Longshine LCS-GS9420-A User manual

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24/16 Giga+4*100/1000Mbps SFP
Ports Smart Managed Switch
User Manual

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FCC Certifications
This Equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed and used
in accordance with the instruction manual, may cause harmful interference to radio
communications.
Operation of this equipment in a residential area is likely to cause harmful interference in which
case the user will be required to correct the interference at his own expense.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) this device may not cause harmful interference, and (2) this device must accept any
interference received; including interference that may cause undesired operation.
CE Mark Warning
This equipment complies with the requirements relating to the EMC Directive 2004/108/EC and
2014/30/EU, the Low Voltage Directive 2006/95/EC and 2014/35/EU, and the RoHS Directive
2011/65/EU.
Company has an on-going policy of upgrading its products and it may be possible that information
in this document is not up-to-date. Please check with your local distributors for the latest
information. No part of this document can be copied or reproduced in any form without written
consent from the company.
Trademarks:
All trade names and trademarks are the properties of their respective companies.
Copyright © 2015, All Rights Reserved.

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Table of Contents
Chapter 1 Introduction·························································································· 6
1.1 General Description····························································································· 6
1.2 Key Features········································································································ 6
1.3 The Front Panel···································································································· 7
LEDs Definition·········································································································· 7
The Reset Button······································································································· 7
Console Port ·············································································································· 7
1.4 The Rear Panel····································································································· 8
Power Receptacle······································································································ 8
1.5 Installation············································································································ 8
Unpacking Information······························································································ 8
Rack-mount Installation···························································································· 8
Installing Network Cables························································································· 9
Chapter 2 Getting Started ················································································· 10
2.1 Web-based Management Interface (Web UI) ··················································· 10
2.2 Connect to switch Web Pages·········································································· 10
2.3 Graphic User Interface Overview ····································································· 11
Chapter 3 Status·································································································· 13
3.1 System Information··························································································· 13
3.2 Logging Message ······························································································ 14
3.3 Port ·····················································································································15
3.3.1 Statistics·········································································································· 15
3.3.2 Bandwidth Utilization ····················································································· 17
3.4 Link Aggregation······························································································· 18
3.5 MAC Address Table··························································································· 19
Chapter 4 Network······························································································· 20
4.1 IP Address·········································································································· 20
4.2 System Time······································································································· 22
Chapter 5 Port ····································································································· 24
5.1 Port Setting ········································································································ 24
5.2 Link Aggregation······························································································· 25
5.2.1 Trunk Group Setting······················································································· 25
5.2.2 Port Setting ····································································································· 27
5.2.3 LACP················································································································ 28
5.3 EEE ····················································································································· 30
5.3 Jumbo Frame····································································································· 31
Chapter 6 VLAN··································································································· 31
6.1 VLAN··················································································································· 31

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6.1.1 Create VLAN···································································································· 32
6.1.2 VLAN Configuration ····················································································· 33
6.1.3 Membership····································································································· 34
6.1.4 Port Setting ····································································································· 35
6.2 Voice VLAN ········································································································ 36
6.2.1 Property··········································································································· 36
6.2.2 Voice OUI········································································································· 38
Chapter 7 MAC Address Table ··········································································· 39
7.1 Dynamic Address ······························································································ 39
7.2 Static Address···································································································· 39
Chapter 8 Spanning Tree Protocol (STP) ·························································· 40
8.1 Property·············································································································· 40
8.2 Port Setting ········································································································ 41
8.3 Statistics············································································································· 43
Chapter 9 Discovery···························································································· 44
9.1 LLDP··················································································································· 44
9.1.1 Property··········································································································· 44
9.1.2 Port Setting ····································································································· 45
9.1.3 Packet View····································································································· 47
9.1.4 Local Information···························································································· 48
9.1.5 Neighbor·········································································································· 49
9.1.6 Statistics·········································································································· 50
Chapter 10 Multicast··························································································· 52
10.1 General ············································································································· 52
10.1.1 Property········································································································· 52
10.1.2 Group Address······························································································ 53
10.1.3 Router Port···································································································· 54
10.2 IGMP Snooping································································································ 55
10.2.1 Property········································································································· 55
10.2.2 Querier··········································································································· 57
10.2.3 Statistics········································································································ 58
Chapter 11 Security····························································································· 60
11.1 Management Access ······················································································· 60
11.1.1 Management VLAN······················································································· 60
11.1.2 Management Service ···················································································· 61
11.2 Protected Port·································································································· 62
11.3 Storm Control··································································································· 63
11.4 DoS ··················································································································· 64
11.4.1 Property········································································································· 64
11.4.2 Port Setting···································································································· 66

