With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dot3adTablesLastChanged
dot3ad Tables Last Changed
1.2.840.10006.300.43.1.3
This object indicates the time of the most recent change to the dot3adAggTable, dot3adAggPortListTable, or dot3adAggPortTable.
Back to IEEE8023-LAG-MIB MIB page.
IPHost Network monitor allows you to monitor dot3adTablesLastChanged 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.
