Allied Telesis AT-S80 - Manual (Page 248)

Chapter 23: Port Trunking
248 Section II: Using the Web Browser Interface
Modifying a Port Trunk
This procedure adds and removes ports from a port trunk.
Caution
Disconnect the cables from the ports of the trunk before you modify
the trunk. Leaving the cables connected can create a loop in the
network topology which, in turn, can cause a broadcast storm and
poor network performance.
Note
You cannot modify Trunk 7, which is reserved for the uplink ports. If
you want to use the uplink ports as a port trunk, activate Trunk 7 as
explained in “Enabling and Disabling a Port Trunk” on page 249.
To add or remove ports from a trunk, perform the following procedure:
1. From the Bridge folder, select Spanning Tree.
The Spanning Tree folder expands.
2. From the Spanning Tree folder, select Trunking.
The Trunking Page is shown in Figure 66 on page 246.
3. Click the status of the port trunk that you want to modify and change
the status from Enable to Disable.
Note
Allied Telesis recommends disabling a port trunk before adding or
removing ports.
4. Click Apply.
5. To add or remove a port from a trunk, click the dialog box for the port
in the corresponding trunk row. A check in a box indicates the port is a
member of the trunk. No check means the port is not a member.A port
trunk can contain up to eight ports.
6. Click Apply.
7. Modify the port trunk on the other switch and reconnect the cables.