3 port parameters, 4 configurable port options – CANOGA PERKINS 9140 Four-Port SNMP Managed Fast Ethernet Switch User Manual

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Figure

. Global Spanning Tree

Parameters Menu.

Port Spanning Tree Parameters can be viewed from the Port Spanning Tree screen. From this screen you
can view and configure certain Port Spanning Tree Parameters. See Figure 5-

5.2.2.3 Port Parameters

•

State: this is the state of the Spanning Tree within the unit in reference to the network configuration,
priorities and which unit is Root. Some of the possible states are:

•

Blocked: the packets are not forwarded to the next unit in the network tree.

•

Listening: the Port is listening for a valid signal within the network tree.

•

Learning: the Switch is still learning the Spanning Tree topology of the network.

•

Forwarding: the Bridge has learned the Spanning Tree topology and will forward data to the next
Port or Bridge in the tree.

•

Disabled: the Port is disabled and will not forward data to the next Port or Bridge in the tree.

•

Designated Root: Root Bridge, or Bridge with the highest priority in the network.

•

Designated Cost: the distance, or cost in time, of the unit or port as calculated by the Bridge in
relation to the Root Bridge.

•

Designated Bridge: the Bridge with which the designated Root will report to.

5.2.2.4 Configurable Port options

•

Change Port: select the desired Port in which to view or configure the parameters.

•

Priority: priority of the Port where the lowest number has the higher priority.

•

Path Cost: a configurable Path Cost, or cost in time, for the designated Port.

Formatted