7/23/2019 Lab 1 2 Optimizing STP Command List

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Command List

The table describes the commands that are used in this activity. The commands are listed in

alphabetical order so that you can easily locate the information that you need. Refer to this list if

you need configuration command assistance during the lab activity.

Command Description

configure terminal Enters configuration mode.

[no] debug spanning-tree events Enables or disables STP event debugging.

interfaceinterface Enters interface configuration mode.

show interfacesinterface Displays the interface status and statistics.

show spanning-tree summary Displays the STP summary of port states and STP

operation information.

show spanning-tree vlanvlan Displays spanning-tree information for the specified

VL!.

show spanning-tree

vlanvlanbridge detail

Displays detailed spanning-tree status and configuration

of this bridge.

show spanning-tree

vlanvlanroot detail

Displays detailed spanning-tree status and configurationof the root bridge.

show vlan Displays VL! status.

[no] shutdown Enables or disables interface.

[no] spanning-tree bpduguard

enable

Enables or disables the STP "PD# guard feature on the

port.

spanning-tree portfast Enables the STP Port$ast feature on the port.

spanning-tree vlanvlanrootprimary

$roces this s%itch to be the root bridge for specified

VL!.

switchport mode trunk Statically configures an interface for trun&ing.

switchport trunk allowedvlanvlan_list

Specifies VL!s that are allo%ed over the trun& lin&.

switchport trunk encapsulation

dot1q

Specifies dot'( as a trun&ing encapsulation on the

interface.