Black Box LGB1110A User manual

L G B 11X X S E R I E S
GIGABIT
MANAGED
ENET SWITCH
USER MANUAL
24/7 TECHNICAL SUPPORT AT 1.877.877.2269 OR VISIT BLACKBOX.COM

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TABLE OF CONTENTS
REVISION HISTORY .......................................................................................................................................................................... 7
1. INTRODUCTION ............................................................................................................................................................................ 8
1.1 Overview ....................................................................................................................................................................................................8
1.2 Available Models ......................................................................................................................................................................................8
1.3 Features ....................................................................................................................................................................................................8
2. OPERATION OF WEB-BASED MANAGEMENT ............................................................................................................................ 9
2.1 Initial Configuration..................................................................................................................................................................................9
3. SYSTEM CONFIGURATION......................................................................................................................................................... 11
3.1 System.....................................................................................................................................................................................................11
3.1.1 Information .........................................................................................................................................................................................................11
3.1.2 IP ..........................................................................................................................................................................................................................12
3.1.3 NTP ......................................................................................................................................................................................................................14
3.1.4 Time.....................................................................................................................................................................................................................16
3.1.5 Log.......................................................................................................................................................................................................................19
3.2 Green Ethernet........................................................................................................................................................................................20
3.3 Ports Configuration ...............................................................................................................................................................................22
3.3.1 Ports....................................................................................................................................................................................................................22
3.3.2 Ports Description .............................................................................................................................................................................................24
3.4 DHCP .......................................................................................................................................................................................................25
3.4.1 Server..................................................................................................................................................................................................................25
3.4.1.1 Mode ...........................................................................................................................................................................................................25
3.4.1.2 Excluded IP................................................................................................................................................................................................26
3.4.1.3 Pool .............................................................................................................................................................................................................27
3.4.2 Snooping............................................................................................................................................................................................................28
3.4.3 Relay ...................................................................................................................................................................................................................30
3.5 Security ...................................................................................................................................................................................................31
3.5.1 Switch .................................................................................................................................................................................................................31
3.5.1.1 Users ...........................................................................................................................................................................................................31
3.5.1.2 Privilege Level ...........................................................................................................................................................................................32
3.5.1.3 Authentication Method ...........................................................................................................................................................................33
3.5.1.4 S SH .............................................................................................................................................................................................................34
3.5.1.5 HTTPs.........................................................................................................................................................................................................35
3.5.1.6 Access Management ..............................................................................................................................................................................36
3.5.1.7 SNMP..........................................................................................................................................................................................................37
3.5.1.8 RMON .........................................................................................................................................................................................................47
3.5.2 Network..............................................................................................................................................................................................................51
3.5.2.1 Limit Control .............................................................................................................................................................................................51
3.5.2.2 NAS.............................................................................................................................................................................................................54
3.5.2.3 ACL .............................................................................................................................................................................................................61
3.5.2.4 IP Source Guard.......................................................................................................................................................................................67
3.5.2.5 ARP Inspection.........................................................................................................................................................................................69

