With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
crcERSpanSessionType
crc ER Span Session Type
1.3.6.1.4.1.9.9.103.1.2.5.1.2
Defines the ERSPAN session type. This object may not be modified if the value of the corresponding instance of crcERSpanSessionRowStatus is active. 'eRSpanSource' refers to a session where traffic is copied from crcERSpanIFIndex of crcERSpanIFTable as source to crcERSpanIp as destination. 'eRSpanDestination' refers to a session where traffic is copied from crcERSpanIp as source to crcERSpanIFIndex of crcERSpanIFTable as destination.
Back to CISCO-RMON-CONFIG-MIB MIB page.
IPHost Network monitor allows you to monitor crcERSpanSessionType on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.