Allied Telesis AT-S63 - Manual (Page 102)

Chapter 8: Port Trunking
102 Section I: Basic Features
1000 Mbps. If the other ports in the trunk are operating at a different
speed, port trunking may be unpredictable. Because of these port
speed variables, Allied Telesyn suggests that you not include port
23R or 24R in a port trunk.
7. Click Apply.
The new port trunk is now active on the switch.
8. To permanently save the change, return to the General tab on the
System page and click Save Changes.
For more information about what the Save Changes button does,
refer to ”Saving Your Parameter Changes” on page 36.
9. Configure the ports on the remote switch for port trunking.
10. Connect the cables to the ports of the trunk on the switch.
The port trunk is ready for network operations.