Versitron SG75270M Owner's manual

i

SG75270M

52-Port 10/100/1000Base

Managed Switch

User’s Manual

v1.00

trademarks of their respective companies.

VERSITRON, Inc.

83 Albe Drive / Suite C

Newark, DE 19702

www.versitron.com

ii

PROPRIETARY DATA

All data in this manual is proprietary and may not be disclosed,

used or duplicated, for procurement or manufacturing purposes,

without prior written permission by VERSITRON.

VERSITRON LIFETIME WARRANTY

All VERSITRON products are covered by a Lifetime Warranty against defects in materials and

workmanship. This coverage is applicable to the original purchaser and is not transferable.

We repair, or at our option, replace parts/products that, during normal usage and operation, are proven

to be defective during the time you own the products, provided that said products and parts are still

manufactured and/or available. Such repair/replacement is subsequent to receipt of your product at

our facility and our diagnostic evaluation and review of the unit. Advance replacements are not

provided as part of the warranty coverage.

This warranty does not cover damage to products caused by misuse, mishandling, power surges,

accident, improper installation, neglect, alteration, improper maintenance, or other causes which are

not normal and customary applications of the products and for which they were not intended. No

other warranty is expressed or implied, and VERSITRON is not liable for direct, indirect, incidental or

consequential damages or losses.

In the unlikely event a warranty issue should arise, simply contact us at 302-894-0699 or

1-800-537-2296 or via email at f[email protected] to obtain a Return Material Authorization (RMA)

number, along with instructions for returning your product.

iii

About This Manual

Copyright

The products and programs described in this manual are licensed products of

VERSITRON, Inc. This manual contains proprietary information protected by

copyright, and this manual and all accompanying hardware, software and

documentation are copyrighted. No parts of this manual may be copied,

photocopied, reproduced, translated or reduced to any electronic medium or

machine-readable from by any means by electronic or mechanical. Including

photocopying, recording, or information storage and retrieval systems, for any

purpose other than the purchaser’s personal use, and without the prior

express written permission of VERSITRON, Inc.

Purpose

This GUI manual gives specific information on how to operate and use the

management functions of the SG75270M via HTTP/HTTPs web browser.

Audience

The manual is intended for use by network administrators who are

responsible for operating and maintaining network equipment; consequently,

it assumes a basic working knowledge of general switch functions, the

Internet Protocol (IP), and Hypertext Transfer Protocol (HTTP).

Conventions

The following conventions are used throughout this manual to show

information.

NOTE: Emphasizes important information or calls your

attention to related features or instructions.

W

ARNING

:

Alerts you to potential hazard that could cause

personal injury.

C

AUTION

:

Alerts you to a potential hazard that could cause

loss of data, or damage the system or equipment.

Warranty

See the VERSITRON, Inc. warranty statement.

Disclaimer

VERSITRON, Inc. does not warrant that the hardware will work properly in all

environments and applications, and marks no warranty and representation,

either implied or expressed, with respect to the quality, performance,

merchantability, or fitness for a particular purpose. VERSITRON, Inc.

disclaims liability for any inaccuracies or omissions that may have occurred.

Information in this manual is subject to change without notice and does not

represent a commitment on the part of VERSITRON, Inc. VERSITRON, Inc.

assumes no responsibility for any inaccuracies that may be contained in this

manual. VERSITRON, Inc. makes no commitment to update or keep current

the information in this manual, and reserves the right to make improvements

to this manual and /or to the products described in this manual, at any time

without notice.

