03-Layer 2 - LAN Switching Configuration Guide

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Preface

The H3C S5120-SI documentation set includes 10 configuration guides, which describe the software features for the H3C S5120-SI Switch Series, Release 1505, and guide you through the software configuration procedures. These configuration guides also provide configuration examples to help you apply software features to different network scenarios.

The Layer 2—LAN Switching Configuration Guide describes LAN switching fundamentals and configuration. It describes how to implement flow control and load sharing, isolate uses in the same VLAN, eliminate Layer 2 loops, divide VLANs, and modify VLAN tags for packets.

This preface includes:

·           Audience

·           Added and modified features

·           Conventions

·           About the H3C S5120-SI documentation set

·           Obtaining documentation

·           Technical support

·           Documentation feedback

Audience

This documentation is intended for:

·           Network planners

·           Field technical support and servicing engineers

·           Network administrators working with the S5120-SI series

Added and modified features

Compared to Release1101, Release1505 adds, modifies, and deletes the following features:

Configuration guide

Added and modified features

Ethernet interface configuration

Added features: Configuring loopback testing on an Ethernet interface

Modified features: The link-delay command can only set the down state suppression interval on an Ethernet interface.

Loopback and null interface configuration

MAC address table configuration

Ethernet link aggregation configuration

Added features:

·       Configuring the global link-aggregation load sharing criteria

·       Enabling local-first load sharing for link aggregation

·       Enabling link aggregation traffic redirection

·       Setting the LACP timeout interval

Port isolation configuration

MSTP configuration

Added features:

·       Configuring BPDU drop

·       Displaying the BPDU statistics on ports

VLAN configuration

Added features:

·       Configuring MAC-based VLAN

·       Configuring protocol-based VLAN

·       Configuring the QoS priority settings for voice packets

GVRP configuration

QinQ configuration

QinQ is a newly added feature

LLDP configuration

 

Conventions

This section describes the conventions used in this documentation set.

Command conventions

Convention

Description

Boldface

Bold text represents commands and keywords that you enter literally as shown.

Italic

Italic text represents arguments that you replace with actual values.

[ ]

Square brackets enclose syntax choices (keywords or arguments) that are optional.

{ x | y | ... }

Braces enclose a set of required syntax choices separated by vertical bars, from which you select one.

[ x | y | ... ]

Square brackets enclose a set of optional syntax choices separated by vertical bars, from which you select one or none.

{ x | y | ... } *

Asterisk marked braces enclose a set of required syntax choices separated by vertical bars, from which you select at least one.

[ x | y | ... ] *

Asterisk marked square brackets enclose optional syntax choices separated by vertical bars, from which you may select multiple choices or none.

&<1-n>

The argument or keyword and argument combination before the ampersand (&) sign can be entered 1 to n times.

#

A line that starts with a pound (#) sign is comments.

 

GUI conventions

Convention

Description

Boldface

Window names, button names, field names, and menu items are in Boldface. For example, the New User window appears; click OK.

Multi-level menus are separated by angle brackets. For example, File > Create > Folder.

 

Symbols

Convention

Description

 WARNING

An alert that calls attention to important information that if not understood or followed can result in personal injury.

 CAUTION

An alert that calls attention to important information that if not understood or followed can result in data loss, data corruption, or damage to hardware or software.

 IMPORTANT

An alert that calls attention to essential information.

NOTE

An alert that contains additional or supplementary information.

 TIP

An alert that provides helpful information.

 

Network topology icons

Represents a generic network device, such as a router, switch, or firewall.

Represents a routing-capable device, such as a router or Layer 3 switch.

Represents a generic switch, such as a Layer 2 or Layer 3 switch, or a router that supports Layer 2 forwarding and other Layer 2 features.

 

About the H3C S5120-SI documentation set

The H3C S5120-SI documentation set includes:

Category

Documents

Purposes

Product description and specifications

Marketing brochures

Describe product specifications and benefits.

RPS Ordering Information for H3C Low-End Ethernet Switches

Provides the RPS and switch compatibility matrix and RPS cable specifications.

H3C Low End Series Ethernet Switches Pluggable Modules Manual

Describes the models, appearances, and specifications of the pluggable modules available for the products.

Hardware installation

Quick Start Guide

Provides a quick guide to hardware installation.

Installation Manual

Provides a complete guide to hardware installation and hardware specifications.

Provides regulatory information and the safety instructions that must be followed during installation.

Pluggable SFP[SFP+][XFP] Transceiver Modules Installation Guide

Guides you through installing SFP/SFP+/XFP transceiver modules.

Software configuration

Configuration guides

Describe software features and configuration procedures.

Command references

Provide a quick reference to all available commands.

Operations and maintenance

H3C Series Ethernet Switches Login Password Recovery Manual

Describes how to find or recover a lost password.

Release notes

Provide information about the product release, including the version history, hardware and software compatibility matrix, version upgrade information, technical support information, and software upgrading.

 

Obtaining documentation

You can access the most up-to-date H3C product documentation on the World Wide Web at http://www.h3c.com.

Click the links on the top navigation bar to obtain different categories of product documentation:

[Technical Support & Documents > Technical Documents] – Provides hardware installation, software upgrading, and software feature configuration and maintenance documentation.

[Products & Solutions] – Provides information about products and technologies, as well as solutions.

[Technical Support & Documents > Software Download] – Provides the documentation released with the software version.

Technical support

[email protected]

http://www.h3c.com

Documentation feedback

You can e-mail your comments about product documentation to [email protected].

We appreciate your comments.

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