TANDBERG N3 Bedienungsanleitung

TANDBERG Gatekeeper User

Manual

Software version N3

D13381.03

This document is not to be reproduced in whole or in part without permission in writing from:

TANDBERG Gatekeeper User Manual

Trademarks and copyright

This document contains information that is proprietary to TANDBERG ASA. No part of this publication

may be reproduced, stored in a retrieval system, or transmitted, in any form, or by any means,

electronically, mechanically, by photocopying, or otherwise, without the prior written permission of

TANDBERG ASA. Nationally and internationally recognized trademarks and tradenames are the

property of their respective holders and are hereby acknowledged.

Portions of this software are licensed under 3rd party licenses. See CD accompanying this product for

details.

Disclaimer

The information in this document is furnished for informational purposes only, is subject to change

without prior notice, and should not be construed as a commitment by TANDBERG ASA.

The information in this document is believed to be accurate and reliable, however TANDBERG ASA

assumes no responsibility or liability for any errors or inaccuracies that may appear in this document,

nor for any infringements of patents or other rights of third parties resulting from its use. No license is

granted under any patents or patent rights of TANDBERG ASA.

TANDBERG Gatekeeper User Manual

iii

Environmental Issues

Thank you for buying a product which contributes to a reduction in pollution, and thereby

helps save the environment. Our products reduce the need for travel and transport and

thereby reduce pollution. Our products have either none or few consumable parts (chemicals,

toner, gas, paper). Our products are low energy consuming products.

TANDBERG’s Environmental Policy

TANDBERG’s Research and Development is continuously improving TANDBERG’s

products towards less use of environmentally hazardous components and substances

as well as to make the products easier to recycle.

TANDBERG's products are Communication Solutions. The idea of these solutions is

to reduce the need for expensive, time demanding and polluting transport of people.

Through people’s use of TANDBERG’s products, the environment will benefit from

less use of polluting transport.

TANDBERG’s wide use of the concepts of outsourcing makes the company itself a

company with a low rate of emissions and effects on the environment.

TANDBERG’s policy is to make sure our partners produce our products with minimal

influence on the environment and to demand and audit their compatibility according to

applicable agreements and laws (national and international).

Environmental Considerations

Like other electronic equipment, the TANDBERG Gatekeeper contains components that may

have a detrimental effect on the environment. TANDBERG works continuously towards

eliminating these substances in our products.

Printed-wiring boards made of plastic, with flame-retardants like Chloride or Bromide.

Component soldering that contains lead.

Smaller components containing substances with possible environmental effect.

After the product’s end of life cycle, it should be returned to authorized waste handling and

should be treated according to National and International Regulations for waste of electronic

equipment.

TANDBERG Gatekeeper User Manual

Operator Safety Summary

For your protection, please read these safety instructions completely before operating the

equipment and keep this manual for future reference. The information in this summary is

intended for operators. Carefully observe all warnings, precautions and instructions both on

the apparatus and in the operating instructions.

Warnings

Water and moisture - Do not operate the equipment under or near water - for

example near a bathtub, kitchen sink, or laundry tub, in a wet basement, or near a

swimming pool or in areas with high humidity.

Cleaning - Unplug the apparatus from the wall outlet before cleaning or polishing. Do

not use liquid cleaners or aerosol cleaners. Use a lint-free cloth lightly moistened with

water for cleaning the exterior of the apparatus.

Ventilation - Do not block any of the ventilation openings of the apparatus. Install in

accordance with the installation instructions. Never cover the slots and openings with

a cloth or other material. Never install the apparatus near heat sources such as

radiators, heat registers, stoves, or other apparatus (including amplifiers) that

produce heat.

Grounding or Polarization - Do not defeat the safety purpose of the polarized or

grounding-type plug. A polarized plug has two blades with one wider than the other. A

grounding type plug has two blades and a third grounding prong. The wide blade or

third prong is provided for your safety. If the provided plug does not fit into your outlet,

consult an electrician.

Power-Cord Protection - Route the power cord so as to avoid it being walked on or

pinched by items placed upon or against it, paying particular attention to the plugs,

receptacles, and the point where the cord exits from the apparatus.

