With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cspanSessionEntry
Cisco Switched Port Analyzer Session Entry
1.3.6.1.4.1.9.9.363.1.1.2.1
A SPAN session entry. Each session consists of session number, session Administrative Status session OperationStatus, session InactiveReason (if the session OperationStatus is Inactive) and a rowStatus object to add/delete sessions. cspanSessionIndex is the Index of this table that identifies a session. To Add a session: 1. Specify the session to be added (cspanSessionIndex) 2. Set the cspanSessionRowStatus to createAndGo (4). To Delete a session: 1. Specify the session to be deleted (cspanSessionIndex). 2. Set the cspanSessionRowStatus to destroy (6). INDEX { cspanSessionIndex } ::= { cspanSessionTable 1 } CspanSessionEntry ::= SEQUENCE { cspanSessionIndex SessionIndex, cspanSessionDestIfIndex InterfaceIndex, cspanSessionAdminStatus INTEGER, cspanSessionOperStatus INTEGER, cspanSessionInactiveReason SnmpAdminString, cspanSessionRowStatus RowStatus } SYNTAX SessionIndex MAX-ACCESS not-accessible STATUS current DESCRIPTION An arbitrary value which identifies a session. The value of this index must be less than the value of cspanMaxSessions.
Back to CISCO-FC-SPAN-MIB MIB page.
IPHost Network monitor allows you to monitor cspanSessionEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.