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TABLE OF CONTENTS
3.5.3 AAA...........................................................................................................................................................................................................................74
3.5.3.1 RADIUS ......................................................................................................................................................................................................74
3.5.3.2 TACACS+...................................................................................................................................................................................................76
3.6 Aggregation ............................................................................................................................................................................................77
3.6.1 Static...................................................................................................................................................................................................................77
3.6.2 LACP...................................................................................................................................................................................................................79
3.7 Loop Protection......................................................................................................................................................................................80
3.8 Spanning Tree.........................................................................................................................................................................................82
3.8.1 Bridge Setting....................................................................................................................................................................................................83
3.8.2 MSTI Mapping ..................................................................................................................................................................................................84
3.8.3 MSTI Priorities..................................................................................................................................................................................................86
3.8.4 CIST Ports .........................................................................................................................................................................................................87
3.8.5 MSTI Ports ........................................................................................................................................................................................................88
3.9 IPMC Profile............................................................................................................................................................................................90
3.9.1 Profile Table .......................................................................................................................................................................................................90
3.9.2 Address Entry....................................................................................................................................................................................................92
3.10 MVR .......................................................................................................................................................................................................93
3.11 IPMC ......................................................................................................................................................................................................95
3.11.1 IGMP Snooping ...............................................................................................................................................................................................95
3.11.1.1 Basic Configuration ................................................................................................................................................................................95
3.11.1.2 VL A N C onf ig uration ...............................................................................................................................................................................96
3.11.1.3 Port Filtering Profile ...............................................................................................................................................................................98
3.11.2 MLD Snooping.................................................................................................................................................................................................99
3.11.2.1 Basic Configuration .............................................................................................................................................................................100
3.11.2.2 VLAN Configuration ............................................................................................................................................................................102
3.11.2.3 Port Filtering Profile.............................................................................................................................................................................103
3.12 LLDP.....................................................................................................................................................................................................105
3.12.1 LLDP Configuration......................................................................................................................................................................................105
3.12.2 LLDP-MED Configuration ...........................................................................................................................................................................107
3.13 MAC Table ........................................................................................................................................................................................... 112
3.14 VLANs..................................................................................................................................................................................................114
3.15 Private VLANs.....................................................................................................................................................................................117
3.15.1 VLAN Membership.......................................................................................................................................................................................117
3.15.2 Port Isolation.................................................................................................................................................................................................118
3.16 VCL ....................................................................................................................................................................................................... 119
3.16.1 MAC -based VL A N ........................................................................................................................................................................................119
3.16.2 Protocol-based VLAN..................................................................................................................................................................................120
3.16.2.1 Protocol to Group.................................................................................................................................................................................120
3.16.2.2 Group to VLAN .....................................................................................................................................................................................122
3.16.3 IP Subnet-based VLAN ...............................................................................................................................................................................123
3.17 Voice VLAN .........................................................................................................................................................................................124
3.17.1 Configuration .................................................................................................................................................................................................124
3.17.2 OUI ...................................................................................................................................................................................................................126

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TABLE OF CONTENTS
3.18 QoS ......................................................................................................................................................................................................127
3.18.1 Port Classification........................................................................................................................................................................................127
3.18.2 Port Policing..................................................................................................................................................................................................129
3.18.3 Port Schedulers............................................................................................................................................................................................130
3.18.4 Port Shaping..................................................................................................................................................................................................132
3.18.5 Port Tag Remarking.....................................................................................................................................................................................134
3.18.6 Port DSCP......................................................................................................................................................................................................136
3.18.7 DSCP-Based QoS .........................................................................................................................................................................................137
3.18.8 DSCP Translation .........................................................................................................................................................................................139
3.18.9 DSCP Classification.....................................................................................................................................................................................140
3.18.10 QoS Control List Configuration................................................................................................................................................................141
3.18.11 S torm Control ............................................................................................................................................................................................. 144
3.19 Mirror ...................................................................................................................................................................................................145
3.20 UPnP....................................................................................................................................................................................................146
3.21 GCRP ...................................................................................................................................................................................................147
3.21.1 Global Config.................................................................................................................................................................................................147
3.21.2 Port Config ....................................................................................................................................................................................................149
3.22 sFlow...................................................................................................................................................................................................150
3.23 Switch2go..........................................................................................................................................................................................152
3.23.1 Switch2go Setting........................................................................................................................................................................................152
3.23.2 User Link Management ..............................................................................................................................................................................153
3.23.3 Port Name Service......................................................................................................................................................................................154
3.24 SMTP Configuration ..........................................................................................................................................................................155
4. MONITOR .................................................................................................................................................................................. 156
4.1 System ...................................................................................................................................................................................................156
4.1.1 Information .......................................................................................................................................................................................................156
4.1.2 IP Status ...........................................................................................................................................................................................................157
4.1.3 Log .....................................................................................................................................................................................................................159
4.1.4 Detailed Log .....................................................................................................................................................................................................160
4.2 Green Ethernet......................................................................................................................................................................................161
4.3 Ports......................................................................................................................................................................................................162
4.3.1 Traffic Overview..............................................................................................................................................................................................162
4.3.2 QoS Statistics .................................................................................................................................................................................................163
4.3.3 QCL Status ......................................................................................................................................................................................................164
4.3.4 Detailed Statistics..........................................................................................................................................................................................165
4.3.5 SFP Information .............................................................................................................................................................................................168
4.4 DHCP .....................................................................................................................................................................................................169
4.4.1 Server................................................................................................................................................................................................................169
4.4.1.1 Statistics...................................................................................................................................................................................................169
4.4.1.2 Binding......................................................................................................................................................................................................170
4.4.1.3 Declined IP...............................................................................................................................................................................................171
4.4.2 Snooping Table...............................................................................................................................................................................................171
4.4.3 Relay Statistics ...............................................................................................................................................................................................172
4.4.4 Detailed Statistics ..........................................................................................................................................................................................173

