Brocade Communications Systems ICX 6610 Installation Manual page 50

Connecting devices in a mixed stack
FIGURE 38 Topology 1: Single ring
Topology 2: Dual ring
In the following figure, two ICX 6610 devices form the backbone, and there are six ICX 6450 peripheral devices in two rings. This is a
dual ring configuration.
The first ICX 6610 device is connected to the last ICX 6450 device in the "vertical" ring. The backbone devices are also connected to the
first and last ICX 6450 devices in the "horizontal" ring.
There are two substacks, each containing three peripheral devices.
Brocade ICX 6610 Stackable Switch Hardware Installation Guide
50 53-1003620-03