Stack Group/Port Numbers
By default, each switch in Standalone mode is numbered stack-unit 0. Stack-unit numbers are assigned to
member switches when the stack comes up.
an MXL 10/40GbE Switch.
Figure 31-5. Stack Groups on an MXL 10/40GbE Switch
Configuring a Switch Stack
To configure and bring up a switch stack, follow these steps:
1. Connect the switches to be stacked with 40G direct attach or QSFP fibre cables.
2. Configure the stacking ports on each switch.
3. All switches must be booted together.
4. (Optional) Configure management priorities, unit numbers, or logical provisioning for stack units.
Figure 31-5
shows the stack-group numbers of 40GbE ports on
Stack Group 5 / Port 53
Stack Group 4 / Port 49
Stack Group 3 / Port 45
Stack Group 2 / Port 41
Stack Group 1 / Port 37
Stack Group 0 / Port 33
Stacking | 551