Linkskey LKV-IPM01 Manuale utente

KLE

The IP-based

KVM Link Extender

Anytime Anywhere

User Guide

Revision 1.2

About this manual

This User Guide is the complete reference to the KLE, its functional features and usage. The

Complete User Guide could be found only on the KLE Support CD-ROM disc.

KLE documentation List

Quick Installation Guide Print-out / KLE support CD-ROM disc

User Guide KLE Support CD-ROM disc

How to generate your own set of Certificates KLE Support CD-ROM disc

FCC Statement

This equipment has been tested and found to comply with the regulations for a Class B digital

device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable

protection against harmful interference when the equipment is operated in a commercial

environment. This equipment generates, uses, and can radiate radio frequency energy and, if

not installed and used in accordance with this User Guide, may cause harmful interference to

radio communications. Operation of this equipment in a residential area is likely to cause harmful

interference in which case, the user will be required to correct the interference at his/her own

expense.

CE Statement

This is a Class B product in a domestic environment, this product may cause radio interference,

in which case the user may be required to take adequate measures.

KLE User Guide R1.2

TABLE OF CONTENTS

1INTRODUCTION ..............................................................................................................................1

1.1 PRIMARY FEATURES....................................................................................................................3

General features.............................................................................................................................3

TCP/IP remote connection..........................................................................................................3

Thin-client Viewer Program........................................................................................................3

Hi-Speed PPP Connection............................................................................................................ 3

Power ON-OFF Control Support................................................................................................4

Security..............................................................................................................................................4

User Management.......................................................................................................................... 4

1.2 SYSTEM ARCHITECTURE ............................................................................................................5

1.3 KLE EXTERNAL VIEWS..............................................................................................................8

KLE Front View................................................................................................................................8

KLE Rear View................................................................................................................................. 9

KLE Power Socket..........................................................................................................................9

2KLE INTALLATION ......................................................................................................................10

2.1 PHYSICAL CONNECTIONS ........................................................................................................10

2.2 CONFIGURE YOUR SERVERS FOR CONNECTIONS TO KLE ...................................................11

2.3 MORE TIPS FOR SERVER DESKTOP CONFIGURATION ...........................................................13

2.4 CONFIGURE KLE NETWORK SETTINGS ..................................................................................15

2.5 CONFIGURE PORT BASE SETTING FOR KLE ...........................................................................16

2.6 CONFIGURE YOUR FIREWALL/ROUTER FOR ACCESSING KLE ACROSS INTERNET ................18

2.7 INSTALL CERTIFICATES ON KLE .............................................................................................19

3MAKING A VIEWER CONNECTION.........................................................................................24

3.1 INSTALL WIN32 VIEWER ON THE CLIENT COMPUTER ..........................................................24

3.2 INSTALL JAVA VIEWER ON THE CLIENT COMPUTER................................................................24

3.3 IMPORT CERTIFICATES TO KLE VIEWER ON THE CLIENT COMPUTER ...................................25

Import client certificate to Win32 Viewer...........................................................................26

Import the certificates for the Java-based KLE Viewer.................................................26

3.4 SPECIFY THE VIEWER CONNECTION OPTION BEFORE MAKING A CONNECTION .................27

ENCODING...............................................................................................................................................27

LOCAL CURSOR SHAPE ..........................................................................................................................27

MISC........................................................................................................................................................27

DISPLAY...................................................................................................................................................28

3.5 ESTABLISH THE VIEWER CONNECTION.................................................................................... 28

3.6 MOUSE CURSORS SYNCHRONIZATION ...................................................................................30

3.7 SAVE THE CONNECTION OPTIONS ..........................................................................................30

3.8 WIN32 VIEWER CHARACTERISTICS ....................................................................................... 31

3.9 TITLE BAR INFORMATION ........................................................................................................35

3.10 THE SELECT COMPUTER BOX...................................................................................................35

3.11 VIEWER QUICK MENU..............................................................................................................37

3.12 JAVA VIEWER CHARACTERISTICS ...........................................................................................41

3.13 COMMON VIDEO DISPLAY PROBLEM TROUBLESHOOTING .................................................... 41

4KLE UNIT MANAGEMENT OVER A SECURE HTTPS BROWSER CONNECTION.........44

4.1 WEB-BASED MANAGEMENT INTERFACE ................................................................................. 44

4.2 DOWNLOAD –DOWNLOAD PROGRAMS FOR VIEWERS..........................................................46

4.3 VIEWER –VIDEO SERVER NAME &KEYBOARD TYPE SETTINGS .........................................47

KLE User Guide R1.2

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4.4 DATE &TIME –DATE,TIME,GLOBAL TIME ZONE SUPPORT AND NTP SERVER

SYNCHRONIZATION .................................................................................................................................49

