Allied Telesis AlliedWare Plus Operating System Version 5.4.4C (x310-26FT,x310-26FP,x310-50FT,x310-50FP) - Manual (Page 539)

Spanning Tree Commands
Software Reference for x310 Series Switches
C613-50046-01 REV A AlliedWare Plus TM Operating System - Version 5.4.4C 19.49
spanning-tree mode
Use this command to change the spanning tree protocol mode on the switch. The
spanning tree protocol mode on the switch can be configured to either STP, RSTP or MSTP.
Syntax spanning-tree mode {stp|rstp|mstp}
Default The default spanning tree protocol mode on the switch is RSTP.
Mode Global Configuration
Usage With no configuration, the switch will have spanning tree enabled, and the spanning tree
mode will be set to RSTP. Use this command to change the spanning tree protocol mode
on the device. MSTP is VLAN aware, but RSTP and STP are not VLAN aware. To enable or
disable spanning tree operation, see the
spanning-tree enable command on page 19.38 .
Examples To change the spanning tree mode from the default of RSTP to MSTP, use the following
commands:
Related Commands spanning-tree enable
spanning-tree mst configuration
Use this command to enter the MST Configuration mode to configure the Multiple
Spanning-Tree Protocol.
Syntax spanning-tree mst configuration
Mode Global Configuration
Examples The following example uses this command to enter MST Configuration mode. Note the
change in the command prompt.
awplus# configure terminal
awplus(config)# spanning-tree mode mstp
awplus# configure terminal
awplus(config)# spanning-tree mst configuration
awplus(config-mst)#