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Table of Contents

ABOUT THIS MANUAL .........................................................................................................................III

Revision History ......................................................................................................................................... ix

INTRODUCTION ......................................................................................................................................... 10

CHAPTER 1 OPERATION OF WEB-BASED MANAGEMENT .......................................................... 11

CHAPTER 2 SYSTEM CONFIGURATION ............................................................................................ 6

2-1 SYSTEM ......................................................................................................................................................... 6

2-1.1 Information ........................................................................................................................................ 6

2-1.2 IP ......................................................................................................................................................... 7

2-1.3 NTP ................................................................................................................................................... 10

2-1.4 Time .................................................................................................................................................. 11

2-1.5 Log .................................................................................................................................................... 14

2-2 GREEN ETHERNET ........................................................................................................................................ 15

2-3 PORTS CONFIGURATION ............................................................................................................................... 18

2-3.1 Ports .................................................................................................................................................. 18

2-3.2 Ports Description ............................................................................................................................. 20

2-4 DHCP ........................................................................................................................................................ 21

2-4.1 Server ............................................................................................................................................... 21

2-4.1.1 Mode .......................................................................................................................................................... 21

2-4.1.2 Excluded IP ................................................................................................................................................ 23

2-4.2 Snooping .......................................................................................................................................... 26

2-4.3 Relay ................................................................................................................................................. 27

2-5 SECURITY .................................................................................................................................................... 29

2-5.1 Switch ............................................................................................................................................... 29

2-5.1.1 Users ........................................................................................................................................................... 29

2-5.1.2 Privilege Level ............................................................................................................................................ 31

2-5.1.3 Authentication Method ............................................................................................................................ 33

2-5.1.4 SSH ............................................................................................................................................................. 35

2-5.1.5 HTTPs ......................................................................................................................................................... 36

2-5.1.6 Access Management ................................................................................................................................ 37

2-5.1.7 SNMP ......................................................................................................................................................... 39

2-5.1.7.1 System ................................................................................................................................................ 39

2-5.1.7.2 Trap ..................................................................................................................................................... 41

2-5.1.7.3 Communities ..................................................................................................................................... 44

2-5.1.7.4 Users................................................................................................................................................... 45

2-5.1.7.5 Group ................................................................................................................................................. 47

2-5.1.7.6 Views .................................................................................................................................................. 49

2-5.1.7.7 Access ................................................................................................................................................ 51

2-5.1.7.8 Trap Event Severity ........................................................................................................................... 53

2-5.1.8 RMON ........................................................................................................................................................ 55

2-5.1.8.1 Statistics ............................................................................................................................................. 55

2-5.1.8.2 History ............................................................................................................................................... 57

2-5.1.8.3 Alarm .................................................................................................................................................. 59

2-5.1.8.4 Event................................................................................................................................................... 61

2-5.2 Network ............................................................................................................................................ 62

2-5.2.1 Limit Control .............................................................................................................................................. 62

2-5.2.2 NAS ............................................................................................................................................................. 65

2-5.2.3 ACL ............................................................................................................................................................. 72

2-5.2.3.1 Ports ................................................................................................................................................... 72

2-5.2.3.2 Rate Limiters ...................................................................................................................................... 74

2-5.2.3.3 Access Control List ........................................................................................................................... 74

2-5.2.4 IP Source Guard ........................................................................................................................................ 78

2-5.2.4.1 Configuration .................................................................................................................................... 78

2-5.2.4.2 Static Table ......................................................................................................................................... 79

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2-5.2.5 ARP Inspection .......................................................................................................................................... 81

2-5.2.5.1 Configuration .................................................................................................................................... 81

2-5.2.5.2 VLAN Mode Configuration.............................................................................................................. 83

2-5.2.5.3 Static Table ......................................................................................................................................... 85

2-5.2.5.4 Dynamic Table ................................................................................................................................... 87

2-5.3 AAA ................................................................................................................................................... 89

2-5.3.1 RADIUS ....................................................................................................................................................... 89

2-5.3.2 TACACS+ .................................................................................................................................................... 92

2-6 AGGREGATION ............................................................................................................................................. 94

2-6.1 Static ................................................................................................................................................. 94

2-6.2 LACP ................................................................................................................................................. 96