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TABLE OF CONTENTS
4.5 Security ................................................................................................................................................................................................. 174
4.5.1 Access Management Statistics ..................................................................................................................................................................174
4.5.2 Network............................................................................................................................................................................................................175
4.5.2.1 Port Security ...........................................................................................................................................................................................175
4.5.2.2 NAS...........................................................................................................................................................................................................178
4.5.2.3 ACL Status ..............................................................................................................................................................................................181
4.5.2.4 ARP Inspection.......................................................................................................................................................................................183
4.5.2.5 IP Source Guard.....................................................................................................................................................................................184
4.5.3 AAA...................................................................................................................................................................................................................185
4.5.3.1 RADIUS Overview ..................................................................................................................................................................................185
4.5.3.2 RADIUS Details.......................................................................................................................................................................................186
4.5.4 Switch..............................................................................................................................................................................................................192
4.6 LACP......................................................................................................................................................................................................197
4.6.1 System Status.................................................................................................................................................................................................197
4.6.2 Port Status ......................................................................................................................................................................................................198
4.6.3 Port Statistics .................................................................................................................................................................................................199
4.7 Loop Protection................................................................................................................................................................................... 200
4.8 Spanning Tree...................................................................................................................................................................................... 201
4.8.1 Bridge Status.................................................................................................................................................................................................. 201
4.8.2 Port Status ..................................................................................................................................................................................................... 202
4.8.3 Port Statistics ................................................................................................................................................................................................ 203
4.9 MVR ...................................................................................................................................................................................................... 204
4.9.1 Statistics.......................................................................................................................................................................................................... 204
4.9.2 MVR Channels Groups................................................................................................................................................................................. 205
4.9.3 MVR SFM Information ................................................................................................................................................................................. 206
4.10 IPMC ................................................................................................................................................................................................... 207
4.10.1 IGMP Snooping ............................................................................................................................................................................................ 207
4.10.1.1 Status ..................................................................................................................................................................................................... 207
4.10.1.2 Group Information ............................................................................................................................................................................... 209
4.10.1.3 IPv4 SFM Information .........................................................................................................................................................................210
4.10.2 MLD Snooping ..............................................................................................................................................................................................211
4.10.2.1 Status .....................................................................................................................................................................................................211
4.10.2.2 Group Information ...............................................................................................................................................................................212
4.10.2.3 IPv6 SFM Information.........................................................................................................................................................................213
4.11 LLDP.....................................................................................................................................................................................................214
4.11.1 Neighbor .........................................................................................................................................................................................................214
4.11.2 LLDP-MED Neighbor....................................................................................................................................................................................216
4.11.3 EEE...................................................................................................................................................................................................................219
4.11.4 Port Statistics............................................................................................................................................................................................... 220
4.12 MAC Table .......................................................................................................................................................................................... 222
4.13 VLANs................................................................................................................................................................................................. 223
4.13.1 VLAN Membership...................................................................................................................................................................................... 223
4.13.2 VLAN Port..................................................................................................................................................................................................... 225

