With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
portCopyMaxEgressSessions
port Copy Max Egress Sessions
1.3.6.1.4.1.9.9.103.1.2.3
The maximum number of local egress SPAN sessions that can be configured on this agent.
Back to CISCO-RMON-CONFIG-MIB MIB page.
IPHost Network monitor allows you to monitor portCopyMaxEgressSessions on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.