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Cisco Catalyst 2960-24TT-L
this post was submitted on 13 Dec 2023
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2007, excellent year! Also, I swear Cisco those older switches are will run forever (as long as you don't reboot it too often ๐)
don't update the firmware!!!!! these have a bug with their security module which essentially bricks them if you update past a certain point
Hmm. I planned to upgrade it to newest available IOS for this device, 15.0.2-SE11.
What kind of bricking are we talking about here? (Permanent or fixable)
I only found this:
Which should be fixed, and if not, I could just downgrade it back. Worst case scenario: I'll have to use xmodem instead of TFTP.
I can't remember the exact message, basically when we upgraded about 10 of ours, they wouldn't let us make any config changes past a certain point because they saw themselves as non genuine even though they are we've recently replaced all of our switching, I'll boot one of them up once I get in and check for you (+IOS version)
Do you remember if you could get to a rommon prompt? As long as console access is available you should've been able to upload replacement FW. I once had to use kermit or xmodem (I don't recall) @2400 bps to recover an AP by transferring new FW over the console cable (I'm not sure new APs even have a console port), but switches should be recoverable...the things you do, when you want to go home and not spend another day on site ๐คฃ
My only caution would be to ensure that you use the correct FW. IIRC -L means Lan Base not IP Services, but it should warn you that there isn't enough space, if that's the case