Chapter 7: Building the Trunk with the Default 10Gbps Stacking Ports
144
Powering On the Switches Individually
This procedure explains how you can control the assignment of the ID
numbers of the switches by powering on the units one at a time during the
initial power-on sequence. The first switch is assigned ID number 1, the
next unit is assigned ID number 2, and so on. This procedure is useful
when the switches are installed in the same equipment rack and you want
to number them in sequence, such as from top to bottom, to make them
easier to identify. After the ID numbers are assigned, the switches retain
their assignments even if you power off or reset the stack.
During the first power on sequence, the first switch to be powered on
becomes the master switch of the stack. However, If you do not change
the priority values of the units, the next time you reset or power cycle the
stack the units use their MAC addresses to select the master switch. This
might result in a different switch being assigned that role. However, this
does not affect their ID number assignments, the configuration of the
switches, or the manner in which you manage the stack.
This procedure assumes the following:
This is the initial power-on sequence of the stack.
You cabled ports on the switches to form the stack trunk.
– GS980MX/10HSm ports 9 and 10
– GS980MX/18HSm ports 17 and 18
– GS980MX/28 and GS980MX/28PSm ports 27 and 28
– GS980MX/52 and GS980MX/52PSm ports 51 and 52
The ID numbers are set to the default 1.
All the switches are powered off.
To monitor the power on sequence, you can connect a terminal or
computer with a terminal emulator program to the Console port on the
switch you intend to power on first. The messages are shown in
“Monitoring the Initialization Processes” on page 158.
Before powering on the switch, refer to “Power Specifications” on
page 249.
To power on the stack for the first time and control the assignment of the
ID numbers, perform the following procedure:
1. If you have not already cabled the default trunk ports do so now. For
background information, refer to “Stack Trunks” on page 63. For
cabling instructions, refer to Chapter 10, “Cabling the Networking
Ports” on page 231.
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