J-Tech Digital JTD-2887 User manual
24 PORT POE SWITCH
JTD-2886 | JTECH-NSP24
48 PORT POE SWITCH
JTD-2887 | JTECH-NSP48
USER MANUAL
J-TECH DIGITAL INC.
9807 EMILY LANE
STAFFORD, TX 77477
TEL: 1-888-610-2818
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Table of Contents
1. Introduction....................................................................................5
1.1 Product Information ..............................................................................5
1.2 Features ...............................................................................................5
2. Web Configuration .........................................................................6
2.1 Device Menu Information......................................................................7
2.1.1 Device > Basic.................................................................................. 7
2.1.2 Device > Maintenance...................................................................... 8
2.1.3 Device > Syslog................................................................................ 9
2.1.4 Device > Configuration ................................................................... 11
2.1.5 Device > Port Management............................................................ 12
2.1.6 Device > Port Mirroring................................................................... 15
2.1.7 Device > PoE ................................................................................. 16
2.1.8 Device > Users ............................................................................... 17
2.1.9 Device > VCT ................................................................................. 19
2.1.10 Device > Flow Interval .................................................................. 20
2.1.11 Device > NTP ............................................................................... 25
2.1.12 Device > SNMP............................................................................ 26
2.2 Network Menu Information..................................................................28
2.2.1 Network > VLAN............................................................................. 28
2.2.2 Network > VLAN Interface.............................................................. 31
2.2.3 Network > Protocol VLAN............................................................... 32
2.2.4 Network > DHCP Snooping............................................................ 34
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2.2.5 Network > MAC Filter ..................................................................... 36
2.2.6 Network > Link Aggregation ........................................................... 41
2.2.7 Network > LACP............................................................................. 43
2.2.8 Network > LLDP ............................................................................. 44
2.2.9 Network > IGMP Snooping............................................................. 47
2.2.10 Network > Multicast VLAN............................................................ 48
2.2.11 Network > IPv4 Routing................................................................ 49
2.2.12 Network > MSTP .......................................................................... 50
2.2.13 Network > DHCP.......................................................................... 53
2.2.14 Network > Telnet .......................................................................... 54
2.3 Authentication Menu Information ........................................................56
2.3.1 Authen > 802.1x ............................................................................. 56
2.3.2 Authen > AAA................................................................................. 57
2.3.3 Authen > Radius............................................................................. 58
2.4 Security Menu Information..................................................................59
2.4.1 Security > IP Filter .......................................................................... 59
2.4.2 Security > ARP Attack Defense...................................................... 61
2.4.3 Security > Loopback Detection....................................................... 63
2.5 QoS Menu Information .......................................................................65
2.5.1 QoS > ACL IPv4 ............................................................................. 65
2.5.2 QoS > ACL IPv6 .....................................................................68
2.5.3 QoS > ACL Policy........................................................................... 70
2.5.4 QoS > ACL Resource..................................................................... 71
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2.5.5 QoS > Ports Rate Limit................................................................... 71
2.5.6 QoS > QoS ..................................................................................... 72
3. Appendix......................................................................................74
4. Maintenance ................................................................................74
5. Warranty ......................................................................................74
6. Mail-In Service .............................................................................75
7. Limited Warranty Limits and Exclusions.......................................75
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1. Introduction
1.1 Product Introduction
This series supports IPv4 / IPv6 double stack platform, and supports a variety of senior management
functions, including POE management, MAC Table, VLANs, Port Isolation, Loop Protection, IGMP
Snooping, MLD Snooping, ERPS, DHCP client, DHCP Snooping, STP/RSTP/MSTP, 802.1 x, QoS, port
mirror, LLDP, static routing and NTP etc., 128 static routing and basic QINQ, to provide users with the
perfect solution; At the same time the whole series supports SNMP v1 / v2, v3 (Simple Network
Management Protocol), CLI command line, Web net tube, TELNET mode of Management, make
equipment management more convenient, at the same time, with the ACL control function, attack
prevention function, ensuring secure management.
The series complies with FCC and CE standards, and support 1 channel ac power input. Using the
mute fan, can adapt to work environment temperature range of - 40 ℃to 75 ℃, also, it can satisfy
the requirements of the various site and provide reliable, economical solution.
