With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cvsVSLRxProtoPkts
cvs VSL Rx Proto Packets
1.3.6.1.4.1.9.9.388.1.3.2.1.16
The number of received ISSU's protocol packets.
Back to CISCO-VIRTUAL-SWITCH-MIB MIB page.
IPHost Network monitor allows you to monitor cvsVSLRxProtoPkts on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.