Allied Telesis x530 Series - Introduction to Default Stacking Ports

Chapter 7: Building the Trunk with the Default SFP+ S1 and S2 10Gbps Stacking Ports
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Introduction
This chapter contains instructions for building the stack using the default
SFP+ S1 and S2 10Gbps ports as the trunk. The procedure does not
require any configuration steps because the stacking feature is enabled by
default. The default stacking ports are:
 x530-10GHXm: SFP+ ports 9/S1 and 10/S2
 x530-18GHXm: SFP+ ports 17/S1 and 18/S2
 x530-28GTXm, x530-28GPXm or x530-28GSX: SFP+ ports 27/S1
and 28/S2
 x530-52GTXm or x530-52GPXm: SFP+ ports 51/S1 and 52/S2
To build the stack, you cable the S1 and S2 ports and power on the
switches.
There are two procedures:
 To control the assignment of the switch ID numbers yourself,
perform “Powering On the Switches Sequentially” on page 133.
The numbers are assigned in the order in which you power on the
units.
 To have the switches assign the ID numbers automatically, perform
“Powering On the Switches Simultaneously” on page 136.
Caution
Do not change the ID numbers of the switches after beginning to
configure the parameter settings. Otherwise, the stack might assign
configuration settings to the wrong units.
Note
As explained in “Stack Trunks” on page 63, you can connect the
same ports together (e.g., S1 to S1 and S2 to S2) or you can cross
them over (e.g., S1 to S2 and S2 to S1). Allied Telesis recommends
the latter.