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Chapter 7
Setting the Port Spanning Tree Protocol
The Spanning Tree Protocol (STP) and the 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
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 90
“Displaying Port Spanning Tree Protocol Settings” on page 91
“Modifying Port Spanning Tree Protocol Settings” on page 93
For information about how to set a spanning tree protocol for the
switch, see Chapter 12, “Setting Switch Spanning Tree Protocols” on
page 135.
For more information about the spanning tree protocols, see the following
chapters in the AlliedWare Plus Management Software Command Line
Interface User’s Guide:
Chapter 35: Spanning Tree and Rapid Spanning Tree Protocols
Chapter 36: Spanning Tree Protocol (STP)
Chapter 37: STP Commands
Chapter 38: Rapid Spanning Tree Protocol (RSTP)
Chapter 39: RSTP Commands
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