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TABLE OF CONTENTS
4.14 VCL...................................................................................................................................................................................................... 226
4.14.1 MAC-based VLAN ....................................................................................................................................................................................... 226
4.14.2 Protocol-based VLAN................................................................................................................................................................................. 227
4.14.2.1 Protocol to Group................................................................................................................................................................................ 227
4.14.2.2 Group to VLAN .................................................................................................................................................................................... 228
4.14.3 IP Subnet-based VLAN .............................................................................................................................................................................. 229
4.15 sFlow................................................................................................................................................................................................... 231
5. DIAGNOSTICS............................................................................................................................................................................ 233
5.1 Ping....................................................................................................................................................................................................... 233
5.2 Ping6 .................................................................................................................................................................................................... 234
5.3 VeriPHY................................................................................................................................................................................................ 235
5.4 Traceroute............................................................................................................................................................................................ 236
6. MAINTENANCE ......................................................................................................................................................................... 237
6.1 Restart Device...................................................................................................................................................................................... 237
6.2 Factory Defaults .................................................................................................................................................................................. 238
6.3 Firmware .............................................................................................................................................................................................. 239
6.3.1 Firmware Upgrade......................................................................................................................................................................................... 239
6.3.2 Firmware Selection....................................................................................................................................................................................... 240
6.4 Configuration........................................................................................................................................................................................241
6.4.1 Save startup-config .......................................................................................................................................................................................241
6.4.2 Upload ..............................................................................................................................................................................................................242
6.4.3 Download........................................................................................................................................................................................................ 243
6.4.4 Activate............................................................................................................................................................................................................ 244
6.4.5 Delete............................................................................................................................................................................................................... 245
7. DMS MANAGEMENT ................................................................................................................................................................. 246
7.1 Information........................................................................................................................................................................................... 246
7.2 Device List.............................................................................................................................................................................................247
8. DMS GRAPHIC MONITORING .................................................................................................................................................. 249
8.1 Topology View.......................................................................................................................................................................................249
8.2 Floor View .............................................................................................................................................................................................251
8.3 Map View ............................................................................................................................................................................................. 252
9. DMS MAINTENANCE................................................................................................................................................................. 253
9.1 Floor Image .......................................................................................................................................................................................... 253
9.2 Troubleshooting .................................................................................................................................................................................. 254
9.3 Traffic Chart......................................................................................................................................................................................... 255
10. COMPLIANCE .......................................................................................................................................................................... 256
10.1 FCC...................................................................................................................................................................................................... 256
10.1.1 FCC WARNING ........................................................................................................................................................................... 256
10.1.2 FCC CAUTION............................................................................................................................................................................ 256
10.2 CE........................................................................................................................................................................................................ 256

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REVISION HISTORY
RELEASE: V6.38
REVISION HISTORY

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CHAPTER 1: INTRODUCTION
1.1 O V E R V I E W
This user’s manual explains how to install and connect your network system and configure and monitor the Gigabit Managed Ethernet
Switch through the web via an RJ-45 serial interface and Ethernet ports.
The Gigabit Managed Ethernet Switch provides a reliable infrastructure for your business network. These switches deliver the intelligent
features you need to improve the availability of your critical business applications, protect your sensitive information, and optimize
your network bandwidth. The switches are ideal for entry-level networking, including small business and enterprise applications.
1.2 AVAILABLE MODELS
Three Gigabit Managed Ethernet Switch models are available:
Gigabit Managed Ethernet Switch - 10-Ports (LGB1110A)
Gigabit Managed Ethernet Switch - 26-Ports (LGB1126A-R2)
Gigabit Managed Ethernet Switch - 52-Ports (LGB1152A)
1.3 FEATURES
All Gigabit Managed Ethernet Switch provide these functions:
L2+ features provide better manageability, security, QoS, and performance.
IPv4/IPv6 dual stack management
SSH/SSL secured management
SNMP v1/v2c/v3
RMON groups 1,2,3,9
sFlow
IGMP v1/v2/v3 Snooping
MLD v1/v2 Snooping
RADIUS and TACACS+ authentication
IP Source Guard
DHCP Relay (Option 82)
DHCP Snooping
ACL and QCL for traffic filtering
802.1d (STP), 802.1w (RSTP) and 802.1s (MSTP)
LACP and static link aggregation
Q-in-Q double tag VLAN
GVRP dynamic VLAN

