With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
crcSpanSharedDestination
crc Span Shared Destination
1.3.6.1.4.1.9.9.103.1.6.3
The number of maximum shared span destination sessions.
Back to CISCO-RMON-CONFIG-MIB MIB page.
IPHost Network monitor allows you to monitor crcSpanSharedDestination on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.