H3C S5500-SI Series User manual

H3C S5500-SI Series Ethernet Switches
Operation Manual
Hangzhou H3C Technologies Co., Ltd.
http://www.h3c.com
Manual Version: 20090930-C-1.01
Product Version: Release 2202

Copyright © 2009, 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, , Aolynk, , H3Care, , TOP G, , IRF, NetPilot, Neocean, NeoVTL,
SecPro, SecPoint, SecEngine, SecPath, Comware, Secware, Storware, NQA, VVG, V2G, VnG, PSPT,
XGbus, N-Bus, TiGem, InnoVision 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.
Technical Support
[e-mail]
http://www.h3c.com

About This Manual
Organization
H3C S5500-SI Series Ethernet Switches Operation Manual is organized as follows:
Volume Features
00-Product
Overview Product Overview Acronyms
Ethernet Interface Link Aggregation Port Isolation MSTP
LLDP VLAN GVRP QinQ
01-Access
Volume BPDU Tunneling Port Mirroring
IP Addressing ARP DHCP DNS
IP Performance
Optimization UDP Helper IPv6 Basics Dual Stack
02-IP Services
Volume
sFlow
IP Routing
Overview Static Routing RIP IPv6 Static Routing
03-IP Routing
Volume RIPng Route Policy
Mulitcast Overview IGMP Snooping Multicast VLAN MLD Snooping
04-Multicast
Volume IPv6 Multicast
VLAN
05-QoS Volume QoS User Profile
AAA 802.1X HABP MAC Authentication
Portal Port Security IP Source Guard SSH2.0
PKI SSL Public Key ACL
06-Security
Volume
ARP Attack
Protection
Smart Link Monitor Link RRPP DLDP
07-High
Availability
Volume Ethernet OAM Connectivity
Fault Detection Track
Login Basic System
Configuration Device Management File System Management
HTTP SNMP RMON
MAC Address
Table Management
System
Maintaining and
Debugging
Information
Center PoE Hotfix
NQA NTP
Cluster
Management Stack Management
08-System
Volume
Automatic
Configuration

Conventions
The manual uses the following conventions:
Command conventions
Convention Description
Boldface The keywords of a command line are in Boldface.
italic Command arguments are in italic.
[ ] Items (keywords or arguments) in square brackets [ ] are optional.
{ x | y | ... }
Alternative items are grouped in braces and separated by vertical bars.
One is selected.
[ x | y | ... ]
Optional alternative items are grouped in square brackets and
separated by vertical bars. One or none is selected.
{ x | y | ... } *
Alternative items are grouped in braces and separated by vertical bars.
A minimum of one or a maximum of all can be selected.
[ x | y | ... ] *
Optional alternative items are grouped in square brackets and
separated by vertical bars. Many or none can be selected.
&<1-n> The argument(s) before the ampersand (&) sign can be entered 1 to n
times.
# A line starting with the # 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
Means reader be extremely careful. Improper operation may cause
bodily injury.
Means reader be careful. Improper operation may cause data loss or
damage to equipment.
Means an action or information that needs special attention to ensure
successful configuration or good performance.
Means a complementary description.
Means techniques helpful for you to make configuration with ease.

Related Documentation
In addition to this manual, each H3C S5500-SI Series Ethernet Switch documentation set includes the
following:
Manual Description
H3C S5500-SI Complete Series Ethernet
Switches Installation Manual
It introduces the installation procedure, commissioning,
maintenance and monitoring of the S5500-SI Series
Ethernet switches.
H3C S5500-SI Series Ethernet Switches
Command Manual - Release 2202
It includes Feature List and Command Index, Access
Volume, IP Services Volume, IP Routing Volume, IP
Multicast Volume, QoS Volume, Security Volume, High
Availability Volume and System Volume commands.
Obtaining Documentation
You can access the most up-to-date H3C product documentation on the World Wide Web at this URL:
http://www.h3c.com.
The following are the columns from which you can obtain different categories of product documentation:
[Products & Solutions]: Provides information about products and technologies, as well as solutions.
[Technical Support & Document > Technical Documents]: Provides several categories of product
documentation, such as installation, operation, and maintenance.
[Technical Support & Document > Product Support > Software]: Provides the documentation released
with the software version.
Documentation Feedback
You can e-mail your comments about product documentation to [email protected].
We appreciate your comments.

