Command: debug stp config ports all all state brief 
 
 Warning: only support local device. 
 
Success. 
 
DGS-3120-24TC:admin# 
 
47-2  debug stp show information 
Description 
This command is used to display STP detailed information, such as the hardware tables, the STP 
state machine, etc. 
 
Format 
debug stp show information 
 
Parameters 
None. 
 
Restrictions 
Only Administrator-level users can issue this command. 
 
Example 
To show STP debug information: 
Command: debug stp show information 
 
Warning: only support local device. 
Spanning Tree Debug Information: 
---------------------------------------- 
Port Status In Hardware Table: 
Instance 0: 
Port 1:1 : FOR  Port 1:2 : FOR  Port 1:3 : FOR  Port 1:4 : FOR  Port 1:5 : FOR  
Port 1:6 : FOR   
Port 1:7 : FOR  Port 1:8 : FOR  Port 1:9 : FOR  Port 1:10: FOR  Port 1:11: FOR  
Port 1:12: FOR   
Port 1:13: FOR  Port 1:14: FOR  Port 1:15: FOR  Port 1:16: FOR  Port 1:17: FOR  
Port 1:18: FOR   
Port 1:19: FOR  Port 1:20: FOR  Port 1:21: FOR  Port 1:22: FOR  Port 1:23: FOR  
Port 1:24: FOR   
-------------------------------------- 
Root Priority And Times: 
Instance 0: 
 Designated Root Bridge : 32768/00-01-70-33-21-02