ZyXEL Communications XMG1915 Series User Manual page 252

Figure 174 SWITCHING > Spanning Tree Protocol > Spanning Tree Protocol Status: MSTP
The following table describes the labels in this screen.
Table 135 SWITCHING > Spanning Tree Protocol > Spanning Tree Protocol Status: MSTP
LABEL DESCRIPTION
CST
This section describes the Common Spanning Tree settings.
Bridge Root Bridge 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 Bridge and Our Bridge if the Switch is the root switch.
Hello Time This is the time interval (in seconds) at which the root switch transmits a configuration
(seconds) message. The root bridge determines Hello Time, Max Age and Forwarding Delay.
Max Age This is the maximum time (in seconds) the Switch can wait without receiving a configuration
(seconds) message before attempting to reconfigure.
Forwarding Delay This is the time (in seconds) the root switch will wait before changing states (that is, listening to
(seconds) learning to forwarding).
Cost to Bridge This is the path cost from the root port on this Switch to the root switch.
Port ID This is the priority and number of the port on the Switch through which this Switch must
communicate with the root of the Spanning Tree.
Configuration This field displays the configuration name for this MST region.
Name
Revision Number This field displays the revision number for this MST region.
Chapter 45 Spanning Tree Protocol
XMG1915 Series User's Guide
252