There's tree in Cat4000(IOS) MIB, that contains list of modules (with model name, s/n etc.). It looks like this (for module model, but the same goes for other info):$ snmpbulkwalk -m /dev/null -t 10 -v 2c -Osqn -Iu vdcs09c -c ******** .1.3.6.1.4.1.9....