i
Table of Contents
1 Obtaining the Documentation··················································································································1-1
CD-ROMs Shipped with the Devices······································································································1-1
H3C Website···········································································································································1-1
Software Release Notes ·························································································································1-1
2 Product Features·······································································································································2-1
Introduction to Product····························································································································2-1
Feature Lists ···········································································································································2-1
3 Features······················································································································································3-1
Access Volume ·······································································································································3-1
IP Services Volume·································································································································3-3
IP Routing Volume··································································································································3-4
Multicast Volume·····································································································································3-5
QoS Volume············································································································································3-5
Security Volume······································································································································3-6
High Availability Volume··························································································································3-7
System Volume·······································································································································3-9

1-1
1 Obtaining the Documentation
H3C Technologies Co., Ltd. provides various ways for you to obtain documentation, through which you
can obtain the product documentations and those concerning newly added new features. The
documentations are available in one of the following ways:
zCD-ROMs shipped with the devices
zH3C website
zSoftware release notes
CD-ROMs Shipped with the Devices
H3C delivers a CD-ROM together with each device. The CD-ROM contains a complete product
document set, including the operation manual and command manual. After installing the reader
program provided by the CD-ROM, you can search for the desired contents in a convenient way
through the reader interface.
The contents in the manual are subject to update on an irregular basis due to product version upgrade
or some other reasons. Therefore, the contents in the CD-ROM may not be the latest version. For the
latest software documentation, go to the H3C website.
H3C Website
Perform the following steps to query and download the product documentation from the H3C website.
Table 1-1 Download documentation from the H3C website
How to apply for an
account
Access the homepage of H3C at http://www.h3c.com and click
Registration at the top right. In the displayed page, provide your
information and click Submit to register.
How to get
documentation
In the homepage, select Technical Support & Document > Technical
Documents from the navigation bar at the top.
Select a product for its documents.
Software Release Notes
With software upgrade, new software features may be added. You can acquire the information about
the newly added software features through software release notes.

2-1
2 Product Features
Introduction to Product
H3C S5500-SI Series Ethernet Switches are Gigabit Ethernet switching products developed by
Hangzhou H3C Technologies Co., Ltd. The S5500-SI series switches have abundant service features.
They are designed as distribution and access devices for intranets and metropolitan area networks
(MANs). They can also be used for connecting server groups in data centers.
Feature Lists
The S5500-SI series support abundant features and the related documents are divided into the
volumes as listed in Table 2-1.
Table 2-1 Feature list
Volume Features
Ethernet Interface Link Aggregation Port Isolation MSTP
LLDP VLAN GVRP QinQ
01-Access
Volume BPDU Tunneling Port Mirroring
IP Addressing ARP DHCP DNS
IP Performance
Optimization UDP Helper IPv6 Basics Dual Stack
02-IP Services
Volume
sFlow
IP Routing
Overview Static Routing RIP IPv6 Static Routing
03-IP Routing
Volume RIPng Route Policy
Mulitcast
Overview IGMP Snooping Multicast VLAN MLD Snooping
04-Multicast
Volume IPv6 Multicast
VLAN
05-QoS Volume QoS User Profile
AAA 802.1X HABP
MAC
Authentication
Portal Port Security IP Source Guard SSH2.0
PKI SSL Public Key ACL
06-Security
Volume
ARP Attack
Protection
Smart Link Monitor Link RRPP DLDP
07-High
Availability
Volume Ethernet OAM Connectivity Fault
Detection Track

2-2
Volume Features
Login Basic System
Configuration Device Management File System Management
HTTP SNMP RMON
MAC Address
Table
Management
System
Maintaining and
Debugging
Information
Center PoE Hotfix
NQA NTP Cluster
Management Stack Management
08-System
Volume
Automatic
Configuration

