Reference Guide

544 | Link Aggregation Control Protocol (LACP)
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Important Points about Shared LAG State Tracking
• This feature is available for static and dynamic LAGs.
• Only a LAG can be a member of a failover group.
• Shared LAG State Tracking can be configured on one side of a link or on both sides.
• If a LAG that is part of a failover group is deleted, the failover group is deleted.
• If a LAG moves to the down state due to this feature, its members may still be in the up state.
Note: The set of console messages shown in Message 1 appear only if Shared LAG State Tracking is
configured on that router (the feature can be configured on one or both sides of a link). For example, in
previous illustration, if Shared LAG State Tracking is configured on R2 only, then no messages appear on
R4 regarding the state of LAGs in a failover group.