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CHAPTER 2: OPERATION OF WEB-BASED MANAGEMENT
2.1 INITIAL CONFIGURATION
This chapter instructs you how to configure and manage the Gigabit Managed Ethernet Switch through the web user interface. It
enables you to easily access and monitor, through any one port of the switch, MIBs status, each port activity, Spanning tree status, port
aggregation status, multicast traffic, VLAN and priority status, illegal access records, and so on.
THE DEFAULT VALUES OF THE GIGABIT MANAGED ETHERNET SWITCH ARE LISTED BELOW:
IP Address: 192.168.1.1
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.1.254
Username: admin
Password: blank
After the Gigabit Managed Ethernet Switch finishes configuring the IT interface, you can browse it. For instance, type http://192.168.1.1
in the address row in a browser, and it will show the following screen and ask you to input the username and password to login
and access authentication.
FIGURE 2-1. LOGIN SCREEN
The default username is “admin” and password is blank. For first-time use, enter the default username and password, and then click the
<Login> button. The login process now is completed. In this login menu, input the complete username and password respectively, the
Gigabit Managed Ethernet Switch will not give you a shortcut to username automatically. This looks inconvenient, but safer.
In the Gigabit Managed Ethernet Switch, two or more users can use the administrator’s identity to manage this switch.
NOTE: When you log in to the Switch Web/CLI, you must first type the username (admin). Password is blank, so after you type admin, just
press enter in the management page to enter the Web/CLI.
When you log in to the Gigabit Managed Ethernet Switch series switch Web UI management, you can use both ipv4 and ipv6 login.
To optimize the display, we recommend that you use Microsoft IE 6.0 or above, Netscape V7.1 or above or Firefox V1.00 above with
resolution of 1024 x 768 or above.

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CHAPTER 2: OPERATION OF WEB-BASED MANAGEMENT
NOTE: The Gigabit Managed Ethernet Switch enables DHCP, so If you do not have a DHCP server to provide ip addresses to the switch, use
the Switch default ip 192.168.1.1

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CHAPTER 3: SYSTEM CONFIGURATION
This chapter describes basic configuration tasks, including the System Information and switch management (e.g. Time, Account,
IP, Syslog and NTP.)
3.1 S Y S T E M
You can identify the system by configuring the contact information, name, and location of the switch.
3.1.1 INFORMATION
The switch system’s contact information is provided here.
WEB INTERFACE
To configure System Information in the web interface:
1. Click Configuration, System, and Information.
2. Type in System Contact, System Name, and System Location information in this page.
3. Click Apply.
FIGURE 3-1. SYSTEM INFORMATION SCREEN
Parameter description:
System Contact: The textual identification of the contact person for this managed node, together with information on how to
contact this person. The allowed string length is 0 to 128, and the allowed content includes ASCII characters from 32 to 126.
System name: An administratively-assigned name for this managed node. By convention, this is the node’s fully qualified domain
name. A domain name is a text string drawn from the alphabet (A-Z, a-z), digits (0-9), and minus sign (-). No space characters are
permitted as part of a name. The first character must be an alpha character. And the first or last character must not be a minus
sign. The allowed string length is 0 to 128.
System Location: The physical location of this node(e.g., telephone closet, 3rd floor). The allowed string length is 0 to 128, and the
allowed content is ASCII characters from 32 to 126.

