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GS700AT Smart Switch Software Administration Manual
Configuring Switching Settings 4-32
v1.0, October 2008
To configure CST on the device:
1. Click Switching > STP > Advanced > CST Configuration. The CST Configuration screen
displays:
The CST Configuration screen contains the following fields:
CST Configuration
• Bridge Priority – Enter the bridge priority value. When switches or bridges are running
STP, each is assigned a priority. After exchanging BPDUs, the device with the lowest
priority value becomes the Root Bridge. The default value is 32768. The bridge priority
value is provided in increments of 4096.
• Hello Time – Enter the device Hello Time. The Hello Time indicates the amount of time
in seconds a Root Bridge waits between configuration messages. The default is 2 seconds.
• Max Age – Enter the device Maximum Age Time. The Maximum Age Time is the
amount of time in seconds a bridge waits before sending configuration messages. The
default Maximum Age Time is 20 seconds.
• Forward Delay – Enter the device Forward Delay Time. The Forward Delay Time is the
amount of time in seconds a bridge remains in a listening and learning state before
forwarding packets. The default is 15 seconds.
Designated Root
• Root Bridge ID – Displays the priority and MAC Address of the root bridge.
Figure 4-22