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Allied Telesis AT-S100 User Manual

Page 65

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AT-S100 Management Software User’s Guide

65

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