With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
vlanTrunkPortVlansRcvJoined4k
vlan Trunk Port Vlans Rcv Joined4k
1.3.6.1.4.1.9.9.46.1.6.1.1.28
A string of octets containing one bit per VLAN for VLANS with VlanIndex values of 3072 through 4095 in the management domain on this trunk port. The first octet corresponds to VLANs with VlanIndex values of 3072 through 3079; the second octet to VLANs 3080 through 3087; etc. The most significant bit of each octet corresponds to the lowest value VlanIndex in that octet. If the bit corresponding to a VLAN is set to '1', then the local switch is currently sending joins for this VLAN on this trunk port, i.e., it is asking to receive frames for this VLAN; if the bit is set to '0', then the local switch is not currently sending joins for this VLAN on this trunk port.
Back to CISCO-VTP-MIB MIB page.
IPHost Network monitor allows you to monitor vlanTrunkPortVlansRcvJoined4k on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.
