Dell PowerEdge FN I/O Module Command Line Reference Guide 9.10(0.0)

PDF

debug spanning-tree mstp

Enable debugging of the multiple spanning tree protocol and view information on the protocol.

Syntax

debug spanning-tree mstp [all | bpdu interface {in | out} | events]

Parameters

all	(OPTIONAL) Enter the keyword all to debug `all` spanning tree operations.
bpdu interface {in \| out}	(OPTIONAL) Enter the keyword `bpdu` to debug bridge protocol data units (BPDU). (OPTIONAL) Enter the interface keyword along with the type slot/port of the interface you want displayed. Type slot/port options are the following: For a Port Channel interface, enter the keywords `port-channel` then a number. The range is from 1 to 128. For a 10-Gigabit Ethernet interface, enter the keyword `TenGigabitEthernet` then the slot/port information. Optionally, enter an `in` or `out` parameter with the optional interface: For Receive, enter the keyword `in`. For Transmit, enter the keyword `out`.
events	(OPTIONAL) Enter the keyword `events` to debug MSTP events.

Command Modes

EXEC Privilege

Supported Modes

Full–Switch

Command History

Version	Description
9.9(0.0)	Introduced on the FN IOM.
8.3.16.1	Introduced on the MXL 10/40GbE Switch IO Module.

Example

Dell#debug spanning-tree mstp bpdu tengigabitethernet 0/16 ?
                                             in Receive (in)
                                             out Transmit (out)
                                             Dell#