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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.
Admin Edge
Controls whether the
operEdge
flag should start as set or cleared. (The initial
operEdge
state when a port
is initialized.)
Auto Edge
Controls whether the bridge should enable automatic edge detection on the bridge port. This allows
operEdge
to be derived from whether BPDUs are received on the port or not.
Restricted Role
If enabled, causes the port not to be selected as Root Port for the CIST or any MSTI, even if it has the best
spanning tree priority vector. Such a port will be selected as an Alternate Port after the Root Port has been
selected. If set, it can cause a lack of spanning tree connectivity. It can be set by a network administrator
to prevent bridges external to a core region of the network from influencing the spanning tree active
topology, possibly because those bridges are not under the full control of the administrator. This feature is
also known as
Root Guard
.
Содержание 560931
Страница 1: ...16 PORT PoE WEB MANAGED GIGABIT ETHERNET SWITCH WITH 2 SFP PORTS MODEL 560931 INT 560931 UM 10 14 01...
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Страница 31: ...31 4 4 1 2 Security Switch Privilege Level Configuration This page provides an overview of the privilege levels...
Страница 190: ...190 Note 2 While the firmware uploading process is started don t shut down the switch...
Страница 276: ...276 Cross D Abnormal cross pair coupling with pair D Length The length in meters of the cable pair...