ZyXEL Communications RGS Series, User Manual

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5.3.47 CIST Ports
This page allows the user to inspect the current STP CIST port configurations, and possibly change them as
well.
This page contains settings for physical and aggregated ports.
Object Description
Port The switch port number of the logical STP port.
STP Enabled Controls whether STP is enabled on this switch port.
Path Cost Controls the path cost incurred by the port. The
Auto
setting will set the path cost as
appropriate by the physical link speed, using the 802.1D recommended values. Using
the
Specific
setting, a user-defined value can be entered. The path cost is used
when establishing the active topology of the network. Lower path cost ports are
chosen as forwarding ports in favor of higher path cost ports. Valid values are in the
range 1 to 200000000.
Priority Controls the port priority. This can be used to control priority of ports having identical
port cost. (See above).
operEdge (state flag)
Operational flag describing whether the port is connecting directly to edge devices.
(
No Bridges attached). Transition to the forwarding state is faster for edge ports
(having operEdge true ) than for other ports. The value of this flag is based on
AdminEdge and AutoEdge fields. This flag is displayed as Edge in Monitor->Spanning
Tree -> STP Detailed Bridge Status.
AdminEdge Controls whether the operEdge flag should start as set or cleared. (The initial
operEdge state when a port is initialized).
AutoEdge Controls whether the bridge should enable automatic edge detection on the bridge