I have a problem with compatibility between Cisco 2960 and GLC-FE-100FX. When I just installing the SFP, the port is err disabling.
SWITCH_Y3_A#sh interface status err
Port Name Status Reason
Gi0/1 100FX err-disabled gbic-invalid
According to compatibility matrix, everything os ok
Software on 2960 is 12.2 (35)
"Software on 2960 is 12.2 (35)"
12.2(35)FX? (I don't have access to 2960 software listing, so cannot determine if there's such a IOS version, but your posted table does describe 12.2(25)FX in the minimum software requirement.)
Unsure (in your case). On some switches, features are totally associated with the IOS installed and/or enabled/active licenses. On some switch models, the LAN Base models are "locked" such that they cannot be upgraded, at all, with additional features. (I believe when the latter is done, Cisco sets a larger price difference between the LAN Base and other models in the series, i.e. a feature of the non-LAN Base models, is you can upgrade them if you need to. [The LAN Base models, might also not have all the same hardware as their non-LAN Base models, too.])
Thanks @Joseph W. Doherty .
It is not very clear to me the question of superior software not having compatibility even having the hardware installed and functional, in this case the port (which I tested by connecting the two 2960s through two GLC-SX-MM on the SFP ports).
What I'm going to try to do is get the latest version with this suffix (FX) and install it. If you think I can handle it differently, let me know.
"What I'm going to try to do is get the latest version with this suffix (FX) and install it."
Worth trying. Unfortunately, as I mentioned in an earlier post, I was unable to "see" any 2960 software downloads, so I don't know what's actually available (if any, as your switch might be beyond end-of-support, and Cisco, I believe, now withdraws downloads for such [EoS] devices).
@Leo Laohoo , I apologize for taking up your time. We really don't have time for games here and I agree with your statement.
I currently have 2 threads open, as I understand that they are about two issues, one about gbic compatibility, which I posted in the section that I thought was most correct (optics) and the other about the connection of the 2955 with the 2960 that is in the section switching which I found more correct too.
Although the posts have some similar content, I've done this with the intention of keeping each thread in its proper place, and the community organized. If we can talk about a subject totally focused on optical compatibility in the switching section, as a begginer it's only fair to agree with you who are a legend in the community. And thank you for your proactive attitude.