[Cisco] Sticky vs non sticky port security problem on 2950 switches

[David Waddell]

Are both switches enhanced image.  I remember there being a problem with one
or two of the labs if you had a switch that didn't have the enhanced image,
but it's been a while since I've taught unit 3 at Kurunjang so I'm not sure
if it is that lab or not.

Cheers
David Waddell


On 5/5/06, Kevork Krozian <Kroset at novell1.fhc.vic.edu.au> wrote:
>
> Hi Friends,
>
>    Semester 3, Module 6 lab 6.2.5 requires port security to be configured.
> Specifically , Item 9b requires the following 3 commands:
>      (i) switchport mode access
>      (ii) switchport port-security
>      (iii) switchport port-security mac-address sticky
>
>    Now this last command works on one of our 2950 switches and not the
> other.
> At first I thought the issues might be the IOS version. So, investigating
> the IOS on each the results were:
>
>    1)  The sticky (works on switch) had IOS ver c2950-i6q4l2-mz.121-6.EA2c  and
> the
>    2) Non sticky ( does not work on switch ) had IOS ver
> c2950-i6q4l2-mz.121-22.EA2
>
>   On a first observation the working one is 121-6 and the non working one
> is 121-22. So it seemed what appeared a newer version was not working. Not
> deterred, I got the students to save the non-working switch's IOS to a tftp
> server and copied in the working version onto the switch.  After reloading ,
> it still did not work after confirming the updated IOS was in fact running
> on the switch.
>
> So, do any of my expert colleagues out there have any ideas ???
>
> Best Wishes
>
>
>
> Kevork Krozian
> IT Manager , Forest Hill College
> k.krozian at fhc.vic.edu.au
> http://www.fhc.vic.edu.au
> Mobile: 0419 356 034
>
>
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