3-1
3 Features
The following sections provide an overview of the main features of each module supported by the
S5500-SI series.
Access Volume
Table 3-1 Features in Access volume
Features Description
Ethernet Interface
This document describes:
zCombo Port Configuration
zBasic Ethernet Interface Configuration
zConfiguring Flow Control on an Ethernet Interface
zConfiguring the Suppression Time of Physical-Link-State Change on
an Ethernet Interface
zConfiguring Loopback Testing on an Ethernet Interface
zConfiguring a Port Group
zConfiguring Storm Suppression
zSetting the Interval for Collecting Ethernet Interface Statistics
zEnabling Forwarding of Jumbo Frames
zEnabling Loopback Detection on an Ethernet Interface
zConfiguring the MDI Mode for an Ethernet Interface
zTesting the Cable on an Ethernet Interface
zConfiguring the Storm Constrain Function on an Ethernet Interface
Link Aggregation
Link aggregation aggregates multiple physical Ethernet ports into one
logical link. This document describes:
zBasic Concepts of Link Aggregation
zConfiguring an Aggregation Group
zConfiguring an Aggregate Interface
zConfiguring a Load Sharing Mode for Load-Sharing Link Aggregation
Groups
Port Isolation
The port isolation feature allows you to isolate different ports within the
same VLAN. This document describes:
zIntroduction to Port Isolation
zConfiguring the Isolation Group
MSTP
MSTP is used to eliminate loops in a LAN. It is compatible with STP and
RSTP. This document describes:
zIntroduction to STP/RSTP/MSTP
zConfiguring MSTP

3-2
Features Description
LLDP
LLDP enables a device tomaintain and manage its own and its immediate
neighbor’s device information, based on which the network management
system detects and determines the conditions of the communications
links. This document describes:
zIntroduction to LLDP
zPerforming Basic LLDP Configuration
zConfiguring the Encapsulation Format for LLDPDUs
zConfiguring the Encapsulation Format of the Management Address
zConfiguring CDP Compatibility
zConfiguring LLDP Trapping
VLAN
Using the VLAN technology, you can partition a LAN into multiple logical
LANs. This document describes:
zIntroduction to VLAN
zTypes of VLAN
zIntroduction and Configuration of Isolate-user-vlan
zIntroduction and Configuration of Voice VLAN
GVRP
GVRP is a GARP application. This document describes:
zGARP overview
zGVRP configuration
zGARP Timers configuration
QinQ
As defined in IEEE802.1Q, 12 bits are used to identify a VLAN ID, so a
device can support a maximum of 4094 VLANs. The QinQ feature
extends the VLAN space by allowing Ethernet frames to travel across the
service provider network with double VLAN tags. This document
describes:
zIntroduction to QinQ
zConfiguring basic QinQ
zConfiguring Selective QinQ
zConfiguring the TPID Value in VLAN Tags
BPDU Tunneling
BPDU tunneling enables transparently transmission of customer network
BPDU frames over the service provider network. This document
describes:
zIntroduction to BPDU Tunneling
zConfiguring BPDU Transparent Transmission
zConfiguring Destination Multicast MAC Address for BPDU Tunnel
Frames
Port Mirroring
Port mirroring copies packets passing through a port to another port
connected with a monitoring device for packet analysis to help implement
network monitoring and troubleshooting. This document describes:
zPort Mirroring overview
zLocal port mirroring configuration
zRemote port mirroring configuration

