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52 Rapier Switch User Guide
Rapier Switch Software Release 2.2.1
C613-02013-00 Rev A
Figure 14: Example output from the SHOW STP command.
STP Information
------------------------------------------------------------
Name .................. default
VLAN members .......... default (1)
marketing (3)
Status ................ ON
Number of Ports ....... 21
Number Enabled ...... 0
Number Disabled ..... 21
Bridge Identifier ..... 32768 : 00-00-cd-00-a9-a5
Designated Root ....... 32768 : 00-00-cd-00-a9-a5
Root Port ............. (n/a)
Root Path Cost ........ 0
Max Age ............... 20
Hello Time ............ 2
Forward Delay ......... 15
Switch Max Age ........ 20
Switch Hello Time ..... 2
Switch Forward Delay .. 15
Hold Time ............. 1
------------------------------------------------------------
Table 10: Parameters in the output of the SHOW STP command
Parameter Meaning
STP Name The name of the Spanning Tree Protocol entity.
VLAN members A list of the VLANs that are members of the STP. VLAN
Identifiers are shown in brackets.
Status The status of the STP; either ON or OFF.
Number of Ports The number of ports belonging to the STP.
Number Enabled The number of ports that have been enabled and are being
considered by the Spanning Tree Algorithm.
Number Disabled The number of ports that have been disabled and are not
being considered by the Spanning Tree Algorithm.
Bridge Identifier The unique Bridge Identifier of the switch. This parameter
consists of two parts, one of which is derived from the
unique Switch Address, and the other of which is the
priority of the switch.
Designated Root The unique Bridge Identifier of the bridge assumed to be
the Root.
Root Port The port number of the root port for the switch. If the
switch is the Root Bridge this parameter is not valid and is
not shown.
Root Path Cost The cost of the path to the Root from this switch. If the
switch is the Root Bridge this parameter is not valid and is
not shown.
Max Age The maximum age of received Configuration Message
information before it is discarded.
Hello Time The time interval between successive transmissions of the
Configuration Message information by a switch which is
the Root or which is attempting to become the Root.