With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
vlanTrunkPortVlansActiveSecond2k
vlan Trunk Port Vlans Active Second2k
1.3.6.1.4.1.9.9.46.1.6.1.1.31
A string of octets containing one bit per VLAN with VlanIndex values of 2048 through 4095. If the bit corresponding to a VLAN is set to 1, it indicates that vlan is allowed and active in management domain. If the bit corresponding to a VLAN is set to 0, it indicates that vlan is not allowed or not active in management domain.
Back to CISCO-VTP-MIB MIB page.
IPHost Network monitor allows you to monitor vlanTrunkPortVlansActiveSecond2k on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.