3-3
IP Services Volume
Table 3-2 Features in the IP Services volume
Features Description
IP Address
An IP address is a 32-bit address allocated to a network interface on a
device that is attached to the Internet. This document describes:
zIntroduction to IP addresses
zIP address configuration
ARP
Address Resolution Protocol (ARP) is used to resolve an IP address into a
data link layer address. This document describes:
zARP Overview
zConfiguring ARP
zConfiguring Gratuitous ARP
zProxy ARP and Local Proxy ARP configuration
zARP Attack Defense configuration
DHCP
DHCP is built on a client-server model, in which the client sends a
configuration request and then the server returns a reply to send
configuration parameters such as an IP address to the client. This
document describes:
zDHCP relay agent configuration
zDHCP Client configuration
zDHCP Snooping configuration
zBOOTP Client configuration
DNS
Used in the TCP/IP application, Domain Name System (DNS) is a
distributed database which provides the translation between domain name
and the IP address. This document describes:
zConfiguring the DNS Client
zConfiguring the DNS Proxy
IP Performance
In some network environments, you need to adjust the IP parameters to
achieve best network performance. This document describes:
zEnabling Reception and Forwarding of Directed Broadcasts to a
Directly Connected Network
zConfiguring TCP Attributes
zConfiguring ICMP to Send Error Packets
UDP Helper
UDP Helper functions as a relay agent that converts UDP broadcast
packets into unicast packets and forwards them to a specified server. This
document describes:
zUDP Helper overview
zUDP Helper configuration
IPv6 Basics
Internet protocol version 6 (IPv6), also called IP next generation (IPng),
was designed by the Internet Engineering Task Force (IETF) as the
successor to Internet protocol version 4 (IPv4). This document describes:
zIPv6 overview
zBasic IPv6 functions configuration
zIPv6 NDP configuration
zPMTU discovery configuration
zIPv6 TCP properties configuration
zICMPv6 packet sending configuration
zIPv6 DNS Client configuration

3-4
Features Description
Dual Stack
A network node that supports both IPv4 and IPv6 is called a dual stack
node. A dual stack node configured with an IPv4 address and an IPv6
address can have both IPv4 and IPv6 packets transmitted. This document
describes:
zDual stack overview
zDual stack configuration
sFlow
Based on packet sampling, Sampled Flow (sFlow) is a traffic monitoring
technology mainly used to collect and analyze traffic statistics. This
document describes:
zsFlow Overview
zsFlow Configuration
IP Routing Volume
Table 3-3 Features in the IP Routing volume
Features Description
IP Routing Overview This document describes:
zIntroduction to IP routing and routing table
zRouting protocol overview
Static Routing
A static route is manually configured by the administrator. The proper
configuration and usage of static routes can improve network
performance and ensure bandwidth for important network applications.
This document describes:
zStatic route configuration
zDetecting Reachability of the Static Route’s Nexthop
RIP
Routing Information Protocol (RIP) is a simple Interior Gateway Protocol
(IGP), mainly used in small-sized networks. This document describes:
zRIP basic functions configuration
zRIP advanced functions configuration
zRIP network optimization configuration
IPv6 Static Routing
Static routes are special routes that are manually configured by network
administrators. Similar to IPv4 static routes, IPv6 static routes work well in
simple IPv6 network environments. This document describes:
zIPv6 static route configuration
IPv6 RIPng
RIP next generation (RIPng) is an extension of RIP-2 for IPv4. RIPng for
IPv6 is IPv6 RIPng. This document describes:
zConfiguring RIPng Basic Functions
zConfiguring RIPng Route Control
zTuning and Optimizing the RIPng Network
Routing Policy
Routing policy is used on the router for route inspection, filtering,
attributes modifying when routes are received, advertised, or
redistributed. This document describes:
zDefining Filters
zRoute policy configuration

3-5
Multicast Volume
Table 3-4 Features in Multicast volume
Features Description
Multicast Overview
This document describes the main concepts in multicast:
zIntroduction to Multicast
zMulticast Models
zMulticast Architecture
zMulticast Packets Forwarding Mechanism
IGMP Snooping
Running at the data link layer, IGMP Snooping is a multicast control
mechanism on the Layer 2 Ethernet switch and it is used for multicast
group management and control. This document describes:
zConfiguring Basic Functions of IGMP Snooping
zConfiguring IGMP Snooping Port Functions
zConfiguring IGMP Snooping Querier
zConfiguring IGMP Snooping Policy
Multicast VLAN Multicast VLAN configuration
MLD Snooping
Multicast Listener Discovery Snooping (MLD Snooping) is an IPv6
multicast constraining mechanism that runs on Layer 2 devices to
manage and control IPv6 multicast groups. This document describes:
zConfiguring Basic Functions of MLD Snooping
zConfiguring MLD Snooping Port Functions
zConfiguring MLD Snooping Querier
zConfiguring MLD Snooping Policy
IPv6 Multicast VLAN IPv6 Multicast VLAN configuration
QoS Volume
Table 3-5 Features in the QoS ACL volume
Features Description
QoS
This document describes:
zQoS overview
zTraffic classification configuration
zTraffic policing Configuration
zLine rate configuration
zQoS policy configuration
zCongestion management
zPriority mapping configuration
zTraffic mirroring configuration
User Profile
User profile provides a configuration template to save predefined
configurations. This document describes:
zCreating a User Profile
zConfiguring a User Profile
zEnabling a User Profile