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Chapter 12 QoS ··································································································· 67
12.1 General ············································································································· 67
12.1.1 Property········································································································· 67
12.1.2 Queue Scheduling ························································································ 69
12.1.3 CoS Mapping································································································· 70
12.1.4 DSCP Mapping······························································································ 71
12.1.5 IP Precedence Mapping················································································ 72
12.2 Rate Limit ········································································································· 74
12.2.1 Ingress/Egress Port······················································································ 74
12.2.2 Egress Queue································································································ 75
Chapter 13 Diagnostics ······················································································ 77
13.1 Logging ············································································································ 77
13.1.1 Property········································································································· 77
13.1.2 Remove Server······························································································ 78
13.2 Mirroring··········································································································· 79
13.2 Ping··················································································································· 80
13.3 Copper Test······································································································ 81
Chapter 14 Management····················································································· 82
14.1 User Account ··································································································· 82
14.2 Firmware··········································································································· 83
14.2.1 Upgrade/Backup ··························································································· 83
14.3 Configuration··································································································· 84
14.3.1 Upgrade/Backup ··························································································· 84
14.3.2 Save Configuration······················································································· 87
14.4 SNMP ················································································································ 88
14.4.1 Community···································································································· 88
14.4.2 Trap Event ····································································································· 88
14.4.3 Notification···································································································· 89
Product Specifications···························································································· 90

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Chapter 1 Introduction
1.1 General Description
The Gigabit Smart Managed Switch is equipped with 24/16 gigabit RJ45 ports and 4 SFP slots. The
switch supports high performance, enterprise-level security control & QoS Layer 2 management
features. It is a cost-effective product solution for the small and medium business.
The switch supports the WebGUI to control each port status and bandwidth control by port rate
limiting. The Storm Control feature protects against Broadcast, Multicast and Unicast Storm. The
rich Quality of Service (QoS) & VLAN provides enhanced traffic management capabilities to move
your data smoother and faster. The device supports a complete lineup of layer 2 features, including
802.1Q tag VLAN, Port Isolation, Port Mirroring, STP/RSTP, Link Aggregation Group and 802.3x
Flow Control function. It also supports SNMP management functions.
The switch complies with IEEE802.3az Energy Efficient Ethernet to save power consumption,
Support IGMP Snooping function to improve traffic performance. Moreover, the rich diagnostic
LEDs on the front-panel provide the operating status of individual port and whole system.
1.2 Key Features
z24/16 * RJ-45 ports for 10/100/1000Mbps connectivity
z4* SFP ports for 100/1000Mbps Fiber connectivity
zSupports MDI/MDI-X auto crossover
zSupports NWay protocol and auto-detection
zComplies with IEEE802.3, 802.3u, 802.3ab Ethernet standards
zSupports IEEE802.3x Flow Control and Back-Pressure control
zSupports STP & RSTP
zSupports LLDP Discovery
zSupports VLAN : Static, Port Based, Tag Based, Voice OUI mode
zSupports QoS : CoS, DSCP, CoS-DSCP, IP Precedence
zSupports Security : Management Service (Telnet, HTTP, HTTPS, SNMP), Protected Port,
Storm Control, DoS attack prevention
zSupports Storm Filter (Broadcast, Unknown Multicast, Unknown Unicast)
zSupports port based Ingress/Egress rate limit
zSupports 8 queues is handled SP and WRR
zSupports Jumbo Frame : 1518~10K Bytes
zSupports 8 Link Aggregation Groups with Static & LACP types
zSupport port mirroring, Ping Testing, Copper Testing
zSupports SNMP access control & trap event
zSupports IGMP Snooping v2/v3
zSupports IEEE802.3az EEE enable and disable
zSupports Firmware upgrade and backup

7
zSupports Configuration upgrade and backup
zFull Range of Internal universal switching power supply
zSupports Reset to factory default button
1.3 The Front Panel
The following figure shows the front panel of the switch.
LEDs Definition
This device provides extensive LEDs to show the activities on power, system and ports.
See the following description for your reference:
LED Status Operation
POWER Steady Green The switch is powered on.
Off The switch is powered off.
SYSTEM
Steady Green The switch is on and functioning properly
Blinking Green The switch is rebooting and performing self-diagnostic tests.
Off The power is off or the system is not ready/malfunctioning.
Link/ACT
Steady Green Valid port connection;.
Blinking Green Valid port connection and there is data transmitting/receiving
Off Port disconnected.
The Reset Button
Reset the switch to its factory default configuration via the RESET button. Press the RESET button
for five seconds more and release. The switch automatically reboots and reloads its factory
configuration file. Press the RESET button for two seconds and release, the switch will warm boot
for hardware reset. The RESET button is on the front panel of the switch.
Console Port
This port is reserved for command-line interface (CLI) and RS232 firmware upgrade to use.

