SMC Networks 6608M INT User Manual page 78

Spanning Tree Information Screen Items
Parameter
Hello Time
Forward Delay
Root Port
Topology Change The number of times a port has entered the forwarding state
Count
Time Since Last
Topolgy Change
Max Message Age The maximum time (in seconds) a device in the Spanning
Root
Root Cost
State
Designated Cost
Designated Bridge The priority and MAC address of the device through which
ID
Designated Port
Displays the rate (in seconds) at which hello frames are
generated.
The amount of time (in seconds) any port in the Spanning
Tree will wait before changing states (i.e., listening to
learning, etc.).
The port on the switch that communicates with the root
device of the Spanning Tree. If the switch is the root device,
then "No_Port" will appear in this field.
plus the number of times a port has changed from
forwarding to blocking.
The time since a port has entered the forwarding state or
changed from forwarding to blocking.
Tree can wait for a message before reconfiguring.
MAC address of the root device in the Spanning Tree.
The path cost from the switch's root port to the root device.
The current state of the port within the Spanning Tree:
Disabled - Port has been disabled or failed diagnostics.
Blocked - Port receives STP configuration messages,
but does not forward packets.
Listening - Port leaves Blocking state, transmits configur-
ation messages, but does not yet forward packets.
Learning - Port has transmitted configuration messages,
address table cleared, port begins learning addresses.
Forwarding - Port forwards packets and learns addresses.
The cost for a packet to go from this port to the root. The
slower the media, the higher the cost.
this port must communicate to reach the root.
The port on the designated bridge through which the
must communicate to reach the root.
CONFIGURATION AND MANAGEMENT
Description
switch
4-27