3-6
Security Volume
Table 3-6 Features in the Security volume
Features Description
AAA
Authentication, Authorization and Accounting (AAA) provide a uniform
framework used for configuring these three security functions to
implement the network security management. This document describes:
zIntroduction to AAA, RADIUS and HWTACACS
zAAA configuration
zRADIUS configuration
zHWTACACS configuration
802.1X
IEEE 802.1X (hereinafter simplified as 802.1X) is a port-based network
access control protocol that is used as the standard for LAN user access
authentication. This document describes:
z802.1X overview
z802.1X configuration
z802.1X Guest-VLAN configuration
HABP
On an HABP-capable switch, HABP packets can bypass 802.1X
authentication and MAC authentication, allowing communication among
switches in a cluster. This document describes:
zIntroduction to HABP
zHABP configuration
MAC Authentication
MAC authentication provides a way for authenticating users based on
ports and MAC addresses; it requires no client software to be installed on
the hosts. This document describes:
zRADIUS-Based MAC Authentication
zLocal MAC Authentication
Portal
Portal authentication, as its name implies, helps control access to the
Internet. This document describes:
zPortal overview
zPortal configuration
Port Security
Port security is a MAC address-based security mechanism for network
access controlling. It is an extension to the existing 802.1X authentication
and MAC authentication. This document describes:
zEnabling Port Security
zSetting the Maximum Number of Secure MAC Addresses
zSetting the Port Security Mode
zConfiguring Port Security Features
zConfiguring Secure MAC Addresses
zIgnoring Authorization Information from the Server
IP Source Guard
By filtering packets on a per-port basis, IP source guard prevents illegal
packets from traveling through, thus improving the network security. This
document describes:
zConfiguring a Static Binding Entry
zConfiguring Dynamic Binding Function

3-7
Features Description
SSH2.0
SSH ensures secure login to a remote device in a non-secure network
environment. By encryption and strong authentication, it protects the
device against attacks. This document describes:
zConfiguring Asymmetric Keys
zConfiguring the Device as an SSH Server
zConfiguring the Device as an SSH Client
zConfiguring an SFTP Server
zConfiguring an SFTP Client
PKI
The Public Key Infrastructure (PKI) is a hierarchical framework designed
for providing information security through public key technologies and
digital certificates and verifying the identities of the digital certificate
owners. This document describes PKI related configuration.
SSL Secure Sockets Layer (SSL) is a security protocol providing secure
connection service for TCP-based application layer protocols, this
document describes SSL related configuration.
Public Key
Configuration This document describes Public Key Configuration.
ACL
An ACL is used for identifying traffic based on a series of preset matching
criteria. This document describes:
zACL overview and ACL types
zACL configuration
ARP Attack Protection
Currently, ARP attacks and viruses are threatening LAN security. The
device can provide multiple features to detect and prevent such attacks.
This document describes:
zConfiguring ARP Defense Against IP Packet Attacks
zConfiguring ARP Packet Rate Limit
zConfiguring Source MAC Address Based ARP Attack Detection
zConfiguring ARP Packet Source MAC Address Consistency Check
zConfiguring ARP Active Acknowledgement
zConfiguring ARP Detection
High Availability Volume
Table 3-7 Features in the High Availability Volume
Features Description
Smart Link
Smart Link is a solution for active-standby link redundancy backup and
rapid transition in dual-uplink networking. This document describes:
zSmart Link Overview
zConfiguring a Smart Link Device
zConfiguring an Associated Device
Monitor Link
Monitor link is a port collaboration function used to enable a device to be
aware of the up/down state change of the ports on an indirectly connected
link. This document describes:
zMonitor Link Overview
zConfiguring Monitor Link

