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Chapter 7
Spanning Tree Protocol on a Port
The Spanning Tree Protocol (STP) and Rapid Spanning Tree Protocol
(RSTP) guard against the formation of loops in an Ethernet network
topology. A topology has a loop when two or more nodes can transmit
packets to each other over more than one data path. Packets can become
caught in repeating cycles, referred to as broadcast storms, that
AlliedWare Plus™ Version 2.2.4 needlessly consume network bandwidth
and that can significantly reduce network performance.
This chapter provides a brief description of the spanning tree protocols and
explains how to set spanning tree on a port. See the following sections:
“Overview” on page 100
“Displaying Port Spanning Tree Protocol Settings” on page 101
“Modifying Port Spanning Tree Protocol Settings” on page 103
Note
For information about how to set a spanning tree protocol for the
switch, see Chapter 12, “Spanning Tree Protocols on the Switch” on
page 153.
For more information about the spanning tree protocols, see the following
chapters in the AlliedWare Plus Management Software Version 2.2.4
Command Line Interface User’s Guide:
Spanning Tree and Rapid Spanning Tree Protocols
Spanning Tree Protocol (STP)
STP Commands
Rapid Spanning Tree Protocol (RSTP)
RSTP Commands