Shutting down an aggregate interface

Make sure no member port in an aggregation group is configured with the loopback command when you shut down the aggregate interface. Similarly, a port configured with the loopback command cannot be assigned to an aggregate interface already shut down. For more information about the loopback command, see Layer 2—LAN Switching Command Reference.

Shutting down or bringing up an aggregate interface affects the aggregation state and link state of ports in the corresponding aggregation group in the following ways:

When an aggregate interface is shut down, all Selected ports in the corresponding aggregation group become unselected and their link state becomes down.
When an aggregate interface is brought up, the aggregation state of ports in the corresponding aggregation group is recalculated.

To shut down an aggregate interface:

Step	Command
1. Enter system view.	system-view
2. Enter aggregate interface view.	Enter Layer 2 aggregate interface view:interface bridge-aggregation interface-number Enter Layer 3 aggregate interface or subinterface view:interface route-aggregation { interface-number \| interface-number.subnumber }
3. Shut down the aggregate interface.	shutdown

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Enabling BFD for an aggregation group	home	Restoring the default settings for an aggregate interface