Allied-telesis AT-S100 Manual do Utilizador descarregar pdf (Página 65)

AT-S100 Management Software User’s Guide

The following commands set the spanning-tree priority on the switch to

8,192:

switch#configure terminal

switch(config)#spanning-tree priority 8192

For more information about this command, see “SPANNING-TREE

PRIORITY” on page 255.

Setting the Max Age

The max-age is the maximum time, in seconds, which a message is

considered valid (if a bridge is the root bridge). This setting prevents the

frames from looping indefinitely. This value is used by all instances.

The syntax of this command is:

spanning-tree max-age (6-40)

The following commands set the max-age time for the bridge to 30

seconds:

switch#configure terminal

switch(config)#spanning-tree max-age 30

For more information about this command, see “SPANNING-TREE MAX-

AGE” on page 251

Setting the Forward Time

Use the SPANNING-TREE FORWARD-TIME command to set the time,

after which each interface changes to the learning and forwarding states (if

this bridge is the root bridge). This value is measured in seconds and it is

used by all instances. The syntax of this command is:

spanning-tree forward-time (4-30)

The following commands set the forward delay time to 10 seconds:

switch#configure terminal

switch(config)#spanning-tree forward-time 10

For more information about this command, see “SPANNING-TREE

FORWARD-TIME” on page 249.

Setting the Hello Time

The hello-time is the time, in seconds, after which all the bridges in a

bridged LAN exchange Bridge Protocol Data Units (BPDUs). For this to

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Allied-telesis AT-S100 Manual do Utilizador Página 65