Users Guide

Spanning Tree Protocol (STP)
The commands in this section congure and monitor the IEEE 802.1d spanning tree protocol (STP) and are supported on the Dell
Networking switch/routing platform.
Topics:
• bridge-priority
• bpdu-destination-mac-address
• debug spanning-tree
• description
• disable
• forward-delay
• hello-time
• max-age
• protocol spanning-tree
• show cong
• show spanning-tree 0
• spanning-tree
bridge-priority
Set the bridge priority of the switch in an IEEE 802.1D spanning tree.
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 “cong-stp”.)
Command History
This guide is platform-specic. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.10(0.0) Introduced on the S6100–ON.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
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