With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dot3adAggPortAttachedAggID
dot3ad Agg Port Attached Agg ID
1.2.840.10006.300.43.1.2.1.1.13
The identifier value of the Aggregator that this Aggregation Port is currently attached to. Zero indicates that the Aggregation Port is not currently attached to an Aggregator. This value is read-only.
Back to IEEE8023-LAG-MIB MIB page.
IPHost Network monitor allows you to monitor dot3adAggPortAttachedAggID 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.