Brocade FastIron Ethernet Switch Stacking Configuration Guide - Manual (Page 21)

The following figure shows a fully connected linear stacked trunk topology.
FIGURE 6 ICX 6610 linear stack topology
The following figure shows a fully connected stacked trunk ring topology.
FIGURE 7 ICX 6610 ring stack topology
Traditional Stacking
FastIron Ethernet Switch Stacking Configuration Guide 19
53-1003090-02