Dell POWEREDGE M1000E User Manual

Page 691

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Cisco Catalyst Blade Switch 3120 for HP Command Reference

OL-12248-03

Chapter 2 Cisco Catalyst Blade Switch 3120 for HP Cisco IOS Commands

show spanning-tree

Related Commands

Command

Description

clear spanning-tree counters

Clears the spanning-tree counters.

clear spanning-tree detected-protocols

Restarts the protocol migration process.

spanning-tree backbonefast

Enables the BackboneFast feature.

spanning-tree bpdufilter

Prevents an interface from sending or receiving bridge
protocol data units (BPDUs).

spanning-tree bpduguard

Puts an interface in the error-disabled state when it
receives a BPDU.

spanning-tree cost

Sets the path cost for spanning-tree calculations.

spanning-tree extend system-id

Enables the extended system ID feature.

spanning-tree guard

Enables the root guard or the loop guard feature for all the
VLANs associated with the selected interface.

spanning-tree link-type

Overrides the default link-type setting for rapid
spanning-tree transitions to the forwarding state.

spanning-tree loopguard default

Prevents alternate or root ports from becoming the
designated port because of a failure that leads to a
unidirectional link.

spanning-tree mst configuration

Enters multiple spanning-tree (MST) configuration mode
through which the MST region configuration occurs.

spanning-tree mst cost

Sets the path cost for MST calculations.

spanning-tree mst forward-time

Sets the forward-delay time for all MST instances.

spanning-tree mst hello-time

Sets the interval between hello BPDUs sent by root switch
configuration messages.

spanning-tree mst max-age

Sets the interval between messages that the spanning tree
receives from the root switch.

spanning-tree mst max-hops

Sets the number of hops in an MST region before the
BPDU is discarded and the information held for an
interface is aged.

spanning-tree mst port-priority

Configures an interface priority.

spanning-tree mst priority

Configures the switch priority for the specified
spanning-tree instance.

spanning-tree mst root

Configures the MST root switch priority and timers based
on the network diameter.

spanning-tree port-priority

Configures an interface priority.

spanning-tree portfast (global
configuration)

Globally enables the BPDU filtering or the BPDU guard
feature on Port Fast-enabled interfaces or enables the Port
Fast feature on all nontrunking interfaces.

spanning-tree portfast (interface
configuration)

Enables the Port Fast feature on an interface and all its
associated VLANs.

spanning-tree uplinkfast

Accelerates the choice of a new root port when a link or
switch fails or when the spanning tree reconfigures itself.

spanning-tree vlan

Configures spanning tree on a per-VLAN basis.

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