Spanning-Tree - Alcatel OmniStack LS 6248 User Manual

Command Function
spanning-tree mst Configures the number of hops in an MST region before the BPDU
max-hops is discarded and the port information is aged out. To return to the
default configuration, use the no form of this command.
spanning-tree mst Configures port priority for the specified MST instance. To return
port-priority to the default configuration, use the no form of this command.
spanning-tree mst Configures the path cost for multiple spanning tree (MST)
cost calculations. If a loop occurs, the spanning tree considers path
cost when selecting an interface to put in the forwarding state. To
return to the default configuration, use the no form of this
command.
spanning-tree mst Enables configuring an MST region by entering the Multiple
configuration Spanning Tree (MST) mode.
instance (mst) Maps VLANS to an MST instance.
name (mst) Defines the configuration name. To return to the default setting,
use the no form of this command.
revision (mst) Defines the configuration revision number. To return to the default
configuration, use the no form of this command.
show (mst) Displays the current or pending MST region configuration.
exit (mst) Exits the MST configuration mode and applies all configuration
changes.
abort (mst) Exits the MST configuration mode without applying the
configuration changes.
spanning-tree guard Enables root guard on all spanning tree instances on the interface.
root Root guard prevents the interface from becoming the root port of
the device. To disable root guard on the interface, use the no form
of this command.

spanning-tree

Use the spanning-tree bpduguard interface configuration
bpduguard command to shutdown an interface when it receives a bridge
protocol data unit (BPDU).
dot1x bpdu Use the dot1x bpdu global configuration command to define
802.1x BPDU handling when 802.1x is globally disabled.
show dot1x bpdu Use the show dot1x bpdu EXEC command to display the 802.1x
BPDU handling when 802.1x is globally disabled.
show spanning-tree Displays spanning-tree configuration.
spanning-tree
The
spanning-tree
functionality. To disable spanning-tree functionality, use the
command.
Syntax
spanning-tree
no spanning-tree
Table 4-28. Spanning-Tree Commands
Global Configuration mode command enables spanning-tree
Spanning-Tree Commands
Mode
GC
IC
IC
GC
MST
MST
MST
MST
MST
MST
IC
IC
GC
UE
PE
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