3-8
Features Description
RRPP
RRPP is a link layer protocol designed for Ethernet rings. RRPP can
prevent broadcast storms caused by data loops when an Ethernet ring is
healthy, and rapidly restore the communication paths between the nodes
after a link is disconnected on the ring. This document describes:
zRRPP overview
zCreating an RRPP Domain
zConfiguring Control VLANs
zConfiguring Protected VLANs
zConfiguring RRPP Rings
zConfiguring RRPP Ports
zConfiguring RRPP Nodes
zActivating an RRPP Domain
zConfiguring RRPP Timers
zConfiguring an RRPP Ring Group
DLDP
In the use of fibers, link errors, namely unidirectional links, are likely to
occur. DLDP is designed to detect such errors. This document describes:
zDLDP Introduction
zEnabling DLDP
zSetting DLDP Mode
zSetting the Interval for Sending Advertisement Packets
zSetting the DelayDown Timer
zSetting the Port Shutdown Mode
zConfiguring DLDP Authentication
zResetting DLDP State
Ethernet OAM
Ethernet OAM is a tool monitoring Layer-2 link status. It helps network
administrators manage their networks effectively. This document
describes:
zEthernet OAM overview
zConfiguring Basic Ethernet OAM Functions
zConfiguring Link Monitoring
zEnabling OAM Loopback Testing
Connectivity Fault
Detection
Connectivity fault detection is an end-to-end, per-VLAN link-layer OAM
mechanism for link connectivity detection, fault verification, and fault
location. This document describes:
zConnectivity Fault Detection Overview
zBasic Configuration Tasks
zConfiguring CC on MEPs
zConfiguring LB on MEPs
zConfiguring LT on MEPs
Track
The track module is used to implement collaboration between different
modules through established collaboration objects. The detection
modules trigger the application modules to perform certain operations
through the track module. This document describes:
zTrack Overview
zConfiguring Collaboration Between the Track Module and the
Detection Modules
zConfiguring Collaboration Between the Track Module and the
Application Modules

3-9
System Volume
Table 3-8 Features in the System volume
Features Description
Login
Upon logging into a device, you can configure user interface properties
and manage the system conveniently. This document describes:
zHow to log in to your Ethernet switch
zIntroduction to the user interface and common configurations
zLogging In Through the Console Port
zLogging In Through Telnet
zLogging in Through Web-based Network Management System
zLogging In Through NMS
zSpecifying Source IP address/Interface for Telnet Packets
zControlling Login Users
Basic System
Configuration
Basic system configuration involves the configuration of device name,
system clock, welcome message, user privilege levels and so on. This
document describes:
zConfiguration display
zBasic configurations
zCLI features
Device Management
Through the device management function, you can view the current
condition of your device and configure running parameters. This
document describes:
zDevice management overview
zRebooting a device
zConfiguring the scheduled automatic execution function
zSpecifying a file for the next device boot
zUpgrading Boot ROM
zConfiguring a detection interval
zConfiguring temperature alarm thresholds for a board
zClearing the 16-bit interface indexes not used in the current system
zConfiguring the system load sharing function
zConfiguring the traffic forwarding mode of SRPUs
zConfiguring the working mode of EA LPUs
zEnabling the port down function globally
zEnabling expansion memory data recovery function on a board
zIdentifying and diagnosing pluggable transceivers
File System
Management
A major function of the file system is to manage storage devices, mainly
including creating the file system, creating, deleting, modifying and
renaming a file or a directory and opening a file. This document
describes:
zFile system management
zConfiguration File Management
zFTP configuration
zTFTP configuration
HTTP
Hypertext Transfer Protocol (HTTP) is used for transferring web page
information across the Internet. This document describes:
zHTTP Configuration
zHTTPS Configuration

