debug spanning-tree
Enable debugging of the spanning tree protocol and view information on the protocol.
Z9500
Syntax
debug spanning-tree {
stp-id
[all | bpdu | config | events |
exceptions | general | root] |
protocol
}
To disable debugging, use the
no debug spanning-tree
command.
Parameters
stp-id
Enter zero (0). The switch supports one spanning tree group
with a group ID of 0.
protocol
Enter the keyword for the type of STP to debug, either
mstp
,
pvst
, or
rstp
.
all
(OPTIONAL) Enter the keyword
all
to debug all spanning
tree operations.
bpdu
(OPTIONAL) Enter the keyword
bpdu
to debug bridge
protocol data units.
config
(OPTIONAL) Enter the keyword
config
to debug
configuration information.
events
(OPTIONAL) Enter the keyword
events
to debug STP
events.
general
(OPTIONAL) Enter the keyword
general
to debug general
STP operations.
root
(OPTIONAL) Enter the keyword
root
to debug STP root
transactions.
Command
Modes
EXEC Privilege
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
Description
9.2(1.0)
Introduced on the Z9500.
8.3.19.0
Introduced on the S4820T.
8.3.11.1
Introduced on the Z9000.
8.3.7.0
Introduced on the S4810.
7.7.1.0
Introduced on the S-Series.
1770
Spanning Tree Protocol (STP)