With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
appnLsMltgMember
appn Link Station Mltg Member
1.3.6.1.2.1.34.4.1.1.5.1.1.45
Indicates whether the link is a member of a multi-link TG. If the link's TG has been brought up as a multi-link TG, then the link is reported as a member of a multi-link TG, even if it is currently the only active link in the TG.
Back to APPN-MIB MIB page.
IPHost Network monitor allows you to monitor appnLsMltgMember 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.