With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
portCopyReflectorPort
port Copy Reflector Port
1.3.6.1.4.1.9.9.103.1.2.1.1.9
Indicates the reflector port of this SPAN session. The value of this object is ignored whenever the value of portCopySessionType is not remoteSource(3).
Back to CISCO-RMON-CONFIG-MIB MIB page.
IPHost Network monitor allows you to monitor portCopyReflectorPort 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.