Specifically, under "New Features" (for Release 5.5, November 2009) you should see the line "Catalyst 2960 switches (WS-C2960-48PST-S, WS-C2960-24PC-S, WS-C2960-24LC-S, and WS-C2960-48PST-L)". Absence of any reference to the 2960S models implies that they are not supported on the current CNA release.
I have the same issues with c2960S switches. I have loaded them with the latest IOS, but still no luck. Also, I have raised a ticket with Cisco Technical support, and learned that CNA version 5.5 isnt supporting c2960S. We have to wait untill 5.6 which was due now, but is postponed to next year.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...