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S
PANNING
T
REE
P
ROTOCOL
C
ONFIGURATION
2-53
STP Information
The Spanning Tree, STP Information
page contains information on
the current status of the Spanning Tree.
Command Attributes
•
Spanning Tree State
— Indicates if the Spanning Tree
Protocol is currently enabled on the switch.
•
Bridge ID
— Identifies a unique identifier for the switch in the
Spanning Tree. The ID is calculated using the defined Spanning
Tree priority of the switch and its MAC address. The lower the
Bridge ID, the more likely the switch will act as the root.
•
Max Age
— The maximum time (in seconds) the switch can
wait without receiving a configuration message before
attempting to reconfigure. All device ports (except for
designated ports) should receive configuration messages at
regular intervals. If the root port ages out STP information
(provided in the last configuration message), a new root port is
selected from among the device ports attached to the network.
(References to “ports” in this section means “interfaces,” which
includes both ports and trunks.)
•
Hello Time
— Specifies the time interval (in seconds) at which
the root device transmits a configuration message.
•
Forward Delay
— The maximum time (in seconds) the switch
will wait before changing states (i.e., discarding to learning to
forwarding). This delay is required because every device must
receive information about topology changes before it starts to
forward frames. In addition, each port needs time to listen for
conflicting information that would make it return to a
discarding state; otherwise, temporary data loops might result.
b_mgmt.book Page 53 Tuesday, July 8, 2003 5:24 PM
Summary of Contents for 8612T - annexe 1
Page 2: ......
Page 32: ...SWITCH MANAGEMENT 1 18 ...
Page 167: ...801 1X PORT AUTHENTICATION 2 135 ...
Page 168: ...CONFIGURING THE SWITCH 2 136 ...
Page 362: ...GLOSSARY Glossary 8 ...
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