Allied Telesis AlliedWare Plus - Stack Trunks

x930 Series Installation Guide for Virtual Chassis Stacking
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Stack Trunks
The switches in a stack are connected by a trunk that consists of two or
more ports on each device. The x930 Switches support the following four
types of trunks:
 “Trunks of Ports S1 and S2” on page 60
 “Trunks of AT-StackQS Cards” on page 64
 “Trunks of Copper 10/100/1000Mbps Ports” on page 67
 “Trunks of SFP Ports on AT-x930-28GSTX Switches” on page 69
The front-panel ports S1 and S2 are the default trunk ports, except if the
switches contain AT-StackQS Cards, in which case their ports are the
default trunk ports.