Allied-telesis AT-FS970M Series Manual do Utilizador descarregar pdf (Página 147)

AT-FS970M Series Version 2.3.1.0 Web Interface User’s Guide

147

 Hello Time— Enter the hello time in seconds. The hello time is the

frequency that the switch sends bridge protocol data units

(BPDUs), which contain spanning tree configuration information.

The range is 1 to 10 seconds.

This value is active only when the switch is acting as the root

bridge of the spanning tree domain. Switches that are not acting as

the root bridge use a dynamic value supplied by the root bridge.

 Forward Delay— Enter the forward delay time in seconds. The

forward delay specifies how long the ports remain in the listening

and learning or discarding states before they transition to the

forwarding state. The range is 4 to 30 seconds.

This value is active only when the switch is acting as the root

bridge of the spanning tree domain. Switches that are not acting as

the root bridge use a dynamic value supplied by the root bridge.

 Max Age— Enter the max age in seconds. The max age

determines how long BPDUs are stored by the switch before they

are deleted. The default setting is 20 seconds. The range is 6 to 40

seconds.

This value is active only when the switch is acting as the root

bridge of the spanning tree domain. Switches that are not acting as

the root bridge use a dynamic value supplied by the root bridge.

 BPDU Guard— Enable or disable the BPDU guard feature on the

switch. When the BPDU guard feature is enabled on the switch, the

switch monitors edge ports and disables them if they receive

BPDU packets.

3. Click Apply.

4. Click SAVE

to save your changes to the startup configuration file.

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Allied-telesis AT-FS970M Series Manual do Utilizador Página 147