Hangzhou H3C Technologies Co., Ltd.
http://www.h3c.com
Software version: R1003 and later
Document version: 6W100-20141210
H3C S12500-X Switch Series
Layer 2—LAN Switching
Configuration Guide
Copyright © 2014, Hangzhou H3C Technologies Co., Ltd. and its licensors
All rights reserved
No part of this manual may be reproduced or transmitted in any form or by any means without prior
written consent of Hangzhou H3C Technologies Co., Ltd.
Trademarks
H3C, , H3CS, H3CIE, H3CNE, Aolynk, , H
SecEngine, SecPath, SecCenter, SecBlade, Comware, ITCMM and HUASAN are trademarks of
Hangzhou H3C Technologies Co., Ltd.
All other trademarks that may be mentioned in this manual are the property of their respective owners
Notice
The information in this document is subject to change without notice. Every effort has been made in the
preparation of this document to ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute the warranty of any kind, express or implied.
3
Care, , IRF, NetPilot, Netflow,
Preface
The H3C S12500-X documentation set includes 14 configuration guides. These guides describe the
software features for the H3C S12500-X Switch Series and guide you through the software configuration
procedures. These 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, transmit customer network packets through the public
network, and modify VLAN tags for packets.
This preface includes:
• Audience
• Conventions
• 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 S12500-X series
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 | ... ]
{ x | y | ... } *
[ x | y | ... ] *
Square brackets enclose a set of optional syntax choices separated by vertical bars, from
which you select one or none.
Asterisk marked braces enclose a set of required syntax choices separated by vertical
bars, from which you select at least one.
Asterisk marked square brackets enclose optional syntax choices separated by vertical
Convention Description
bars, from which you select one choice, multiple choices, or none.
&<1-n>
# A line that starts with a pound (#) sign is comments.
GUI conventions
Convention Description
Boldface
> Multi-level menus are separated by angle brackets. For example, File > Create > Folder.
Symbols
Convention Description
WARNING
CAUTION
IMPORTANT
NOTE
The argument or keyword and argument combination before the ampersand (&) sign can
be entered 1 to n times.
Window names, button names, field names, and menu items are in Boldface. For
example, the New User window appears; click OK.
An alert that calls attention to important information that if not understood or followed can
result in personal injury.
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.
An alert that calls attention to essential information.
An alert that contains additional or supplementary information.
TIP
Network topology icons
An alert that provides helpful information.
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.
Represents an access controller, a unified wired-WLAN module, or the access controller
engine on a unified wired-WLAN switch.
Represents an access point.
Represents a mesh access point.
Represents omnidirectional signals.
Represents directional signals.
Represents a security product, such as a firewall, UTM, multiservice security gateway, or
load-balancing device.
Represents a security card, such as a firewall, load-balancing, NetStream, SSL VPN, IPS,
or ACG card.
Port numbering in examples
The port numbers in this document are for illustration only and might be unavailable on your device.
Obtaining documentation
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]
upgrading, and software feature configuration and maintenance documentation.
[Products & Solutions]
solutions. [Technical Support & Documents > Software Download]
released with the software version.
—Provides information about products and technologies, as well as
Technical support
service@h3c.com
http://www.h3c.com
Documentation feedback
You can e-mail your comments about product documentation to info@h3c.com.
We appreciate your comments.
—Provides hardware installation, software
—Provides the documentation
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