With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
appnLsStatusTgNum
appn Link Station Status Transmission Group Number
1.3.6.1.2.1.34.4.1.1.5.2.1.6
Number associated with the TG to this link station, with a range from 0 to 256. A value of 256 indicates that the TG number was unknown at the time of the failure.
Back to APPN-MIB MIB page.
IPHost Network monitor allows you to monitor appnLsStatusTgNum on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.