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GS700AT Series Smart Switch Software Administration Manual
4-32 Configuring Switching Settings
v1.0, March 2008
– STP – Enable classic STP on the device.
– RSTP – Enable Rapid Spanning Tree (RSTP) on the device.
• BPDU Handling – Select the method of handling STP BPDUs (Bridge Protocol Data
Units) when STP is disabled on the device or interface. The possible field values are:
– Filtering – BPDUs are filtered. This the default.
– Flooding – BPDUs are flooded to all ports in the system.
– Bridging – BPDUs are bridged to all ports in the VLAN.
Status
• Bridge Identifier – Displays the Bridge priority and MAC address.
• Time Since Topology Change – Displays the amount of time that has elapsed since the
bridge was initialized or reset, and the last topographic change that occurred. The time is
displayed in a day-hour-minute-second format, such as 2 days 5 hours 10 minutes and 4
seconds.
• 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 a Root Bridge 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. If you selected Disable in the Spanning Tree State field, select the BPDU Handling mode
from the list in the provided field.
5. Click Apply to update the device.