With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cvsVSLPortRxPeerInfoMismatchPkts
cvs VSL Port Rx Peer Info Mismatch Packets
1.3.6.1.4.1.9.9.388.1.3.3.1.13
The number of received packets with mismatched peer information for the port.
Back to CISCO-VIRTUAL-SWITCH-MIB MIB page.
IPHost Network monitor allows you to monitor cvsVSLPortRxPeerInfoMismatchPkts on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.