With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpvlanTrunkPortEncapOperType
cpvlan Trunk Port Encap Operational Type
1.3.6.1.4.1.9.9.173.1.2.4.1.13
The type of VLAN encapsulation in use on this private vlan trunk port. dot1Q(1) indicates that the port accepts and transmits packets with IEEE 802.1q VLAN encapsulation isl(2) indicates that the port accepts and transmits packets with Inter Switch Link (ISL) VLAN encapsulation If the cpvlanTrunkPortDynamicStatus is notTrunking(2) or if the encapsulation type negotiation has not been completed, the object is set to notApplicable(3).
Back to CISCO-PRIVATE-VLAN-MIB MIB page.
IPHost Network monitor allows you to monitor cpvlanTrunkPortEncapOperType 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.
