With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cvsChassisRole
cvs Chassis Role
1.3.6.1.4.1.9.9.388.1.2.2.1.2
This object indicates the role of this chassis in the virtual switch architecture.
Back to CISCO-VIRTUAL-SWITCH-MIB MIB page.
IPHost Network monitor allows you to monitor cvsChassisRole on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.