ZyXEL Communications ES-2024 Series User Manual
Page 106

Chapter 11 Spanning Tree Protocol
ES-2024 Series User’s Guide
106
Figure 48 Advanced Application > Spanning Tree Protocol > Status: MSTP
The following table describes the labels in this screen.
Table 26 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.
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.
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.
Hello Time
(second)
This is the time interval (in seconds) at which the root switch transmits a
configuration message.
Max Age (second) This is the maximum time (in seconds) a switch can wait without receiving a
configuration message before attempting to reconfigure.
Forwarding Delay
(second)
This is the time (in seconds) the root switch will wait before changing states (that
is, listening to learning to forwarding).
Cost to Bridge
This is the path cost from the root port on this Switch to the root switch.