Default Stacking Values - Dell PowerConnect 8024 User Configuration Manual

Default Stacking Values

Stacking is always enabled. By default, the 10G SFP+ ports are in Ethernet
mode and must be configured to be used as stacking ports. Ports that are
configured in stacking mode show as "detached" in the output of the show
interfaces status command.
Configuring an Ethernet port as a stacking port changes the default
configuration of the port. The port stacking configuration does not show in
the running-config. To determine the stacking configuration of a port, use the
show switch stack-ports command.
NSF is enabled by default. You can disable NSF in order to redirect the CPU
resources consumed by data checkpointing. Checkpointing only occurs when
a backup unit is elected, so there is no need to disable the NSF feature on a
standalone switch. When a new unit is added to the stack, the new unit takes
the configuration of the stack, including the NSF setting.
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Managing a Switch Stack