With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cvsVSLTxProtoPkts
cvs VSL Tx Proto Packets
1.3.6.1.4.1.9.9.388.1.3.2.1.10
The number of transmitted protocol packets, such as ISSU's (In Service software Upgrade) protocol.
Back to CISCO-VIRTUAL-SWITCH-MIB MIB page.
IPHost Network monitor allows you to monitor cvsVSLTxProtoPkts 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.