With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdsIfVlanRelayInfoOptCircuitIdEntry
CISCO DHCP SNOOPING If Vlan Relay Info Option Circuit Id Entry
1.3.6.1.4.1.9.9.380.1.3.5.1
Entry contains circuit-id information for a particular interface and VLAN.
Back to CISCO-DHCP-SNOOPING-MIB MIB page.
IPHost Network monitor allows you to monitor cdsIfVlanRelayInfoOptCircuitIdEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.
