Administrator Guide

bridge-priority
Set the bridge priority of the switch in an IEEE 802.1D spanning tree.
C9000 Series
Syntax
bridge-priority {priority-value | primary | secondary}
To return to the default value, use the no bridge-priority command.
Parameters
priority-value Enter a number as the bridge priority value. The range is from 0 to 65535. The default is
32768.
primary Enter the keyword primary to designate the bridge as the root bridge.
secondary Enter the keyword secondary to designate the bridge as a secondary root bridge.
Defaults priority-value = 32768
Command Modes SPANNING TREE (The prompt is “config-stp”.)
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
9.9(0.0) Introduced on the C9010.
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.
7.5.1.0 Introduced on the C-Series.
6.2.1.1 Introduced on the E-Series.
debug spanning-tree
Enable debugging of the spanning tree protocol and view information on the protocol.
C9000 Series
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.
1596 Spanning Tree Protocol (STP)