With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
crcERSpanIFOptionGroup
crc ER Span IF Option Group
1.3.6.1.4.1.9.9.103.3.2.17
Providing additional port copy configuration extensions for agent that supports ingress traffic at destination port for the ERSPAN session.
Back to CISCO-RMON-CONFIG-MIB MIB page.
IPHost Network monitor allows you to monitor crcERSpanIFOptionGroup 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.