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GS700AT Series Smart Switch Software Administration Manual
Configuring Switching Settings 4-37
v1.0, March 2008
• Role – Displays the port role assigned by the STP algorithm to provide to STP paths. The
possible field values are:
– Root – Provides the lowest cost path to forward packets to the root switch.
– Designated – The port or LAG through which the designated switch is attached to the
LAN.
– Alternate – Provides an alternate path to the root switch from the root interface.
–Backup – Provides a backup path to the designated port path toward the Spanning
Tree leaves. Backup ports occur only when two ports are connected in a loop by a
point-to-point link, or when a LAN has two or more connections connected to a shared
segment.
– Disabled – The port is not participating in the Spanning Tree.
• Mode – Displays the current STP mode. The STP mode is selected in the STP
Configuration screen. The possible field values are:
– STP – Classic STP is enabled on the device.
– RSTP – Rapid STP is enabled on the device.
• Fast Link Operational Status – Displays the Fast Link status for the interface. If Fast
Link is enabled for a port, the port is automatically placed in the forwarding state. The
possible field values are:
– Enabled – Fast Link is enabled on the interface.
– Disabled – Fast Link is disabled on the interface.
• Status – Displays the RSTP status for the interface. The possible field values are:
– Enabled – RSTP is enabled on the interface.
– Disable – RSTP is disabled on the interface. This is the default value.
• Point-to-Point Admin Status – Select whether a point-to-point link is established, or if
the device is permitted to establish a point-to-point link. The possible field values are: