Avaya P330-ML-ML Manuel D’Utilisation

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Chapter 2        Avaya P330-ML Layer 2 CLI Commands
Avaya P330-ML Reference Guide
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set spantree default-path-cost
User level: privileged, supervisor.
Use the set spantree default-path-cost command to set the version of the 
spanning tree default path costs that are to be used by this bridge.
The syntax for this command is:
set spantree default-path-cost <path-cost>
Example:
set spantree disable
User level: privileged, supervisor.
Use the set spantree disable command to disable the spanning-tree 
algorithm for the switch.
L When you disable STP, blocking ports are disabled in order to prevent loops in 
the network. As a result, you need to wait 30 seconds before disabling STP if 
you reset the switch, enable STP, or insert a new station. 
The syntax for this command is:
set spantree disable 
Example:
set spantree enable
User level: privileged, supervisor.
Use the set spantree enable  command to enable the spanning-tree algorithm 
for the switch.
L When you disable STP, blocking ports are disabled in order to prevent loops in 
the network. As a result, you need to wait 30 seconds before disabling STP if 
you reset the switch, enable STP, or insert a new station. 
path-cost
  common-spanning-tree - compatible with ieee802.1D standard
  rapid-spanning-tree - compatible with ieee802.1W standard
P330-N# set spantree default-path-cost rapid-spanning-tree
Spanning tree default path costs is set to rapid spanning 
tree.
P330-N# set spantree disable
bridge spanning tree disabled.