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CHAPTER 3: SYSTEM CONFIGURATION
3.1.2 I P
The IPv4 address for the switch can be obtained via DHCP Server for VLAN 1. To manually configure an address, you need to
change the switch’s default settings to values that are compatible with your network. You may also need to establish a default
gateway between the switch and management stations that exist on another network segment.
Configure the switch-managed IP information on this page.
Configure IP basic settings, control IP interfaces and IP routes.
The maximum number of interfaces supported is 8 and the maximum number of routes is 32.
WEB INTERFACE
To configure an IP address in the web interface:
1. Click Configuration, System, IP.
2. Click Add Interface, then you can create new Interface on the switch.
3. Click Add Route, then you can create new Route on the switch.
4. Click Apply.
FIGURE 3-2. IP CONFIGURATION SCREEN

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CHAPTER 3: SYSTEM CONFIGURATION
Parameter description:
IP Configuration
Mode: Configure whether the IP stack should act as a Host or a Router. In Host mode, IP traffic between interfaces will not be routed.
In Router mode, traffic is routed between all interfaces.
DNS Server: This setting controls the DNS name set for the switch. The following modes are supported:
- From any DHCP interfaces: The first DNS server offered from a DHCP lease to a DHCP-enabled interface will be used.
- No DNS server: No DNS server will be used.
- Configured: Explicitly provide the IP address of the DNS Server in dotted decimal notation.
- From this DHCP interface: Specify from which DHCP-enabled interface a provided DNS server should be preferred.
• DNS Proxy: When DNS proxy is enabled, the system will relay DNS requests to the currently configured DNS server, and reply as a DNS
resolver to the client devices on the network.
IP Interfaces
Delete: Select this option to delete an existing IP interface.
VLAN: The VLAN associated with the IP interface. Only ports in this VLAN will be able to access the IP interface. This field is only
available for input when creating an new interface.
IPv4 DHCP Enabled: Enable the DHCP client by checking this box. If this option is enabled, the system will configure the IPv4 address
and mask of the interface using the DHCP protocol. The DHCP client will announce the configured System Name as hostname to
provide DNS lookup.
IPv4 DHCP Fallback Timeout: The number of seconds the switch will try to obtain a DHCP lease. After this period expires, a configured
IPv4 address will be used as IPv4 interface address. A value of zero disables the fallback mechanism, so DHCP will keep retrying until
a valid lease is obtained. Legal values are 0 to 4294967295 seconds.
IPv4 DHCP Current Lease: For DHCP interfaces with an active lease, this column shows the current interface address, as provided by
the DHCP server.
IPv4 Address: The IPv4 address of the interface in dotted decimal notation. If DHCP is enabled, this field is not used. The field may
also be left blank if IPv4 operation on the interface is not desired.
IPv4 Mask: The IPv4 network mask, in number of bits (prefix length). Valid values are between 0 and 30 bits for a IPv4 address. If
DHCP is enabled, this field is not used. The field may also be left blank if IPv4 operation on the interface is not desired.
IPv6 Address: The IPv6 address of the interface. An IPv6 address is in 128-bit records represented as eight fields of up to four
hexadecimal digits with a colon separating each field (:). For example, fe80::215:c5ff:fe03:4dc7. The symbol :: is a special syntax that
can be used as a shorthand way of representing multiple 16-bit groups of contiguous zeros; but it can appear only once. It can also
represent a legally valid IPv4 address. For example, ::192.1.2.34.
The field may be left blank if IPv6 operation on the interface is not desired.
IPv6 Mask: The IPv6 network mask, in number of bits (prefix length). Valid values are between 1 and 128 bits for a IPv6 address. The
field may be left blank if IPv6 operation on the interface is not desired.

