5/19/09.

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  • bobcismac 34 posts since
    Jun 2, 2010
    Currently Being Moderated
    2. Feb 16, 2012 9:18 AM (in response to Brent Sieling)
    Re: Packet Tracer IOS

    I'd like to practice extended access list, PT 5.3.3 has IOS 12.2(28), not high enough TO GET THE SEQUENCE NUMBER option (please read that again before commenting that PT does have named ACL's)

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  • Martin 13,892 posts since
    Jan 16, 2009
    Currently Being Moderated
    3. Feb 15, 2012 5:12 PM (in response to bobcismac)
    Re: Packet Tracer IOS

    PT i got has

    Router#sh ver

    Cisco IOS Software, 2800 Software (C2800NM-ADVIPSERVICESK9-M), Version 12.4(15)T1, RELEASE SOFTWARE (fc2)


    I am sure extended list works;

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