2-7 LOOP PROTECTION ...................................................................................................................................... 98

2-8 SPANNING TREE ......................................................................................................................................... 100

2-8.1 Bridge Setting ................................................................................................................................ 100

2-8.2 MSTI Mapping ............................................................................................................................... 103

2-8.3 MSTI Priorities ............................................................................................................................... 105

2-8.4 CIST Ports ....................................................................................................................................... 106

2-8.5 MSTI Ports ...................................................................................................................................... 108

2-9 IPMC PROFILE .......................................................................................................................................... 110

2-9.1 Profile Table ................................................................................................................................... 110

2-9.1.1 IPMC Profile Rule Settings Table ........................................................................................................... 112

2-9.2 Address Entry ................................................................................................................................ 113

2-10 MVR ...................................................................................................................................................... 115

2-11 IPMC ..................................................................................................................................................... 118

2-11.1 IGMP Snooping ........................................................................................................................... 118

2-11.1.1 Basic Configuration .............................................................................................................................. 118

2-11.1.2 VLAN Configuration ............................................................................................................................. 120

2-11.1.3 Port Filtering Profile ............................................................................................................................. 123

2-11.2 MLD Snooping ............................................................................................................................ 125

2-11.2.1 Basic Configuration .............................................................................................................................. 125

2-11.2.2 VLAN Configuration ............................................................................................................................. 128

2-11.2.3 Port Group Filtering .............................................................................................................................. 130

2-12 LLDP ...................................................................................................................................................... 131

2-12.1 LLDP Configuration .................................................................................................................... 131

2-12.2 LLDP-MED Configuration .......................................................................................................... 134

2-13 MAC TABLE ............................................................................................................................................ 141

2-14 VLANS ................................................................................................................................................... 143

2-15 PRIVATE VLANS ...................................................................................................................................... 147

2-15.1 Port Isolation ............................................................................................................................... 147

2-16 VCL ........................................................................................................................................................ 148

2-16.1 MAC-based VLAN ....................................................................................................................... 148

2-16.2 Protocol -based VLAN ................................................................................................................ 150

2-16.2.1 Protocol to Group ................................................................................................................................. 150

2-16.2.2 Group to VLAN...................................................................................................................................... 152

2-16.3 IP Subnet-based VLAN ............................................................................................................... 153

2-17 VOICE VLAN......................................................................................................................................... 154

2-17.1 Configuration .............................................................................................................................. 154

2-17.2 OUI ................................................................................................................................................ 156

2-18 QOS ....................................................................................................................................................... 157

2-18.1 Port Classification ....................................................................................................................... 157

2-18.2 Port Policing ................................................................................................................................ 160

2-18.3 Port Schedulers ........................................................................................................................... 161

2-18.5 Port Tag Remarking .................................................................................................................... 167

2-18.6 Port DSCP .................................................................................................................................... 170

2-18.7 DSCP-Based QoS ........................................................................................................................ 172

2-18.9 DSCP Classification ..................................................................................................................... 176

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2-18.10 QoS Control List Configuration .............................................................................................. 178

2-18.11 Storm Control ............................................................................................................................ 182

2-20 UPNP ..................................................................................................................................................... 185

2-21.1 Global Config .............................................................................................................................. 187

2-21.2 Port Config .................................................................................................................................. 189

2-22. SFLOW ................................................................................................................................................... 190

2-23 SWITCH2GO ............................................................................................................................................ 193

2-23.1 Switch2go setting ....................................................................................................................... 193

2-23.2 User Link Management .............................................................................................................. 195

2-23.3 Port Name Service ...................................................................................................................... 196

2-24 SMTP CONFIGURATION ........................................................................................................................... 197

CHAPTER 3. MONITOR ................................................................................................................... 199

3-1 SYSTEM ..................................................................................................................................................... 199

3-1.1 Information .................................................................................................................................... 199

3-1.2 IP Status .......................................................................................................................................... 201

