9 debug spanning-tree

debug spanning-tree

 

Enables debugging for the Spanning Tree Protocol.

Synopsis

debug spanning-tree {all bpdu {rx tx {all interface port-channel number tengigabitethernet

 

slot/port} }

 

 

no debug spanning-tree {all bpdu {rx tx {all interface port-channel number

 

tengigabitethernet slot/port} }

Operands

all

Turns on spanning tree packet debugging on all interfaces.

 

bpdu

Turns on Bridge Protocol Data Unit debugging.

 

rx

Turns on debugging for only received spanning-tree packets.

 

tx

Turns on debugging for only transmitted spanning-tree packets.

 

interface port-channel number

 

 

Specifies the port-channel interface. The range of valid values is 1-63.

 

interface tengigabitethernet

 

 

Specifies the 10 Gbps Ethernet interface.

 

slot

Specifies the slot number.

 

port

Specifies the port number.

Defaults

By default debugging is not turned on.

Command

Privileged EXEC mode

Modes

 

 

Description

Use this command to enable debugging for the Spanning Tree Protocol. Use the no debug

 

command to disable debugging.

Usage

To display debugging outputs on a particular cmsh session, use the terminal monitor command.

Guidelines

 

 

Examples

To enable debugging of spanning-tree for both Rx and Tx on 10 Gbps Ethernet interface 0/1:

 

switch#debug spanning-tree bpdu rx interface tengigabitethernet 0/1

 

switch#debug spanning-tree bpdu tx interface tengigabitethernet 0/1

 

switch#show debug spanning-tree

 

MSTP debugging status:

 

Spanning-tree rx debugging is off

 

Te 0/1 rx is on

 

Spanning-tree tx debugging is off

 

Te 0/1 tx is on

See Also

show debug spanning-tree, show debug

128

Converged Enhanced Ethernet Command Reference

 

53-1001762-01

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Brocade Communications Systems 53-1001762-01 manual Debug spanning-tree

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