Dell Z9500 Command Reference Manual page 1778

summary
Command EXEC Privilege
Modes
Command
This guide is platform-specific. For command information about other platforms,
History
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
9.2(1.0)
8.3.19.0
8.3.11.1
8.5.1.0
8.4.2.1
8.3.7.0
7.7.1.0
7.5.1.0
6.2.1.1
Usage Enable spanning tree group 0 prior to using this command.
Information
The following describes the show spanning-tree 0 command shown in the
example.
Field
"Bridge
Identifier..."
"Configured
hello..."
"We are..."
"Current root..."
"Topology flag..."
"Number of..."
1778
(OPTIONAL) Enter the keyword summary to only the number
of ports in the spanning tree group and their state.
Description
Introduced on the Z9500.
Introduced on the S4820T.
Introduced on the Z9000.
Added support for 4-port 40G line cards on the E-Series
ExaScale.
Added support for the optional guard keyword on the C-
Series, S-Series, and E-Series TeraScale.
Introduced on the S4810.
Introduced on the S-Series.
Introduced on the C-Series.
Introduced on the E-Series.
Description
Lists the bridge priority and the MAC address for this STP
bridge.
Displays the settings for hello time, max age, and forward
delay.
States whether this bridge is the root bridge for the STG.
Lists the bridge priority and MAC address for the root bridge.
States whether the topology flag and the detected flag were
set.
Displays the number of topology changes, the time of the
last topology change, and on what interface the topology
change occurred.
Spanning Tree Protocol (STP)