D-Link xStack DGS-3620 Reference Manual page 314

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch CLI Reference Guide
Restrictions
Only Administrator level users can issue this command.
Example
To show STP debug information:
DGS-3620-28PC:admin# debug stp show information
Command: debug stp show information
Spanning Tree Debug Information:
----------------------------------------
Port Status In Hardware Table:
Instance 0:
Port 1 :BLK Port 2 :BLK
Port 7 :FOR Port 8 :BLK
Instance 1:
Port 1 :BLK Port 2 :BLK
Port 7 :FOR Port 8 :BLK
--------------------------------------
Root Priority And Times :
Instance 0:
Designated Root Bridge
External Root Cost
Regional Root Bridge
Internal Root Cost
Designated Bridge
Designated Port
Message Age
Max Age
Forward Delay
Hello Time
Instance 1:
Regional Root Bridge
Internal Root Cost
Designated Bridge
Designated Port
Remaining Hops
--------------------------------------
Designated Priority And Times:
Instance 0:
Port 1 :
Designated Root Bridge
External Root Cost
Regional Root Bridge
Internal Root Cost
Designated Bridge
Designated Port
Message Age
Max Age
Forward Delay
Hello Time
Port 3 :BLK Port 4 :BLK
Port 9 :BLK Port 10:BLK
Port 3 :BLK Port 4 :BLK
Port 9 :BLK Port 10:BLK
: 32768/00-01-02-03-04-00
: 0
: 32768/00-01-02-03-04-00
: 0
: 32768/00-01-02-03-04-00
: 0
: 0
: 20
: 15
: 2
: 32769/00-01-02-03-04-00
: 0
: 32769/00-01-02-03-04-00
: 0
: 20
: 0 /00-00-00-00-00-00
: 0
: 0 /00-00-00-00-00-00
: 0
: 0 /00-00-00-00-00-00
: 0
: 0
: 20
: 15
: 2
309
Port 5 :BLK Port 6 :BLK
Port 11:BLK Port 12:BLK
Port 5 :BLK Port 6 :BLK
Port 11:BLK Port 12:BLK