This is a bit of a moving target depending on what you want to use in LMS. Obviously, the CISCO-CONFIG-COPY-MIB objects along with tsMsgSend should be allowed. If using CiscoView this list can be quite extensive, and subject to change with new package versions.
However, I would caution you against using SNMPv3 with the 2950 series. If you do, User Tracking and the STP features of Campus Manager will no longer work. There is a known limitation in the code that runs on these switches that they do not support SNMP contexts, and thus there is no way to get per-VLAN MAC addresses from these switches.
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...