Cisco SX350 Series Administration Manual page 136

Administration: Stack Management
Stack Ports
Cisco Sx350, SG350X, SG350XG, Sx550X & SG550XG Series Managed Switches, Firmware Release 2.2.5.x
• When attempting to connect a unit to a stack whose topology is not a ring/chain (for
example, trying to connect a unit to more than two neighboring units - star topology),
only two stack LAGs can be active, the remainder of the stack ports are set to standby
mode (inactive).
Default Stack and Network Ports
All ports are configured as network ports by default.
Auto Selection of Port Speed
The stacking cable type is discovered automatically when the cable is connected to the port
(auto-discovery is the default setting). The system automatically identifies the stack cable type
and selects the highest speed supported by the cable and the port.
A SYSLOG message (informational level) is displayed when the cable type is not recognized.
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