4.5 VIDEO SERVER –MISCELLANEOUS SETTINGS FOR VIDEO SERVERS..................................51

4.6 POWER CONTROL –MISCELLANEOUS SETTINGS FOR VIDEO SERVERS..............................53

4.7 COMPUTERS –MISCELLANEOUS SETTINGS FOR VIDEO SERVERS.......................................54

4.8 SERVER LOG –LOGGING SERVER EVENTS............................................................................56

4.9 VIDEO MODES –KEEPING,MODIFYING AND AUGMENTING YOUR VIDEO MODE DATA

BASE 57

4.10 ALARMS –E-MAIL NOTIFICATIONS AND SNMP LOGGING SUPPORT .................................. 60

4.11 KVMS –KEEPING AND ADDING YOUR KVM DATA BASE ....................................................64

4.12 LAN TCP/IP –PORT AND IP SETTINGS ............................................................................... 68

4.13 WAN PPP –PPP SERVER AND CLIENT .................................................................................70

4.14 USER STATUS –SHOW THE CURRENTLY CONNECTED USERS .............................................74

4.15 USER MANAGEMENT –MANAGE USER ACCOUNTS,RADIUS ACCOUNTING AND REMOTE

AUTHENTICATIONS ................................................................................................................................. 75

4.16 SECURITY –CERTIFICATES INSTALLATION,VIEWER ENCRYPTION AND PASSWORD

POLICIES .................................................................................................................................................81

4.17 MAINTENANCE –FLASH IMAGE VERSION INFORMATION,SOFTWARE UPGRADE,

CONFIGURATION BACKUP AND UPLOAD ...............................................................................................85

4.18 LOGOUT –LOG OUT THE WEB MANAGEMENT .......................................................................89

4.19 APPLY SETTINGS –VALIDATE NEW SETTINGS ...................................................................... 90

KLE User Guide R1.2

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1 INTRODUCTION

The name of KLE is derived from an acronymic combination from it full name, KVM

Link Extender, which well explains the functionality of this powerful machine in itself.

Though lightweight in size and compact in form factor, KLE is nevertheless a heavy-

weight in its functional versatility, rock-solid robustness and formidable security. It

supports full 1024-bit PKI authentication, 128-bit SSL data encryption, LDAP,

RADIUS as well Active Directory authentication and RADIUS accounting.

Dominant yet cost-effective solution for remote server management

scenarios

With the ubiquity of the DSL/Cable technology and the bandwidth availability

therewith, the IP-based KVM technology has emerged as a dominant player in the

new landscape of remote servers management. Today, the IP-based KVM Extender

has been regarded as a better and more cost-effective solution to address the critical

issue of remote servers management, which could only be partially tackled in the

past by expensive yet redundant software solutions or Enterprise Management

System. And KLE is a robust and versatile solution to address the needs of modern

remote server management scenarios.

Total server control from BIOS level up anytime anywhere

KLE gives users total control from preboot stage such as the BIOS-level CMOS

setting up to the GUI applications and daily maintenance routines such as power

cycling (power control unit required). And all these could be nicely done on your

admin desk using an ordinary web-browser management interface and a thin-client

software viewer. All you need for accessing your computer is to login the KLE and

download the viewer program and get yourself connected to a whole bunch of

servers in seconds. A truly anytime anywhere access for the server administrator!

Versatile backup connection featuring a PPP Server or PPP Client

To provide the necessary redundancy of a second backup system while your network

might no longer works in critical situation, KLE also allows an easy and convenient

PPP connection over the dial-in modem phone line. It could serve as a PPP server to

accept a peer computer to make PPP connection request over either a direct cable

connection or a dial-in modem phone line. On the other hand, KLE could also serve

as a PPP client to dial-in to your ISP or enterprise PPP server to connect to internet,

making a truly anytime access for remote client anywhere on the Internet. Thus, the

PPP server/client features in KLE allow users a second backup system, which offers

a direct cable/modem dial-in access to your connected servers via PSTN while your

network is down.

KLE User Guide R1.2

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KLE – the KVM Link Extender

Edge of critical Advantage over other remote server management solution

The advantages of using KLE,as compared to the conventional software remote

control solution is that: The hardware-based remote control solution such as KLE is

able to access the server regardless of the server states while software remote

control solution is non-functional while the server is still in the POST or preboot

stage or in a “blue screen of death”. KLE also offers power on/off alternatives if used

with a remote power control unit.

Rock-solid stability and ultra-security yet with flexibility and convenience to

use

The KLE distinguishes itself among its peer products not only in its rock-solid

stability in durable performance, but also in its industry-standard security features

such as full 1024-bit PKI Authentication and 128-bit SSL data encryption. Together

with 3 levels of viewer connection security levels in combination with 3 types of

password policies and three categories of user privileges, all these make KLE a

ultra-powerful IP Extender machine with ultra-flexibility for a customized balance

between data safety and user convenience. On the other hand, the robustness and

the ease of maintenance of the embedded systems involve zero costs for the unit

management and maintenance.

