Debug Spanning-Tree Rstp; C9000 Series - Dell C9000 Series Reference Manual

Command History
This guide is platform-specific. 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
9.9(0.0)
9.2(1.0)
8.3.19.0
8.3.11.1
8.3.7.0
7.6.1.0
7.5.1.0
6.2.1.1
Related protocol spanning-tree rstp
Commands

debug spanning-tree rstp

Enable debugging of RSTP and view information on the protocol.

C9000 Series

Syntax
debug spanning-tree rstp [all | bpdu interface {in | out} |
events]
To disable debugging, use the no debug spanning-tree rstp command.
Parameters
all
bpdu interface {in
| out}
Description
Introduced on the C9010.
Introduced on the Z9500.
Introduced on the S4820T.
Introduced on the Z9000.
Introduced on the S4810.
Introduced on the S-Series.
Introduced on the C-Series.
Introduced on the E-Series.
— enters rapid spanning tree mode.
(OPTIONAL) Enter the keyword all to debug all spanning tree
operations.
(OPTIONAL) Enter the keyword bpdu to debug the bridge
protocol data units.
(OPTIONAL) Enter the keyword interface 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 4096.
Rapid Spanning Tree Protocol (RSTP) 1850