With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dmTable
Cisco Domain Management Table
1.3.6.1.4.1.9.9.302.1.1.1
This table contains Domain Manager related parameters which can be configured and monitored. There is one entry for each of the VSANs configured on this switch. An entry will be created whenever a VSAN is created on the switch. The entry will be removed when the corresponding VSAN is deleted.
Back to CISCO-DM-MIB MIB page.
IPHost Network monitor allows you to monitor dmTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.