Users Guide

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.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet then the slot/port[/subport]
information.
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE 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-specific. For command information about other platforms, see
the relevant Dell Networking OS Command Line Reference Guide.
Version Description
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.2(1.0) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.5.1.0 Added support for 4-port 40G line cards on the E-Series.
8.3.7.0 Introduced on the S4810.
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
Multiple Spanning Tree Protocol (MSTP) 1290