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CHAPTER 3: SYSTEM CONFIGURATION
IP Routes
Delete: Select this option to delete an existing IP route.
Network: The destination IP network or host address of this route. Valid format is dotted decimal notation or a valid IPv6 notation. A
default route can use the value 0.0.0.0or IPv6 :: notation.
Mask Length: The destination IP network or host mask, in number of bits (prefix length). It defines how much of a network address
that must match, in order to qualify for this route. Valid values are between 0 and 32 bits, respectively, 128 for IPv6 routes. Only a
default route will have a mask length of 0 (as it will match anything).
Gateway: The IP address of the IP gateway. Valid format is dotted decimal notation, or a valid IPv6 notation. Gateway and Network
must be of the same type.
Next Hop VLAN (Only for IPv6): The VLAN ID (VID) of the specific IPv6 interface associated with the gateway.
The given VID ranges from 1 to 4094 and will be effective only when the corresponding IPv6 interface is valid.
If the IPv6 gateway address is link-local, it must specify the next hop VLAN for the gateway.
If the IPv6 gateway address is not link-local, the system ignores the next hop VLAN for the gateway.
Buttons
Add Interface: Click to add a new IP interface. A maximum of 8 interfaces is supported.
Add Route: Click to add a new IP route. A maximum of 32 routes is supported.
Apply: Click to save changes.
Reset: Click to undo any changes made locally and revert to previously saved values.
3.1.3 N T P
NTP is Network Time Protocol and is used to sync the network time based Greenwich Mean Time (GMT). If you use the NTP mode and
select a built-in NTP time server or manually specify an user-defined NTP server as well as Time Zone, the switch will sync the time
shortly after pressing <Apply> button. Though it synchronizes the time automatically, NTP does not update the time periodically without
user’s processing.
Time Zone is an offset time off GMT. You have to select the time zone first and then perform time sync via NTP, because the switch will
combine this time zone offset and updated NTP time to result as the local time; otherwise, you will not able to get the correct time. The
switch supports configurable time zone from –12 to +13 step 1 hour.
Default Time zone: +8 Hrs.
WEB INTERFACE
To configure NTP in the web interface:
1. Click Configuration, System, NTP.
2. Specify the Time parameter in manual parameters.
3. Click Apply.

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FIGURE 3-3. NTP CONFIGURATION SCREEN
Parameter description:
Mode: Indicates the NTP mode operation. Possible modes are:
Enabled: Enable NTP client mode operation.
Disabled: Disable NTP client mode operation.
Server 1 to 5: Provide the NTP IPv4 or IPv6 address of this switch. IPv6 address is in 128-bit records represented as eight fields of
up to four hexadecimal digits with a colon separating each field (:). For example, ‘fe80::215:c5ff:fe03:4dc7’. The symbol ‘::’ is a special
syntax that can be used as a shorthand way of representing multiple 16-bit groups of contiguous zeros; but it can only appear once. It
can also represent a legally valid IPv4 address. For example, ‘::192.1.2.34’.
Buttons: These buttons are displayed on the NTP page:
- Apply – Click to save changes.
- Reset - Click to undo any changes made locally and revert to previously saved values.

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CHAPTER 3: SYSTEM CONFIGURATION
3.1.4 T I M E
The switch provides manual and automatic ways to set the system time via NTP. Manual setting is simple—just input “Year”, “Month”,
“Day”, “Hour” and “Minute” within the valid value range indicated in each item.
WEB INTERFACE
To configure Time in the web interface:
1. Click Configuration, System and Time.
2. Specify the Time parameter.
3. Click Apply.
FIGURE 3-4. TIME CONFIGURATION SCREEN

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CHAPTER 3: SYSTEM CONFIGURATION
FIGURE 3-5. DAYLIGHT SAVINGS TIME CONFIGURATION SCREEN
Parameter description:
Time Configuration
Clock Source: There are two modes for configuring how the Clock Source from. Select “Use Local Settings” : Clock Source from Local
Time. Select “Use NTP Server” : Clock Source from NTP Server.
System Date: Show the current time of the system. The system year is a value between 2011 and 2037.
Time Zone Configuration
Time Zone: Lists various Time Zones worldwide. Select the appropriate Time Zone from the drop-down box and click Apply to set.
Acronym: The user can set the acronym of the time zone. This acronym identifies the time zone. (Range: Up to 16 characters)