Global Time Zone and Timer Servers Support

To make KLE really comfortable with all the global time zones it will be deployed in,

it is vital to provide a convenient Global Time Zone support since it will give a correct

time stamp to all logging events, alert e-mail notifications and won’t leave server

administrators in troubles with calculating the time differences he will inevitably

encounter with servers in different time zones. Additionally, KLE also supports NTP

time servers and keep its time always sync with the timer servers you specify. The

KLE is even sophisticated enough to take care of the daylight saving time in each

and every Time Zone/Region, thus saving troubles for updating time frame with

daylight saving specifics every six months.

Upgrade and Configuration Backup is just a breeze

KLE is fully Web-enabled to allow software upgrade and configuration upload/backup

over the Web Management Interface. All you need to do is to upload the files to KLE

over Web interface and voila it’s freshly restarted and begins working with those

KLE User Guide R1.2

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latest update functionalities and features-all within minutes and can be performed

across oceans-by a remote SUPERADMIN!

Advantages Galore

With KLE, the server administrator can access enterprise server room or data center

on his own seat without toils and troubles of going anywhere from across the street

to oversea. And organizations can enjoy a uniquely centralized and very cost-

effective control over its dispersed servers in different branch offices, even around

the world, thus saving money for outsourcing costs.

1.1 Primary features

General features

▪Full-featured IP-based Remote Control Solution for server management

▪Provides remote control for several servers when connected to a conventional

KVM Switch

▪Simultaneous access from multiple users

▪No user limitation

▪Facilitate centralized control

▪Total control over the remote server from BIOS level up to GUI applications

▪Remote Power On/Off support

▪Total transparency of control

▪Ultra-security using full 1024-bit PKI Authentication / 128-bit SSL encryption

▪Work with LDAP / RADIUS / Active Directory Servers

▪Ethernet 10/100 and serial PPP connections

TCP/IP remote connection

▪Web Management Interface for all settings and upgrade/backup features

▪Support Telnet session and FTP service (disabled by default for more security)

Thin-client Viewer Program

▪Win-32 viewer and Java viewer for cross-platform compatibility

▪Connection options configurable for optimized performance

▪Shared, Non-Shared and View Only sessions

▪Easy download and installation

▪Multiple viewer instances can be run on a same client computer

▪Automatic video optimization

Hi-Speed PPP Connection

▪PPP Connection support over serial RS-232 interface up to 1 Mbps

▪PPP server enabling for PPP connection across a pair of modems for secure or

backup direct access

▪PPP client enabling for PPP connection to the internet with a modem

KLE User Guide R1.2

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Video server

▪Support up to 1280 x 1024 @ 60 Hz resolution

▪8/16-bit color

▪3 Video Quality settings

▪3 Video Compression schemes

▪8-bit color reduction

▪JPEG Compression option for low bandwidth internet connections

▪Configurable database to set up new or unknown VGA modes

▪Virtually compatible to any KVM Switch through simple configuration

Power ON-OFF Control Support

▪Remote power ON-OFF control over serial interface

▪Serial commands configurable to fit all serial power control devices

▪Power ON-OFF privilege only for the SUPERADMIN users

Security

▪1024-bit Public key Authentication using certificates generated by an external CA

▪128-bit SSL Encryption for keyboard, mouse and video signal transmissions

▪Remote authentication support for LDAP or RADIUS servers

▪RADIUS accounting support

▪3 SSL security levels :

oNo authentication – No encryption

oServer Authentication – SSL encryption

oServer & Client authentication – SSL encryption

▪3 password policies :

oNo Password

oOne global password for all users

oOne different password for each user

▪Linux operating system offers robust virus resistance

Alarms and Notifications

▪Alert e-mail notification and SNMP trap messages for critical server events such

as No Video, Blue Screen and NumLock Test Failure

User Management

▪User login either by querying the local user database or by connection to remote

LDAP or RADIUS server

▪3 user privileges :

oSUPERADMIN – to access complete set of management features and

user features, including Power ON-OFF remote servers

oADMIN – partial set of management and all user features

oUSER – only user features

Global Time Zone Support

▪Time support for all continents and major cities

▪Time synchronization by connection to any NTP time servers

▪Automatic Daylight Saving management

KLE User Guide R1.2

1.2 System Architecture

The KLE is based on an embedded Linux platform for computing power and rugged

stability. The KLE employs a High speed Processor to ensure excellent video quality

and fast keyboard / mouse response across the Internet, even when bandwidth

availability is limited.

LAN/WAN Configurations

KLE connected to a single server

KLE connected to a conventional KVM Switch and multiple servers

- -

KLE User Guide R1.2

Power Control Configuration

KLE connected to a Remote Power Control Device

PPP connections

KLE as PPP server to accept dial-in request from a remote PPP client via modem line

- -

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