CONNECTING SWITCHES IN A STACK

4.(Optional) To form a wrap-around topology, plug one end of a stack cable into the Down port on the bottom unit and the other end into the Up port on the top unit.

Up

Down

Up

Down

Up

Down

Up

Down

Figure 3-7 Making Stacking Connections

5.Select the Master unit in the stack by pressing the Master button in on only one of the switches. Only one switch in the stack can operate as the Master, all other units operate in slave mode. If more than one switch in the stack is selected as Master, or if no switches are selected, the system will select the unit with the lowest MAC address as the

Master.

3-11

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SMC Networks SMC8748ML3, SMC8724ML3 manual Making Stacking Connections