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1.4 The Rear Panel
The following figure shows the rear panel of the switch:
Power Receptacle
To be compatible with the electric service standards around the world, the switch is designed to
afford the power supply in the range from 100 to 240 VAC, 50/60 Hz. Please make sure that your
outlet standard to be within this range.
To power on the switch, please plug the female end of the power cord firmly into the receptacle of
the switch, the other end into an electric service outlet. After the switch powered on, please check if
the power LED is lit for a normal power status.
1.5 Installation
Unpacking Information
The product package should include the following:
zOne 24G/16G+4SFP Gigabit Ethernet Smart Managed Switch
zOne power cord
zRubber foot and screws
zRack-mount brackets
zOne CD-ROM for user manual
Rack-mount Installation
Rack Mounting the Switch in the 19-inch rack:
zDisconnect all cables from the switch before continuing.
zPlace the unit the right way up on a hard, flat surface with the front facing toward you.
zLocate a mounting bracket over the mounting holes on one side of the unit.
zInsert the screws and fully tighten with a suitable screwdriver.
zRepeat the two previous steps for the other side of the unit.
zInsert the unit into the 19" rack and secure with suitable screws (not provided).
zReconnect all cables.

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Installing Network Cables
To make a valid connection and obtain the optimal performance, an appropriate cable that
corresponds to different transmitting/receiving speed is required. To choose a suitable cable,
please refer to the following table.
Media Speed Wiring
Network
Media(Cable)
10 Mbps 10Base-T: UTP category 3, 4, 5 cable (maximum 100m)
EIA/TIA-568 100ΩSTP (maximum 100m)
100 Mbps 100Base-TX: UTP category 5, 5e cable (maximum 100m)
EIA/TIA-568 100ΩSTP (maximum 100m)
1000 Mbps 1000Base-T: UTP category 5e, 6 cable (maximum 100m)
EIA/TIA-568 100ΩSTP (maximum 100m)

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Chapter 2 Getting Started
2.1 Web-based Management Interface (Web UI)
The Web UI supports all frequently used web browsers listed below:
zInternet Explorer 8 and above
zFirefox 20.0 and above
zChrome 23.0 and above
zSafari 5.1.7 and above
2.2 Connect to switch Web Pages
1. To connect to the web server, input the IP of switch in the URL field of the browser.
2. The default IP is 192.168.1.1 and default Subnet mask is 255.255.255.0
3. Type “http://”and the IP address of the switch (for example, the default management IP address
is 192.168.1.1) in the Location or Address field. Press Enter.
4. The login screen appears. Enter the User Name and Password to login the configuration
interface. They are both admin by default. You can select Remember my password to
remember the User Name and Password.

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2.3 Graphic User Interface Overview
After the password authorization, the information page shows up. You may click on each folder on
the left column of each page to get access to each configuration page. The Graphic User Interface
is as follows:
24G+4SFP
16G+4SFP

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In the navigation panel, click a main link to reveal a list of submenu links shown as the following:
The following table describes the links in the navigation panel.
LINKS Submenu
Status
System Information.
Logging Message
Port – Statistics, Bandwidth Utilization
Link Aggregation
MAC Address Table
Network IP Address
System Time
Port
Port Setting
Link Aggregation – Group, Port Setting, LACP
EEE
Jumbo Frame
VLAN VLAN - Create VLAN, VLAN Configuration, Membership, Port
Setting
Voice VLAN - Property, Voice OUI
MAC Address Table Dynamic Address
Static Address
Spanning Tree Property
Port Setting
Statistics
Discovery (LLDP)
Property
Port Setting
Packet View
Local Information
Neighbor
Statistics
Multicast General – Property, Group Address, Router Port
IGMP Snooping – Property, Querier, Statistics
Security
Management Access – Management VLAN, Management
Service
Protected Port
Storm Control
DoS – Property, Port Setting
QoS General – Property, Queue Scheduling, CoS Mapping, DSCP
Mapping, IP Precedence Mapping
Rate Limit – Ingress/Egress Port, Egress Queue
Diagnostics
Logging – Property, Remove Server
Mirroring
Ping
Copper Test
Management
User Account
Firmware – Upgrade/Backup
Active Image
Configuration – Upgrade/Backup, Save Configuration,
Notification

