Users Guide

33
Multiple Spanning Tree Protocol (MSTP)
Multiple spanning tree protocol (MSTP), as implemented by the Dell Networking operating system, conforms to IEEE 802.1s.
This command supports the Dell Networking S3048–ON platform.
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]
To disable debugging, enter no debug spanning-tree mstp
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 1-Gigabit Ethernet interface, enter the keyword GigabitEthernet
then the slot/port information.
• 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
Command History
This guide is platform-specic. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.8(0.0P5) Introduced on the S4048-ON.
970
Multiple Spanning Tree Protocol (MSTP)