With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
crcERSpanIFIndex
crc ER Span IF Index
1.3.6.1.4.1.9.9.103.1.2.6.1.1
Defines the device interface's ifIndex. Mapped via crcERSpanSessionNo, if crcERSanSessionType from crcERSpanSessionTable has value of eRSpanSource(1), crcRSpanIFIndex is a copy source. If crcERSpanSessionType has value of eRSpanDestination(2), crcRSpanIFIndex is a copy destination.
Back to CISCO-RMON-CONFIG-MIB MIB page.
IPHost Network monitor allows you to monitor crcERSpanIFIndex 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.
