Its the numbering of the switches in the stack.
The 3750 switches are Stackable.
So if you add another switch to the stack using the Stackwise Cable, you will see something like this.
switch 1 provision ws-c3750-24ts
switch 2 provision ws-c3750g-24t
Now if you want to remove the switch from the stack, you disconnect it and do a
"no switch 2 provision ws-c3750-24ts"
This will remove the port configurations for the second switch.
If you only have 1 switch, its normal to see this displayed.
CCIE 26175
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