H3C S5120-EI Series User manual

H3C S5120-EI Series Ethernet Switches
Operation Manual
Hangzhou H3C Technologies Co., Ltd.
Manual Version: 6W101-20100305
Product Version: Release 2202

Copyright © 2009-2010, Hangzhou H3C Technologies Co., Ltd. and its licensors
H3C Technologies Co., Ltd., a subsidiary of 3Com Corporation.
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.

About This Manual
Organization
H3C S5120-EI Series Ethernet Switches Operation Manual is organized as follows:
Volume Features
00-Product
Overview Product Overview Acronyms
Ethernet Port Link Aggregation Port Isolation MSTP
LLDP VLAN GVRP QinQ
01-Access
Volume
BPDU Tunneling Mirroring
IP Addressing ARP DHCP DNS
IP Performance
Optimization UDP Helper IPv6 Basics Dual Stack
02-IP Services
Volume
sFlow
03-IP Routing
Volume
IP Routing
Overview Static Routing IPv6 Static Routing
Mulitcast Overview IGMP Snooping Multicast VLAN MLD Snooping
04-IP Multicast
Volume IPv6 Multicast
VLAN
05-QoS Volume QoS User Profile
AAA 802.1X HABP MAC Authentication
Port Security IP Source Guard SSH2.0 PKI
06-Security
Volume
SSL Public Key ACL
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 IRF
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 S5120-EI Series Ethernet Switch documentation set includes the
following:
Manual Description
H3C S5120-EI Series Ethernet Switches
Installation Manual
It introduces the installation procedure, commissioning,
maintenance and monitoring of the S5120-EI Series
Ethernet switches.
H3C S5120-EI Series Ethernet Switches
Command Manual - Release 2202
It includes Command Index, Access Volume, IP
Services Volume, IP Routing Volume, IP Multicast
Volume, QoS Volume, Security Volume, High
Availability Volume and System Volume.
Obtaining Documentation and Technical Support
To obtain up-to-date documentation and technical support, go to http://www.h3c.com and select your
country or region. Depending on your selection, you will be redirected to either of the following websites:
At http://www.h3c.com
Documentation
Go to the following columns for 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, configuration, and maintenance.
[Technical Support & Document > Software Download]: Provides the documentation released with the
software version.
Technical Support
[e-mail]
http://www.h3c.com
At http://www.h3cnetworks.com
Documentation
1) Select Drivers & Downloads in the Support area.
2) Select Documentation for Type of File and select Product Category.
Technical Support
Register Your Product
Warranty and other service benefits start from the date of purchase, so it is important to register your
product quickly to ensure you get full use of the warranty and other service benefits available to you.
Warranty and other service benefits are enabled through product registration. Register your product at
http://www.h3cnetworks.com, go to Support, Product Registration. Support services are based on
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Repair Services, and Service Request. If you have trouble registering your product, please contact
3Com Global Services for assistance.
Purchase Value-Added Services
To enhance response times or extend warranty benefits, contact 3Com or your authorized reseller.
Value-added services like ExpressSM and GuardianSM can include 24x7 telephone technical support,
software upgrades, onsite assistance or advance hardware replacement. Experienced engineers are
available to manage your installation with minimal disruption to your network. Expert assessment and

implementation services are offered to fill resource gaps and ensure the success of your networking
projects. More information on 3Com maintenance and Professional Services is available at
http://www.h3cnetworks.com.
Contact your authorized reseller or 3Com for a complete list of the value-added services available in
your area.
Troubleshoot Online
You will find support tools posted on the web site at http://www.h3cnetworks.com/ under Support,
Knowledgebase. The Knowledgebase helps you troubleshoot H3C products. This query-based
interactive tool contains thousands of technical solutions.
Access Software Downloads
Software Updates are the bug fix / maintenance releases for the version of software initially purchased
with the product. In order to access these Software Updates you must first register your product on the
web site at http://www.h3cnetworks.com, go to Support,Product Registration.
First time users will need to apply for a user name and password. A link to software downloads can be
found at http://www.h3cnetworks.com, under Support, Drivers and downloads.
Software Upgrades are the software releases that follow the software version included with your
original product. In order to access upgrades and related documentation you must first purchase a
service contract from 3Com or your reseller.
Telephone Technical Support and Repair
To enable telephone support and other service benefits, you must first register your product at
http://www.h3cnetworks.com/
Warranty and other service benefits start from the date of purchase, so it is important to register your
product quickly to ensure you get full use of the warranty and other service benefits available to you.
When you contact 3Com for assistance, please have the following information ready:
zProduct model name, part number, and serial number
zProof of purchase, if you have not pre-registered your product
zA list of system hardware and software, including revision level
zDiagnostic error messages
zDetails about recent configuration changes, if applicable
To send a product directly to 3Com for repair, you must first obtain a return authorization number (RMA).
Products sent to 3Com, without authorization numbers clearly marked on the outside of the package,
will be returned to the sender unopened, at the sender’s expense. If your product is registered and
under warranty, you can obtain an RMA number online at http://www.h3cnetworks.com under
support, Repair & Replacement Request. First time users will need to apply for a user name and
password.
Contact Us
3Com offers telephone, e-mail and internet access to technical support and repair services. To access
these services for your region, use the appropriate telephone number, URL or e-mail address.
Find a current directory of contact information posted on the web site at http://www.h3cnetworks.com
under Support, Technical Support Contact..
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
H3C Website ···········································································································································1-1
Software Release Notes ·························································································································1-1
2 Correspondence between Documentation and Software······································································2-1
Manual List··············································································································································2-1
Software Version·····································································································································2-1
3 Product Features·······································································································································3-1
Introduction to Product····························································································································3-1
Feature Lists ···········································································································································3-1
4 Features······················································································································································4-1
Access Volume ·······································································································································4-1
IP Services Volume·································································································································4-3
IP Routing Volume ··································································································································4-4
IP Multicast Volume ································································································································4-4
QoS Volume············································································································································4-5
Security Volume ······································································································································4-5
High Availability Volume··························································································································4-7
System Volume ·······································································································································4-8

