With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cbdMemberInfoGroup
CISCO BRIDGE DOMAIN Member Info Group
1.3.6.1.4.1.9.9.642.2.2.2
This group contain information related to bridge domain members.
Back to CISCO-BRIDGE-DOMAIN-MIB MIB page.
IPHost Network monitor allows you to monitor cbdMemberInfoGroup on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.