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Chapter 3 Status
Use the Status pages to view system information and status.
3.1 System Information
Click Status >System Information
This page shows switch panel, CPU utilization, Memory utilization and other system current
information. It also allows user to edit some system information.
Field Description
Model Model name of the switch
System Name System name of the switch. This name will also use as CLI prefix of
each line
System Location Location information of the switch
System Contact Contact information of the switch
MAC Address Base MAC address of the switch
IPv4 Address Current system IPv4 address
IPv6 Address Current system IPv6 address
System OID SNMP system object ID

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System Uptime Total elapsed time from booting
Current Time Current system time
Loader Version Boot loader image version
Loader Date Boot loader image build date
Firmware Version Current running firmware image version
Firmware Date Current running firmware image build date
Telnet Current Telnet service enable/disable state
HTTP Current HTTP service enable/disable state
HTTPS Current HTTPS service enable/disable state
SNMP Current SNMP service enable/disable state
Click “Edit” button on the table title to edit following system information.
Field Description
System Name System name of the switch. This name will also use as CLI prefix of
each line.
System Location Location information of the switch.
System Contact Contact information of the switch.
3.2 Logging Message
Click Status >Logging Message
This page shows logging messages stored on the RAM and Flash.

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Field Description
Viewing The logging view including :
RAM : Show the logging messages stored on the RAM
Flash : Show the logging messages stored on the Flash.
Clear Clear the logging messages.
Refresh Refresh the logging messages.
Log ID The log identifier.
Time The time stamp for the logging message.
Severity The severity for the logging message.
Description The description of logging message.
3.3 Port
The port configuration page displays port summary and status information.
3.3.1 Statistics
Click Status >Port >Statistics
On this page user can get standard counters on network traffic from the interfaces, Ethernet-like
and RMON MIB. Interfaces and Ethernet-like counters display errors on the traffic passing through
each port. RMON counters provide a total count of different frame types and sizes passing through
each port.

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The “Clear” button will clear MIB counter of current selected port.
Field Description
Port Select one port to show counter statistics.
MIB Counter
Select the MIB counter to show different count type
All : All counters.
Interface : Interface related MIB counters
Etherlike : Ethernet-like related MIB counters
RMON : RMON related MIB counters
Refresh Rate Refresh the web page every period of seconds to get new counter of
specified port.

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3.3.2 Bandwidth Utilization
Click Status >Port >Bandwidth Utilization
This page allow user to browse ports’ bandwidth utilization in real time. This page will refresh
automatically in every refresh period.
Field Description
Refresh Rate Refresh the web page every period of second to get new bandwidth
utilization data.

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3.4 Link Aggregation
Click Status >Link Aggregation
Display the Link Aggregation status of web page.
Field Description
Lag LAG Name.
Name LAG port description
Type
The type of the LAG
Static : The group of ports assigned to a static LAG are always active
members.
LACP : The group of ports assigned to dynamic LAG are candidate
ports. LACP determines which candidate ports are active member ports.
Link Status LAG port link status
Active Member Active member ports of the LAG
Inactive Member Inactive member ports of the LAG

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3.5 MAC Address Table
Click Status >MAC Address Table
The MAC address table page displays all MAC address entries on the switch including static MAC
address created by administrator or auto learned from hardware.
The “Clear” button will clear all dynamic entries and “Refresh” button will retrieve latest MAC
address entries and show them on page.
Field Description
VLAN VLAN ID of the MAC address.
MAC Address MAC address
Type
The type of MAC address
Management : DUT’s base MAC address for management purpose.
Static : Manually configured by administrator.
Dynamic : Auto learned by hardware.
Port The type of port
CPU : DUT’s CPU port for management purpose
Other : Normal switch port

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Chapter 4 Network
Use the Network pages to configure settings for the switch network interface and how the switch
connects to a remote server to get services.
4.1 IP Address
Click Network >IP Address
Use the IP Setting screen to configure the switch IP address and the default gateway device. The
gateway field specifies the IP address of the gateway (next hop) for outgoing traffic.
The switch needs an IP address for it to be managed over the network. The factory default IP
address is 192.168.1.1. The subnet mask specifies the network number portion of an IP address.
The factory default subnet mask is 255.255.255.0.