With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
lldpXMedLocMediaPolicyTagged
lldp X Med Loc Media Policy Tagged
1.0.8802.1.1.2.1.5.4795.1.2.1.1.6
A value of 'true' indicates that the application is using a tagged VLAN. A value of 'false' indicates that for the specific application the device either is using an untagged VLAN or does not support port based VLAN operation. In this case, both the VLAN ID and the Layer 2 priority fields are ignored and only the DSCP value has relevance
Back to LLDP-EXT-MED-MIB MIB page.
IPHost Network monitor allows you to monitor lldpXMedLocMediaPolicyTagged 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.