3-1.3 Log .................................................................................................................................................. 203

3-1.4 Detailed Log .................................................................................................................................. 205

3-2 GREEN ETHERNET ...................................................................................................................................... 206

3-2.1 Port Power Savings ....................................................................................................................... 206

3-3 PORTS ....................................................................................................................................................... 207

3-3.1 Traffic Overview ............................................................................................................................ 207

3-3.2 Qos Statistics ................................................................................................................................. 209

3-3.3 QCL Status...................................................................................................................................... 210

3-3.4 Detailed Statistics .......................................................................................................................... 212

3-3.5 SFP Port Info .................................................................................................................................. 216

3-4 DHCP ...................................................................................................................................................... 218

3-4.1 Server ............................................................................................................................................. 218

3-4.1.1 Statistics ................................................................................................................................................... 218

3-4.1.2 Binding ..................................................................................................................................................... 219

3-4.1.3 Declined IP ............................................................................................................................................... 220

3-4.2 Snooping Table ............................................................................................................................. 221

3-4.3 Relay Statistics ............................................................................................................................... 222

3-4.4 Detailed Statistics .......................................................................................................................... 224

3-5 SECURITY .................................................................................................................................................. 226

3-5.1 Access Management Statistics .................................................................................................... 226

3-5.2 Network .......................................................................................................................................... 228

3-5.2.1 Port Security ............................................................................................................................................ 228

3-5.2.1.1 Switch ............................................................................................................................................... 228

3-5.2.1.2 Port ................................................................................................................................................... 230

3-5.2.2 NAS ........................................................................................................................................................... 232

3-5.2.2.1 Switch ............................................................................................................................................... 232

3-5.2.2.2 Port ................................................................................................................................................... 234

3-5.2.3 ACL Status ................................................................................................................................................ 237

3-5.2.4 ARP Inspection ........................................................................................................................................ 239

3-5.2.5 IP Source Guard ...................................................................................................................................... 241

3-5.3 AAA ................................................................................................................................................. 242

3-5.3.1 RADIUS Overview ................................................................................................................................... 242

3-5.3.2 RADIUS Details ........................................................................................................................................ 244

3-5.4 Switch ............................................................................................................................................. 249

3-5.4.1 RMON ...................................................................................................................................................... 249

3-5.4.1.1 Statistics ........................................................................................................................................... 249

3-5.4.1.2 History ............................................................................................................................................. 252

3-5.4.1.3 Alarm ................................................................................................................................................ 254

3-5.4.1.4 Event................................................................................................................................................. 256

3-6 LACP ....................................................................................................................................................... 258

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3-6.1 System Status ................................................................................................................................ 258

3-6.2 Port Status ...................................................................................................................................... 259

3-6.3 Port Statistics ................................................................................................................................. 261

3-7 LOOP PROTECTION .................................................................................................................................... 262

3-8 SPANNING TREE ......................................................................................................................................... 263

3-8.1 Bridge Status ................................................................................................................................. 263

3-8.2 Port Status ...................................................................................................................................... 265

3-8.3 Port Statistics ................................................................................................................................. 266

3-9 MVR ........................................................................................................................................................ 267

3-9.1 Statistics ......................................................................................................................................... 267

3-9.2 MVR Channels Groups ................................................................................................................. 268

3-9.3 MVR SFM Information .................................................................................................................. 270

3-10 IPMC ..................................................................................................................................................... 272

3-10.1 IGMP Snooping ........................................................................................................................... 272

3-10.1.1 Status ...................................................................................................................................................... 272

3-10.1.2 Group Information ................................................................................................................................ 274

3-10.1.3 IPv4 SFM Information ........................................................................................................................... 276

3-10.2 MLD Snooping ............................................................................................................................ 278

3-10.2.1 Status ...................................................................................................................................................... 278

3-10.2.2 Group Information ................................................................................................................................ 280

