ZyXEL Communications MES3500-24 用户手册
Chapter 13 Spanning Tree Protocol
MES3500-24/24F User’s Guide
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13.9 Multiple Spanning Tree Protocol Status
Click Advanced Application > Spanning Tree Protocol in the navigation panel to display the
status screen as shown next. See
status screen as shown next. See
for more information on MSTP.
Note: This screen is only available after you activate MSTP on the Switch.
Figure 65
Advanced Application > Spanning Tree Protocol > Status: MSTP
The following table describes the labels in this screen.
Table 34
Advanced Application > Spanning Tree Protocol > Status: MSTP
LABEL
DESCRIPTION
Configuration
Click Configuration to specify which STP mode you want to activate. Click MSTP to edit
MSTP settings on the Switch.
MSTP settings on the Switch.
CST
This section describes the Common Spanning Tree settings.
Bridge
Root refers to the base of the spanning tree (the root bridge). Our Bridge is this Switch.
This Switch may also be the root bridge.
This Switch may also be the root bridge.
Bridge ID
This is the unique identifier for this bridge, consisting of bridge priority plus MAC address.
This ID is the same for Root and Our Bridge if the Switch is the root switch.
This ID is the same for Root and Our Bridge if the Switch is the root switch.
Hello Time
(second)
(second)
This is the time interval (in seconds) at which the root switch transmits a configuration
message.
message.
Max Age (second)
This is the maximum time (in seconds) a switch can wait without receiving a
configuration message before attempting to reconfigure.
configuration message before attempting to reconfigure.
Forwarding Delay
(second)
(second)
This is the time (in seconds) the root switch will wait before changing states (that is,
listening to learning to forwarding).
listening to learning to forwarding).
Cost to Bridge
This is the path cost from the root port on this Switch to the root switch.