With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpvlanVlanAssociatedPrimaryVlan
cpvlan Vlan Associated Primary Vlan
1.3.6.1.4.1.9.9.173.1.1.1.1.2
The VLAN ID of The associated primary VLAN used for the Private VLAN feature if cpvlanVlanPrivateVlanType has the value of isolated(3), community(4) or twoWayCommunity(5). If cpvlanVlanPrivateVlanType has the value of normal(1) or primary(2), then this object has the value of 0. Note that one isolated VLAN can only be associated with one unique primary VLAN. One primary VLAN can only be associated with one isolated VLAN. One primary VLAN can be associated with multiple VLANs of community or twoWayCommunity type; one community or twoWayCommunity VLAN can only be associated with one unique primary VLAN.
Back to CISCO-PRIVATE-VLAN-MIB MIB page.
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