JetStream  52-Port Gigabit Stackable L3 Managed Switch  CLI Guide 
 
Chapter 30  MSTP Commands 
MSTP (Multiple Spanning Tree Protocol), compatible with both STP and RSTP and subject to 
IEEE 802.1s, can disbranch a ring network. STP is to block redundant links and backup links as 
well as optimize paths. 
30.1  spanning-tree (global) 
Description 
The  spanning-tree  command is used to enable STP function globally. To 
disable the STP function, please use no spanning-tree command. 
Syntax 
spanning-tree 
no spanning-tree   
Command Mode 
Global Configuration Mode 
Example 
Enable the STP function: 
T3700G-52TQ(config)#spanning-tree 
30.2  spanning-tree (interface) 
Description 
The  spanning-tree  command is used to enable STP function for a port. To 
disable the STP function, please use no spanning-tree command. 
Syntax 
spanning-tree 
no spanning-tree   
Command Mode 
Interface Configuration Mode (interface fastEthernet / interface range 
fastEthernet / interface gigabitEthernet / interface range gigabitEthernet / 
interface ten-gigabitEthernet / interface range ten-gigabitEthernet / interface 
port-channel) 
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