17 spanning-tree mst priority, 18 spanning-tree portfast – Accton Technology ES4710BD User Manual
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ES4710BD 10 Slots L2/L3/L4 Chassis Switch
priority.
Example: Setting the priority for port 1/2 of instance1 to 32.
Switch(Config)#interface ethernet 1/2
Switch(Config-Ethernet1/2)#spanning-tree mst 1 port-priority 32
10.2.2.17 spanning-tree mst priority
Command: spanning-tree mst
no spanning-tree mst
Function: Sets the switch bridge priority of the specified instance; the “no spanning-tree mst”
restores the default priority value for the switch on the specified instance.
Parameters:
4096, 8192,… 61440.
Command mode: Global Mode
Default: The default switch priority is 32768.
Usage Guide: Bridge ID of the specified instance can be changed by setting switch priority,
therefore affecting the root bridge and designated port election for that instance. A smaller switch
bridge priority value means a higher priority.
Example: The default switch instance2 priority is 4096.
Switch(Config)#spanning-tree mst 2 priority 4096
10.2.2.18 spanning-tree portfast
Command: spanning-tree portfast
no spanning-tree portfast
Function: Sets the current port as an edge port; the “no spanning-tree portfast” command sets the
current port as a non-edge port.
Command mode: Port configuration Mode
Default: All ports are non-edge ports on initial MSTP start.
Usage Guide: When a port is configured as an edge port, it can switch from Discarding status to
Forwarding status instantly without the forward delay. Once BPDU frames are received on an edge
port, the port changes to a non-edge port automatically.
Example: Configuring port 1/5-6 to be edge ports.
Switch(Config)#interface ethernet 15-6
Switch(Config-Port-Range)#spanning-tree portfast