3-10.2.3 IPv6 SFM Information ........................................................................................................................... 282

3-11 LLDP ...................................................................................................................................................... 284

3-11.1 Neighbour ................................................................................................................................... 284

3-11.2 LLDP-MED Neighbour ................................................................................................................ 286

3-11.3 EEE ................................................................................................................................................ 290

3-11.4 Port Statistics ............................................................................................................................... 292

3-12 MAC TABLE ............................................................................................................................................ 294

3-13 VLANS ................................................................................................................................................... 296

3-13.1 VLAN Membership ..................................................................................................................... 296

3-13.2 VLAN Port .................................................................................................................................... 298

3-14 VCL ........................................................................................................................................................ 300

3-14.1 MAC-based VLAN ....................................................................................................................... 300

3-14.2 Protocol-based VLAN ................................................................................................................. 301

3-14.2.1 Protocol to Group ................................................................................................................................. 301

3-14.2.2 Group to VLAN...................................................................................................................................... 303

3-14.3 IP Subnet-based VLAN ............................................................................................................... 304

3-15 SFLOW .................................................................................................................................................... 305

CHAPTER 4. DIAGNOSTICS ............................................................................................................ 307

4-1 PING ......................................................................................................................................................... 307

4-2 PING6 ....................................................................................................................................................... 309

4-3 CABLE DIAGNOSTICS .................................................................................................................................. 311

4-4 TRACEROUTE ............................................................................................................................................. 312

CHAPTER 5. MAINTENANCE .......................................................................................................... 313

5-1 RESTART DEVICE ........................................................................................................................................ 313

5-2 FACTORY DEFAULTS .................................................................................................................................... 314

5-3 FIRMWARE................................................................................................................................................. 315

5-3.1 Firmware upgrade ......................................................................................................................... 315

5-3.2 Firmware Selection ....................................................................................................................... 316

5-4 CONFIGURATION........................................................................................................................................ 318

5-4.1 Save startup-config ...................................................................................................................... 318

5-4.2 Upload ............................................................................................................................................ 319

5-4.3 Download ....................................................................................................................................... 320

5-4.5 Delete ............................................................................................................................................. 322

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CHAPTER 6 DMS-MANAGEMENT ................................................................................................. 323

6-1 INFORMATION ........................................................................................................................................... 323

6-2 DEVICE LIST ............................................................................................................................................... 325

CHAPTER 7 DMS-GRAPHIC MONITORING .................................................................................. 327

7-1 TOPOLOGY VIEW ....................................................................................................................................... 327

7-2 FLOOR VIEW .............................................................................................................................................. 329

7-3 MAP VIEW ................................................................................................................................................ 330

CHAPTER 8 DMS-MAINTENANCE ................................................................................................. 331

8-1 FLOOR IMAGE ............................................................................................................................................ 331

8-2 TROUBLE SHOOTING .................................................................................................................................. 332

8-3 TRAFFIC CHART ......................................................................................................................................... 333

ix

Revision History

Release

Date

Revision

Initial Release

2016/09/08

A1

SG75270M

Revision A1

10

INTRODUCTION

Overview

This manual is designed to help with the configuration and monitoring of the SG75270M

through a web browser. Many detailed explanations regarding the hardware and software functions

are shown as well as examples of the operation of the web-based interface.

The SG75270M series managed switches provide a reliable infrastructure for your business

network. These switches deliver intelligent features you need to improve the availability of your critical

business applications, protect your sensitive information, and optimize your network bandwidth to

deliver information and applications more effectively. It provides the ideal combination of

affordability and capabilities for entry level networking includes small business or enterprise

application and helps you create a more efficient, better-connected workforce.

SG75270M L2+ Managed Switches provide 52 ports in a single device; the specifications are

highlighted as follows.

 L2+ features provide better manageability, security, QoS, and performance.