Attachments - Only use attachments as recommended by the manufacturer.

Accessories - Use only with a cart, stand, tripod, bracket, or table specified by the

manufacturer, or sold with the apparatus. When a cart is used, use caution when

moving the cart/apparatus combination to avoid injury from tip-over.

Lightning - Unplug this apparatus during lightning storms or when unused for long

periods of time.

Servicing - Do not attempt to service the apparatus yourself as opening or removing

covers may expose you to dangerous voltages or other hazards, and will void the

warranty. Refer all servicing to qualified service personnel.

Damaged Equipment - Unplug the apparatus from the outlet and refer servicing to

qualified personnel under the following conditions:

When the power cord or plug is damaged or frayed

If liquid has been spilled or objects have fallen into the apparatus

If the apparatus has been exposed to rain or moisture

If the apparatus has been subjected to excessive shock by being dropped, or

the cabinet has been damaged

If the apparatus fails to operate in accordance with the operating instructions.

Table Of Contents

TANDBERG Gatekeeper User Manual .......................................................................................i

Trademarks and copyright......................................................................................................ii

Environmental Issues.............................................................................................................iii

Operator Safety Summary.....................................................................................................iv

1Introduction......................................................................................................................... 1

1.1 TANDBERG Gatekeeper Overview ............................................................................ 2

2Installation .......................................................................................................................... 3

2.1 Unpacking ................................................................................................................... 3

2.2 Mounting...................................................................................................................... 4

2.3 Connecting Cables...................................................................................................... 4

2.4 Switching on the System............................................................................................. 4

2.5 Gatekeeper Initial Configuration ................................................................................. 5

3Using the Gatekeeper ........................................................................................................ 7

3.1 System Administration ................................................................................................ 7

3.2 Registration................................................................................................................. 7

3.3 Neighbor Gatekeepers................................................................................................ 8

3.4 Alternate Gatekeepers ................................................................................................ 9

3.5 Call Control................................................................................................................ 11

3.6 Bandwidth Control..................................................................................................... 14

3.6.1 Bandwidth Control and Firewall Traversal......................................................... 16

3.6.2 Bandwidth Control Examples............................................................................. 17

3.7 Registration Control .................................................................................................. 19

3.7.1 Registration Restriction Policy........................................................................... 19

3.7.2 Authentication.................................................................................................... 20

3.8 H.235 Authentication................................................................................................. 20

3.8.1 Authentication using a local database............................................................... 20

3.8.2 Authentication using an LDAP server................................................................ 21

3.9 URI Dialing................................................................................................................ 23

3.9.1 URI Dialing and firewall traversal....................................................................... 24

3.9.2 Creating DNS SRV records ............................................................................... 24

3.10 Firewall traversal ................................................................................................... 24

3.10.1 Calling unregistered endpoints .......................................................................... 25

3.11 Call Policy.............................................................................................................. 25

3.11.1 Making Decisions Based on Addresses ............................................................ 26

3.11.2 CPL Script Actions............................................................................................. 27

3.11.3 Unsupported CPL Elements.............................................................................. 28

3.11.4 CPL Examples................................................................................................... 28

4Software Upgrade ............................................................................................................ 30

TANDBERG Gatekeeper User Manual

4.1 Upgrading Using HTTP(S)........................................................................................ 30

4.2 Upgrading Using SCP............................................................................................... 31

5Configuring the Gatekeeper............................................................................................. 33

5.1 Status........................................................................................................................ 33

5.2 Configuration............................................................................................................. 34

5.3 Command.................................................................................................................. 40

5.4 History....................................................................................................................... 42

5.5 Feedback................................................................................................................... 42

5.6 Other commands....................................................................................................... 43

6Appendix: Configuring DNS Servers................................................................................ 45

6.1 Microsoft DNS Server ............................................................................................... 45

6.2 BIND 8 & 9 ................................................................................................................ 45

6.3 Verifying the SRV record........................................................................................... 46

7Appendix: Configuring LDAP Servers.............................................................................. 47

7.1 Microsoft Active Directory ......................................................................................... 47

7.1.1 Prerequisites...................................................................................................... 47

7.1.2 Adding H.350 objects......................................................................................... 47

7.1.3 Securing with TLS.............................................................................................. 48

7.2 OpenLDAP................................................................................................................ 48

7.2.1 Prerequisites...................................................................................................... 48

7.2.2 Installing the H.350 schemas............................................................................. 48

7.2.3 Adding H.350 objects......................................................................................... 49

7.2.4 Securing with TLS.............................................................................................. 50

8Approvals.......................................................................................................................... 51

9Technical Specifications................................................................................................... 52

10 Index............................................................................................................................. 53

1 Introduction

This User Manual is provided to help you make the best use of your TANDBERG Gatekeeper.

