Cisco Catalyst 2928 Software Configuration Manual page 591

Chapter 32 Configuring EtherChannels
Displaying EtherChannel, PAgP, and LACP Status
You can clear LACP channel-group information and traffic counters by using the clear lacp
{channel-group-number counters | counters} privileged EXEC command.
For detailed information about the fields in the displays, see the command reference for this release.
Catalyst 2928 Switch Software Configuration Guide
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