Users Guide

Network Administration: Spanning Tree and LAG 185

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Guide\Dell_Astute_Network_Admin_STP.fm

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Network Administration: Spanning

Tree and LAG

This chapter covers the following topics:

•Spanning Tree

• Link Aggregation (LAG)

Spanning Tree

This section: describes how to configure the Spanning Tree feature. It

contains the following topics:

• Global Settings

• STP Port Settings

• Rapid Spanning Tree

• MSTP Properties

•VLAN to MSTP Instance

• MSTP Instance Settings

• MSTP Interface Settings

Spanning Tree Overview

Spanning Tree Protocol (STP) provides tree topography for any bridge

arrangement. STP eliminates loops by providing a unique path between end

stations on a network.

Loops occur when alternate paths exist between hosts. Loops can cause

bridges to relay the same packet(s) indefinitely, resulting in packets not

arriving at their destination, Broadcast/Multicast storms, and reduced

network efficiency.