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CHAPTER 3: SYSTEM CONFIGURATION
Daylight Savings Time Configuration
Daylight Savings Time: Use this to set the clock forward or backward according to the configurations set below for a defined Daylight
Savings Time duration. Select “Disable” to disable the Daylight Savings Time configuration. Select “Recurring” and configure the
Daylight Savings Time duration to repeat the configuration every year. Select “Non-Recurring” and configure the Daylight Saving Time
duration for a single time configuration. (Default: Disabled ).
Recurring Configuration
Start time settings:
- Week - Select the starting week number.
- Day - Select the starting day.
- Month - Select the starting month.
- Hours - Select the starting hour.
- Minutes - Select the starting minute.
• End time settings:
- Week - Select the ending week number.
- Day - Select the ending day.
- Month - Select the ending month.
- Hours - Select the ending hour.
- Minutes - Select the ending minute.
Offset settings: Offset - Enter the number of minutes to add during Daylight Saving Time. (Range: 1 to 1440)
NOTE: “Start Time Settings” and “End Time Settings” display what you set in the “Start Time Settings” and “End Time Settings” fields.
Buttons: These buttons are displayed on the NTP page:
- Apply – Click to save changes.
- Reset - Click to undo any changes made locally and revert to previously saved values.

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CHAPTER 3: SYSTEM CONFIGURATION
3.1.5 LO G
The log is a standard for logging program messages . It allows separation of the software that generates messages from the system
that stores them and the software that reports and analyzes them. It can be used as well as generalized informational, analysis, and
debugging messages. It is supported by a wide variety of devices and receivers across multiple platforms.
WEB INTERFACE
To configure log configuration in the web interface:
1. Click Configuration, System and log.
2.Specify the syslog parameters, including the IP Address of the Syslog server and Port number.
3. Select the Syslog to enable it.
4. Click Apply.
FIGURE 3-6. SYSTEM LOG CONFIGURATION SCREEN
Parameter description:
Server Mode: Indicates the server mode operation. When the mode operation is enabled, the syslog message will be sent out to the
syslog server. The syslog protocol is based on UDP communication and received on UDP port 514. The syslog server will not send
acknowledgments back to the sender since UDP is a connectionless protocol and it does not provide acknowledgments. The syslog
packet will always be sent ou,t even if the syslog server does not exist. Possible modes are:
- Enabled: Enable server mode operation.
- Disabled: Disable server mode operation.
• Server Address: Indicates the IPv4 hosts address of the syslog server. If the switch provides a DNS feature, it also can be a host name.
• Syslog Level: Indicates what kind of message will be sent to a syslog server. Possible modes are:
- Info: Send information, warnings, and errors.
- Warning: Send warnings and errors.
- Error: Send errors.

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CHAPTER 3: SYSTEM CONFIGURATION
Buttons: These buttons are displayed on the NTP page:
- Apply – Click to save changes.
- Reset - Click to undo any changes made locally and revert to previously saved values.
3.2 GREEN ETHERNET
EEE is a power-saving option that reduces the power usage when there is low or no traffic use.
EEE works by powering down circuits when there is no traffic. When a port gets data to be transmitted, all circuits are powered up.
The time it takes to power up the circuits is named wakeup time. The default wakeup time is 17 µs for 1-Gbit links and 30 µs for
other link speeds. EEE devices must agree upon the value of the wakeup time to make sure that both the receiving and transmitting
devices have all circuits powered up when traffic is transmitted. The devices can exchange wakeup time information using the
LLDP protocol.
EEE works for ports in auto-negotiation mode, where the port is negotiated to either 1G or 100 Mbit full-duplex mode.
For ports that are not EEE-capable, the corresponding EEE checkboxes are grayed out; so you cannot enable EEE for these ports.
When a port is powered down to save power, outgoing traffic is stored in a buffer until the port is powered up again. Because there
is some overhead in powering the port off and on, more power can be saved if the traffic can be buffered until a large burst of
traffic can be transmitted. Buffering traffic will give some latency in the traffic.
WEB INTERFACE
To configure a Port Power Saving Configuration in the web interface:
1. Click Configuration, Green Ethernet.
2. Enable or disable the ActiPHY, PerfectReach, EEE, and EEE Urgent Queues.
3. Click Apply.
FIGURE 3-7. PORT POWER SAVING CONFIGURATION SCREEN