Creating an Eth-Trunk Interface in Manual 1:1 Master/Backup Mode

Before bundling physical interfaces into an Eth-Trunk interface, create this Eth-Trunk interface.

Run system-view
The system view is displayed.
Run interface eth-trunk trunk-id
An Eth-Trunk interface is created, and the Eth-Trunk interface view is displayed.
Run portswitch
The Eth-Trunk interface is switched to Layer 2 mode.
Run mode manual backup
The Eth-Trunk interface is configured to work in manual 1:1 master/backup mode.
Run commit
The configuration is committed.