1-1
1 Obtaining the Documentation
H3C Technologies Co., Ltd. provides two 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:
zH3C website
zSoftware release notes
H3C Website
You can access the most up-to-date H3C product documentation on the World Wide Web at this URL:
http://www.h3c.com.
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 Correspondence between Documentation and
Software
Manual List
Manual name Corresponding
Product
H3C S5120-EI Series Ethernet Switches Installation Manual
H3C S5120-EI Series Ethernet Switches Quick Start
H3C S5120-EI Series Ethernet Switches Compliance and Safety Manual
H3C S5120-EI Series Ethernet Switches Operation Manual-Release 2202
H3C S5120-EI Series Ethernet Switches Command Manual-Release 2202
S5120-EI series
Software Version
H3C S5120-EI Series Ethernet Switches Operation Manual-Release 2202 and H3C S5120-EI Series
Ethernet Switches Command Manual-Release 2202 are for the software version Release 2202P06 and
Release 2202P19 of the S5120-EI series switches.
The supported features are different between these software versions. For details, refer to Table 2-1.
Table 2-1 Added and Modified features compared with the earlier software version
Software
Version Added and Modified Features Compared With The Earlier Version Manual
Extended LACP functions
01-Access Volume /
02-Ethernet Link Aggregation
Configuration
Configuring ARP Quick Notify 02-IP Services Volume/
02-ARP Configuration
Added
features
Online user handshake security function 06-Security Volume/
02-802.1X Configuration
Modified
features — —
Release
2202P19
Deleted
features — —
Release
2202P06 — — —

3-1
3 Product Features
Introduction to Product
H3C S5120-EI Series Ethernet Switches are Gigabit Ethernet switching products developed by
Hangzhou H3C Technologies Co., Ltd. The S5120-EI 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.
The S5120-EI series switches support the innovative Intelligent Resilient Framework (IRF) technology.
With IRF, multiple S5120-EI switches can be interconnected as a logical entity to form a new intelligent
network featuring high availability, scalability, and manageability.
Feature Lists
The S5120-EI series support abundant features and the related documents are divided into the
volumes as listed in Table 3-1.
Table 3-1 Feature list
Volume Features
Ethernet Port Ethernet Link
Aggregation Port Isolation MSTP
LLDP VLAN GVRP QinQ
01-Access
Volume
BPDU Tunneling Mirroring
IP Addressing ARP DHCP DNS
IP Performance
Optimization UDP Helper IPv6 Basics Dual Stack
02-IP Services
Volume
sFlow
03-IP Routing
Volume
IP Routing
Overview Static Routing IPv6 Static Routing
Mulitcast
Overview IGMP Snooping Multicast VLAN MLD Snooping
04-IP Multicast
Volume IPv6 Multicast
VLAN
05-QoS Volume QoS User Profile
AAA 802.1X HABP
MAC
Authentication
Port Security IP Source Guard SSH2.0 PKI
06-Security
Volume
SSL Public Key ACL ARP Attack
Protection
Smart Link Monitor Link RRPP DLDP07-High
Availability
Volume Ethernet OAM CFD Track

3-2
Volume Features
Login Basic System
Configuration
Device
Management
File System
Management
HTTP SNMP RMON
MAC Address
Table
System
Maintaining and
Debugging
Information
Center PoE Hotfix
NQA NTP Cluster
Management IRF
08-System
Volume
Automatic
Configuration

4-1
4 Features
The following sections provide an overview of the main features of each module supported by the
S5120-EI series.
Access Volume
Table 4-1 Features in Access volume
Features Description
Ethernet Port
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 an Auto-negotiation Transmission Rate
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 a Static Aggregation Group
zConfiguring a Dynamic 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

4-2
Features Description
LLDP
LLDP enables a device to maintain 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 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
zIsolate-user-vlan configuration
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 Tunnel
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
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.
Traffic mirroring is implemented by a QoS policy, which defines certain
match criteria to match the packets to be mirrored and defines the action
of mirroring such packets to the specified destination. This document
describes:
zPort Mirroring overview
zLocal port mirroring configuration
zRemote port mirroring configuration
zTraffic mirroring

4-3
IP Services Volume
Table 4-2 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

4-4
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 4-3 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
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
IP Multicast Volume
Table 4-4 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

4-5
Features Description
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 4-5 Features in the QoS volume
Features Description
QoS
This document describes:
zQoS overview
zQoS policy configuration
zPriority mapping configuration
zTraffic policing Configuration
zTraffic shaping Configuration
zLine rate configuration
zCongestion management
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
Security Volume
Table 4-6 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

4-6
Features Description
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
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
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

4-7
Features Description
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 4-7 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
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
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

4-8
Features Description
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
CFD
CFD 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
System Volume
Table 4-8 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

4-9
Features Description
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
zConfiguring the Exception Handling Method
zRebooting a device
zConfiguring the scheduled automatic execution function
zSpecifying a file for the next device boot
zDisabling Boot ROM Access
zConfiguring a detection interval
zClearing the 16-bit interface indexes not used in the current system
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
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
A switch maintains a MAC address table for 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