show switch: Displays stack membership and status.
show switch detail: Provides detailed stack information.
switch X renumber Y: Changes a switch member number.
switch X priority Y: Changes the priority for master election
DO NOT CONNECT STACK CABLES
MASTER
show switch
conf t
switch 1 priority 15
switch 1 provision WS-C3650-48PD
SLAVE
switch 1 priority 1
CONNECT STACK CABLES AND POWER ON SWITCH2