Cisco SX350 Series Administration Manual page 129

7 Administration: Stack Management
Unit ID Assignment
The following shows a case where two units manually assigned the same unit ID. Unit 1 does
not join the stack and is shut down. It did not win the master selection process between the
master-enabled units (1 or 2).
Duplicate Unit Shut Down
The following shows a case where one of the duplicate units (auto-numbered) is renumbered.
Duplicate Unit Renumbered
121 Cisco Sx350, SG350X, SG350XG, Sx550X & SG550XG Series Managed Switches, Firmware Release 2.2.5.x