Buffalo TeraStation User Manual page 77

To configure port trunking,
1
Connect LAN Port 1 on the TeraStation to a port on the switch.
2
In the Web Admin interface, navigate to [Network] - [Settings] - [Port Trunking].
3
Under [Port Trunking], click on [Modify Setiings].
4
Connect LAN Port 2 on the TeraStation to the switch.
5
Hold down the TeraStation's power button for 3 seconds to turn it off. P ress it again to restart the TeraStation.
Port Trunking is now configured.
TeraStation User Manual
Do not connect LAN Port 2 yet.
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