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GS700TS Smart Switch Software Administration Manual
Configuring Switching Settings 4-32
v1.0, June 2009
The Advanced STP Configuration screen contains the following fields:
STP Configuration
• Spanning Tree State – Select the STP state on the device. The possible field values are:
– Disable – Disables STP on the device.
– Enable – Enables STP on the device. This is the default value.
• STP Operation Mode – Select the STP mode on the device. The possible field values are:
– STP – Enables STP on the device.
– RSTP – Enables Rapid STP on the device. This is the default value.
– MSTP – Enables Multiple STP on the device.
• Configuration Name – Enter the user-defined configuration name. The maximum length
is 32 characters.
• Configuration Revision Level – Defines an unsigned 16-bit number that identifies the
revision of the current STP configuration. The revision number is required as part of the
STP configuration. The possible field range is 0-65535.
• 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 – Indicates BPDUs are filtered.
– Flooding – Indicates BPDUs are flooded to all ports in the system. This is the default.
– Bridging – Indicates 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 format, such as 2 days 5 hours and 10 minutes.
• 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.