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3Com 3824 User Manual

3Com 3824
102 pages
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http://www.3com.com/
Part No. DUA1740-0BAA01
Published May 2003
Switch 3812 and Switch 3824
Implementation Guide
3C17401, 3C17400

Table of Contents

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3Com 3824 Specifications

General IconGeneral
Model3Com 3824
TypeSwitch
Power over Ethernet (PoE)No
Rack MountableYes
Form Factor1U
ManageableYes
Jumbo Frame SupportNo
Power SupplyInternal
Ports24
LayerLayer 2
MAC Address Table Size8000
Dimensions440 mm x 240 mm x 44 mm

Summary

SWITCH FEATURES OVERVIEW

Automatic IP Configuration

Describes how the switch obtains IP information automatically via DHCP or manually.

Port Security

Details the port security modes available for individual ports or ranges.

Spanning Tree Protocol and Rapid Spanning Tree Protocol

Explains protocols that prevent network loops and improve resilience against link failure.

Traffic Prioritization

Explains how to prioritize network traffic for improved data delivery and reduced delay.

RMON

Covers Remote Monitoring for traffic analysis and network statistics collection.

VLANs

Explains Virtual LANs for logical network segmentation and easier management.

Configuration Save and Restore

Details saving and restoring switch configurations from/to a remote file.

OPTIMIZING BANDWIDTH

Aggregated Links

Details combining multiple links for increased bandwidth and redundancy.

How 802.3ad Link Aggregation Operates

Explains the operation of IEEE 802.3ad aggregated links using LACP.

Implementing 802.3ad Aggregated Links

Describes manual and automatic methods for implementing 802.3ad aggregated links.

Aggregated Link — Manual Configuration Example

Provides a step-by-step example for manually configuring an aggregated link.

USING MULTICAST FILTERING

Multicast Filtering and Your Switch

Details how the switch supports multicast filtering using IGMP snooping and query mode.

USING RESILIENCE FEATURES

Spanning Tree Protocol (STP)

Explains STP's role in preventing loops and providing resilience against link failure.

Rapid Spanning Tree Protocol (RSTP)

Details RSTP as an enhanced STP version for faster network convergence.

How STP Works

Describes the process STP uses to determine and block inefficient paths.

STP Calculation

Explains the STP calculation stage for determining root bridges and path costs.

STP Configuration

Details how bridges are configured to forward traffic based on STP parameters.

How RSTP Differs to STP

Compares RSTP with STP, highlighting RSTP's faster decision-making.

USING TRAFFIC PRIORITIZATION

How Traffic Prioritization Works

Explains the use of traffic queues and QoS for prioritizing data.

STATUS MONITORING AND STATISTICS

SETTING UP VIRTUAL LANS

VLANs: Tagged and Untagged Membership

Explains the difference between tagged and untagged VLAN membership.

USING AUTOMATIC IP CONFIGURATION

NETWORK CONFIGURATION EXAMPLES

Improving the Resilience of Your Network

Demonstrates setting up networks for resilience using STP and aggregated links.

Enhancing the Performance of Your Network

Shows network configurations designed to enhance overall performance.

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