Spanning Tree Information - HP 438031-B21 - 1:10Gb Ethernet BL-c Switch Cli Reference Manual

Spanning Tree information

The following table describes the Spanning Tree Protocol (STP) information commands.
Table 22 STP information commands
Command
show spanning-tree stp <1-128>
show spanning-tree stp <1-128> bridge
show spanning-tree [<1-128>] information
The following command displays Spanning Tree information:
show spanning-tree stp <1-128> information
Command mode: All
------------------------------------------------------------------
upfast disabled, update 40
------------------------------------------------------------------
Spanning Tree Group 1: On (STP/PVST+)
VLANs: 1
Current Root:
8000 00:02:a5:d1:0f:ed
Parameters:
Port
----
1
2
3
The switch software uses the IEEE 802.1d Spanning Tree Protocol (STP). If RSTP/MSTP is turned on, see
the "Rapid Spanning Tree information" section for Spanning Tree Group information. In addition to
seeing if STP is enabled or disabled, you can view the following STP bridge information:
Status of Uplink Fast (upfast)
Current root MAC address
Path cost
Port
Hello interval
Maximum age value
Forwarding delay
Aging time
Path-Cost
Priority Hello
32768 2
Priority Cost FastFwd
-------- ---- --------
0 0 n
0 0 n
0 0 n
Usage
Displays information about the spanning tree group.
Command mode: All
Displays STP bridge information.
Command mode: All
Displays STP information.
Command mode: All
Port Hello MaxAge FwdDel
8 20 2
MaxAge FwdDel Aging
20 15 180
State Designated Bridge
---------- ------------------- -------
FORWARDING *
FORWARDING *
FORWARDING *
Information Commands
20 15
Des Port
36