Cisco 500 Series Quick Start Manual page 11

The default stack ports on the 500X are XG3/S1 and
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XG4/S2. If the correct module is plugged into XG3/S1 and
XG4/S2, the switch should be able to detect the connection
and configure the speed according to the module capability
without any manual configuration. The 5G/S1 and 5G/S2
interfaces on the 500X need to be configured manually via
the CLI or web-based interface in order to utilize these ports
as stack ports.
The default stack ports on the 500 are S3 and S4. If the
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correct module is plugged into S3 and S4, the switch should
able to detect the connection and configure the speed
according to the module capability without any manual
configuration. The S1 and S2 interfaces on the 500 need to be
configured manually via the CLI or web-based interface in
order to utilize these ports as stack ports.
Any of the ports on the
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stack port.
The stack ports must be either configured with the same port
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speed or have the same speed capability on the module/cable
plug in. If the port speed is configured as auto, then the module
plugged into these two ports will need to have the same speed
capability, otherwise the switch will not be able to form as a
stack with multiple units.
By default, the switch is in stack mode with a stack Unit ID automatically
assigned. A stack can have up to eight 500 series switches in it.
Switches in the same stack are connected together through their stack
ports. Depending on the type of stack ports and the desired speed, you
may need regular Cat5 or better Ethernet cables and/or Cisco approved
modules or cables for the 500 Series switches.
The default stack ports on a switch function as regular Ethernet ports only
by configuring them to do so, or if the switch is configured to operate in
standalone mode. You cannot mix the stack speeds between the switches
or ports.
If you manually assign a Unit ID to one unit, you should manually assign Unit
all
IDs to units. Using both system-assigned and manually-assigned IDs in
your network can impact system performance.
500 Series Stackable Managed Switches
SG500XG-8F8T switch can be used as a
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