1.2 Features
•IEEE802.3, IEEE802.3u, IEEE802.3ab, IEEE802.3z, IEEE802.3ae
•V-Ring looped redundancy technology. Self-healing time for looped network is less than
20ms.
•PoE management, POE load timing restart and on-off.
•IGMP Snooping, Static multicast filtering, MLD Snooping filtering
•DHCP Snooping, protect from ARP attack, attack of illegal DHCP server access
•NTP, easy for real-time synchronization of network time
•Supports SNMP v1/v2/v3
•Supports LLDP
•ACL, enhance the flexibility and safety of network management
•QoS, enhance the stability of network
•Port mirror, convenient for online debug
•Cable testing, convenient for the examining cable length in a project
•STP/RSTP/MSTP, enhance the stability of network
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•IEEE802.1Q VLAN, IEEE802.1ad QINQ
•802.1x authentication to port and MAC
•Static routing L3 switching technology
•Operation temperature range: -40℃～75℃
•Storage temperature range: -40℃～85℃
2. Web Configuration
Open installed web browser on your PC, input the switch’s IP address like http://xxx.xxx.xxx.xxx, then
open that URL to login web management.
Note: IP address of switch is 192.168.2.1 by default. So please input http://192.168.2.1 in browser.
If you cannot access the switches web interface, please make sure that your PC is has a static IP that
matches the default IP of the switch (for ex. 192.168.2.11).
When the login window appears, please enter the default username "admin" with password "system".
Then click OK to login.
Default User Name: admin
Default Password: system
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2.1 Device Menu Information
2.1.1 Device > Basic
After successfully logging in to the page, the web page directly jumps to the system information page,
and you can also select the "Device Overview" or "Device → Basic Information" path to view the
switch system information. You can view the device's MAC address, software version, production
serial number, etc. on the system information page, modify the system name, MAC address aging
time (default 300 seconds).
The meaning of the key items on the page is shown in the table below.
Operation
Explanation
Software Version / Hardware Version /
Bootloader Version
Display the software version number, hardware
version number, and the bootloader version of
the currently running software
MAC Address
Displays the MAC address of the switch
Operation Hours
Displays the switches continuous running time
since being powered on
Production Serial Number (SN)
Shows the production serial number of the
switch
System Name
Customize the device name so that you can
quickly locate it by this name
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MAC Address Aging Time
Configure the aging time of the dynamic MAC
address entries. The default is 300 seconds.
2.1.2 Device > Maintenance
Equipment maintenance includes equipment software update, reboot, and fault maintenance.
Software Update:
Page wizard: Device → Maintenance → Software Update, the page is as shown in the figure below.
Upgrade the switch software to the latest version, which will make your device more stable and more
functional (click the <Browse...> button, select the latest version file, and click the <OK> button to
start the upgrade)
Do not power off the device during the upgrade process.
Reboot:
Page wizard: Device → Maintenance → Reboot, the page is as shown in the figure below. Select the
<Reboot> button to restart.
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Before restarting the device, please save the current configuration. Otherwise, after restarting,
unsaved configuration information will be lost.
Fault Maintenance:
Page Wizard: Device → Equipment Maintenance → Fault Maintenance, the page is shown below.
Select the <Fault Collecting> button, and all fault maintenance information will be backed up to your
PC.
2.1.3 Device > Syslog
The system log records information about hardware, software, and system problems in the system. It
can also monitor events that occur in the system, providing powerful support for network
administrators to monitor network operation and diagnose network faults.
Loglist:
Page Wizard: Device →Syslog →Loglist, the page is shown in the figure below.
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The meaning of the key items on the page is shown in the table below.
Operation
Explanation
Refresh Rate
Control the refresh rate of the page through the
selection of “Refresh Rate” drop down box
Query Item
Query the log information you need to follow
through the selection of the “Query Item” drop
down box
Positive Sequence Display
Log information is displayed in the order from
the first to the last. The reverse display is the
opposite
Download
Click the <Download> button to save all log
information locally for easy viewing
Refresh
Click the <Refresh> button to manually refresh
the log information
Clear
Click the <Clear> button to delete all log
information
Log Setup:
Page Wizard: Device →Syslog →Log Setup
This manual suits for next models
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