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GS700TP Smart Switch Software Administration Manual
Configuring Switching Settings 4-29
v1.0, December 2007
• Designated Root – Displays the Root Bridge priority and MAC address.
• Root Port – Indicates the port number that offers the lowest cost path from this bridge to
the Root Bridge. This field is significant when the bridge is not the Root Bridge. The
default is zero.
• Max Age (Sec) – Displays 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 (Sec) – Displays 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.
• Hello Time (Sec) – Displays the device Hello Time. The Hello Time indicates the amount
of time in seconds. The device waits between configuration messages. The default is 2
seconds.
2. Select Enable or Disable in the Spanning Tree State provided field.
3. Select the STP Operation Mode in the provided field.
4. Click Apply to update the device.
CST Configuration
The Common Spanning Tree (CST) describes the topology connecting STP/RSTP Bridges and
MSTP regions.