With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdot1agLtrEgressPortIdSubtype
Cisco IEEE 802.1ag Ltr Egress Port Id Subtype
1.3.6.1.4.1.9.9.604.1.7.2.1.19
Format of the egress Port ID.
Back to CISCO-IEEE-CFM-MIB MIB page.
IPHost Network monitor allows you to monitor cdot1agLtrEgressPortIdSubtype 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.