 Support IPv4/IPv6 dual stack management

 Support SSH/SSL secured management

 Support SNMP v1/v2c/v3

 Support RMON groups 1,2,3,9

 Support sFlow

 Support IGMP v1/v2/v3 Snooping

 Support MLD v1/v2 Snooping

 Support RADIUS and TACACS+ authentication

 Support IP Source Guard

 Support DHCP Relay (Option 82)

 Support DHCP Snooping

 Support ACL and QCL for traffic filtering

 Support 802.1d(STP), 802.1w(RSTP) and 802.1s(MSTP)

 Support LACP and static link aggregation

 Support Q-in-Q double tag VLAN

 Support GVRP dynamic VLAN

11

Chapter 1 Operation of Web-based Management

Initial

Configuration

This chapter instructs you how to configure and manage the SG75270M through the

web user interface.

The default access credentials of the SG75270M are listed in the table below:

IP Address

192.168.1.1

Subnet Mask

255.255.255.0

Default Gateway

192.168.1.254

Username

admin

Password

After the SG75270M has been powered on and the initial boot sequence has loaded,

you can access the web-based management interface. For instance, type

http://192.168.1.1 in the address row in a browser, it will show the following screen

and ask you to enter the username and password.

The default username is “admin” and password field is left empty. When first

accessing the switch, please enter the default username and password, and then click

the <Login> button. The login process now is completed. In this login menu, you

have to input the complete username and password respectively, the SG75270M will

not give you a shortcut to username automatically. This looks inconvenient, but it is

safer.

The SG75270M allows two or more users using administrator credentials to manage

this switch.

SG75270M

Revision A1

5

NOTE:

As the SG75270M enables DHCP, so if you do not have a DHCP server to

provide an IP address to the switch, the switch’s default IP is 192.168.1.1

Figure 1 The login page

6

Chapter 2 System Configuration

This chapter describes the entire basic configuration tasks which includes the System Information and

any management of the Switch (e.g. Time, Account, IP, Syslog and NTP.)

2-1 System

You can identify the system by configuring the contact information, name, and location of the

switch.

2-1.1 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. Write System Contact, System Name, System Location information in this page.

3. Click Apply

Figure 2-1.1: System Information

Parameter description:

 System Contact:

The text 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 is the 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-Za-z), digits (0-9), 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 the ASCII characters from 32 to 126.

7

2-1.2 IP

The IPv4 address for the switch could 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

Figure2-1.2: The IP configuration

Parameter description:

8

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 resolution done by 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, 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 a 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 for trying 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, such that 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 show 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.

9

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 an IPv6 address.

The field may be left blank if IPv6 operation on the interface is not desired.

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, 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.

10

2-1.3 NTP

NTP is Network Time Protocol and is used to sync the network time based Greenwich Mean

Time (GMT). If 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 in a short 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 come out 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.

Figure 2-1.3: The NTP configuration

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

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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.

SG75270M

Revision A1

11

2-1.4 Time

The switch provides manual and automatic ways to set the system time via NTP. Manual setting

is simple and you 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 2-1.4: The time configuration

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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 year of system date limits between 2011 and 2037.

Time Zone Configuration

 Time Zone:

Lists various Time Zones worldwide. Select appropriate Time Zone from the drop down and

click Apply to set.

 Acronym:

User can set the acronym of the time zone. This is a User configurable acronym to identify

the time zone. (Range: Up to 16 characters)

Daylight Saving Time Configuration

 Daylight Saving Time:

This is used to set the clock forward or backward according to the configurations set below

for a defined Daylight Saving Time duration. Select 'Disable' to disable the Daylight Saving

Time configuration. Select 'Recurring' and configure the Daylight Saving Time duration to

repeat the configuration every year. Select 'Non-Recurring' and configure the Daylight

Saving Time duration for single time configuration. (Default: Disabled).

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Versitron SG75270M Owner's manual

Versitron SG75270M Owner's manual

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