Linksys Etherfast User Manual

Page 40

EtherFast

Managed 24-Port with Dual Gigabit Switch

• Root Cost - The path cost from the root port on this Switch to the root

device.

• Root Port - The number of the port on this Switch that is closest to the

root. This Switch communicates with the root device through this port. If
there is not root port, then this Switch has been accepted as the root
device of the Spanning Tree network.

• Configuration Changes - The number of times the Spanning Tree has

been reconfigured.

• Topology Up Time - The time since the Spanning Tree was last recon-

figured.

Select OK to return to the previous panel.

Spanning Tree Port Information

The STA Port Information screen displays a summary of STA information
for the various ports.

• Type - Shows port type as:

100TX 10BaseT/100Base-TX
1000T

1000Base-T

EtherFast

Series

Spanning Tree Bridge Information

The STA Bridge Information screen displays a summary of STA informa-
tion for the overall bridge.

• Priority - Device priority is used in selecting the root device, root port,

and designated port. The device with the highest priority becomes the
STA root device. However, if all devices have the same priority, the
device with the lowest MAC address will then become the root device.

• Hello Time - The time interval (in seconds) at which the root device

transmits a configuration message.

• Max Age - The maximum time (in seconds) a device can wait without

receiving a configuration message before attempting to reconfigure.

• Forward Delay - The maximum time (in seconds) the root device will

wait before changing states (i.e., listening to learning to forwarding).

• Hold Time - The minimum interval between the transmission of consec-

utive Configuration BPDUs.

• Designated Root - The priority and MAC address of the device in the

Spanning Tree that this switch has accepted as the root device.