Allied Telesis AlliedWare Plus - Figure 18: Trunk of Ports S1 and S2 for a Stack of Two Switches

x930 Series Installation Guide for Virtual Chassis Stacking
61
Figure 18. Trunk of Ports S1 and S2 for a Stack of Two Switches
Caution
The stack will not function if the connections to ports S1 and S2 do
not crossover on the switches. The switches will instead operate as
stand-alone devices.  E78