3-10
Features Description
SNMP
Simple network management protocol (SNMP) offers a framework to
monitor network devices through TCP/IP protocol suite. This document
describes:
zSNMP overview
zBasic SNMP function configuration
zSNMP log configuration
zTrap configuration
zMIB style configuration
RMON
RMON provides an efficient means of monitoring subnets and allows
SNMP to monitor remote network devices in a more proactive and
effective way. This document describes:
zRMON overview
zRMON configuration
MAC Address Table
Management
A switch maintains a MAC address tablefor fast forwarding packets. This
document describes:
zMAC address table overview
zConfiguring MAC Address Entries
zConfiguring the Aging Timer for Dynamic MAC Address Entries
zConfiguring the MAC Learning Limit
zConfiguring MAC Information
System Maintenance
and Debugging
For the majority of protocols and features supported, the system provides
corresponding debugging information to help users diagnose errors. This
document describes:
zMaintenance and debugging overview
zMaintenance and debugging configuration
Information Center
As the system information hub, Information Center classifies and
manages all types of system information. This document describes:
zInformation Center Overview
zSetting to Output System Information to the Console
zSetting to Output System Information to a Monitor Terminal
zSetting to Output System Information to a Log Host
zSetting to Output System Information to the Trap Buffer
zSetting to Output System Information to the Log Buffer
zSetting to Output System Information to the SNMP Module
zConfiguring Synchronous Information Output
zDisabling a Port from Generating Link Up/Down Logging Information
PoE
The Power over Ethernet (PoE) feature enables the power sourcing
equipment (PSE) to feed powered devices (PDs) from Ethernet ports
through twisted pair cables. This document describes:
zPoE overview
zConfiguring the PoE Interface
zConfiguring PoE power management
zConfiguring the PoE monitoring function
zOnline upgrading the PSE processing software
zConfiguring a PD Disconnection Detection Mode
zEnabling the PSE to detect nonstandard PDs

3-11
Features Description
Hotfix
Hotfix is a fast, cost-effective method to fix software defects of the device
without interrupting the running services. This document describes:
zHotfix Overview
zOne-Step Patch Installation
zStep-by-Step Patch Installation
zStep-by-Step Patch Uninstallation
zOne-Step Patch Uninstallation
NQA
NQA analyzes network performance, services and service quality by
sending test packets to provide you with network performance and
service quality parameters. This document describes:
zNQA Overview
zConfiguring the NQA Server
zEnabling the NQA Client
zCreating an NQA Test Group
zConfiguring an NQA Test Group
zConfiguring the Collaboration Function
zConfiguring Trap Delivery
zConfiguring the NQA Statistics Function
zConfiguring Optional Parameters Common to an NQA Test Group
zScheduling an NQA Test Group
NTP
Network Time Protocol (NTP) is the TCP/IP that advertises the accurate
time throughout the network. This document describes:
zNTP overview
zConfiguring the Operation Modes of NTP
zConfiguring Optional Parameters of NTP
zConfiguring Access-Control Rights
zConfiguring NTP Authentication
Cluster Management
A cluster is a group of network devices. Cluster management is to
implement management of large numbers of distributed network devices.
This document describes:
zCluster Management Overview
zConfiguring the Management Device
zConfiguring the Member Devices
zConfiguring Access Between the Management Device and Its
Member Devices
zAdding a Candidate Device to a Cluster
zConfiguring Advanced Cluster Functions
Stack Management
A stack is a set of network devices. Administrators can group multiple
network devices into a stack and manage them as a whole. Therefore,
stack management can help reduce customer investments and simplify
network management. This document describes:
zStack Configuration Overview
zConfiguring the Master Device of a Stack
zConfiguring Stack Ports of a Slave Device
zLogging In to the CLI of a Slave from the Master
Automatic Configuration
Automatic configuration enables a device to automatically obtain and
execute the configuration file when it starts up without loading the
configuration file. This document describes:
zIntroduction to Automatic Configuration
zTypical Networking of Automatic Configuration
zHow Automatic Configuration Works