BLADE OS™ ISCLI Reference HP GbE2c L2/L3 Ethernet Blade Switch Version 5.1 Advanced Functionality Software

BLADE OS 5.1 ISCLI Reference
BMD00115, August 2009 Chapter 2: Information Commands
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RSTP/MSTP/PVRST Information
The following command displays RSTP/MSTP/PVRST information:
show spanning-tree stp <1-128> information
Command mode:
All
You can configure the switch software to use the IEEE 802.1w Rapid Spanning Tree Protocol
(RSTP), the IEEE 802.1s Multiple Spanning Tree Protocol (MSTP), or Per VLAN Rapid Spanning
Tree Protocol (PVRST).
If RSTP/MSTP/PVRST is turned on, you can view the following bridge information for the
Spanning Tree Group:.
Spanning Tree Group 1: On (RSTP)
VLANs: 1
Current Root: Path-Cost Port Hello MaxAge FwdDel
ffff 00:13:0a:4f:7d:d0 0 21 2 20 15
Parameters: Priority Hello MaxAge FwdDel Aging
61440 2 20 15 300
Port Prio Cost State Role Designated Bridge Des Port Type
---- ---- ---- ------ ---- ------------------- -------- ----
1 0 0 DSB
2 0 0 DSB
3 0 0 DSB
4 0 0 DSB
...
* = STP turned off for this port.
Table 28 RSTP/MSTP/PVRST Bridge Parameter Descriptions
Parameter Description
Current Root The Current Root shows information about the root bridge for the
Spanning Tree. Information includes the priority (in hexadecimal
notation) and the MAC address of the root.
Priority (bridge) The Bridge Priority parameter controls which bridge on the network will
become the STP root bridge.