A Gatekeeper is a central part of an H.323 infrastructure. It provides address translation and

controls access to the network for H.323 terminals, Gateways and MCUs. The Gatekeeper

also provides other services to the terminals, Gateways and MCUs such as bandwidth

management and locating Gateways.

A Gatekeeper is also a key component of TANDBERG’s ExpresswayTM firewall traversal

solution. Used in conjunction with a TANDBERG Border Controller it allows calls to be made

into and out of a secured private network.

The main features of the TANDBERG Gatekeeper are:

Automatic discovery and manual registrations of H.323 terminals, gateways and

MCUs.

Registration of H.323 ID, E.164 aliases and services.

Secure traversal of any firewall or NAT.

URI dialing.

Supports up to 1000 registered devices and services.

Supports up to 100 neighboring zones.

Up to 200 active calls.

Up to 100 traversal calls.

Flexible zone configuration with and without prefixes.

Can function as a leaf Gatekeeper or as a master Gatekeeper in a Gatekeeper

hierarchy.

Can be used to control the amount of bandwidth used both within a zone and to

neighboring zones.

Can limit total bandwidth usage and set maximum per call bandwidth usage with

automatic down-speeding if call exceeds per-call maximum.

Can be managed with TANDBERG Management Suite 9.0 or newer, or as a

standalone system with RS-232, Telnet, SSH, HTTP and HTTPS.

Embedded setup wizard on serial port for initial configuration.

Note that features may vary depending on software package.

TANDBERG Gatekeeper User Manual

1.1 TANDBERG Gatekeeper

Overview

On the front of the Gatekeeper there are three LAN interfaces, a serial port (Data 1) and a

Light Emitting Diode (Power). The LAN 1 interface is used for connecting the system to your

local area network, LAN interface 2 and 3 are disabled. The serial port (Data 1) is for

connection to a PC, and power on is indicated by the Light Emitting Diode (Power) being lit.

The back of the Gatekeeper has a power connector, a power switch, and a serial port (Data

2) for connecting to a PC.

2 Installation

Precautions:

Never install communication equipment during a lightning storm.

Never install jacks for communication cables in wet locations unless the jack is

specifically designed for wet locations.

Never touch uninstalled communication wires or terminals unless the communication

line has been disconnected at the network interface.

Use caution when installing or modifying communication lines.

Avoid using communication equipment (other than a cordless type) during an

electrical storm.

There may be a remote risk of electrical shock from lightning.

Do not use communication equipment to report a gas leak in the vicinity of the leak.

The socket outlet shall be installed near to the equipment and shall be easily

accessible.

Never install cables without first switching the power OFF.

This product complies with directives: LVD 73/23/EC and EMC 89/366/EEC.

Power must be switched off before power supplies can be removed from- or installed

into the unit.

2.1 Unpacking

The TANDBERG Gatekeeper is delivered in a special shipping box which should contain the

following components:

Gatekeeper unit

Installation sheet

User manual and other documentation on CD

Rack-ears and screws

Kit with 4 rubber feet.

Cables:

oPower cables

oOne Ethernet cable

oOne null-modem RS-232 cable

Installation site preparations

Make sure that the Gatekeeper is accessible and that all cables can be easily connected.

For ventilation: Leave a space of at least 10cm (4 inches) behind the Gatekeeper’srear

and 5cm (2 inches) on the sides.

The room in which you install the Gatekeeper should have an ambient temperature

between 0oC and 35oC (32oF and 95oF) and between 10% and 90% non-condensing

relative humidity.

TANDBERG Gatekeeper User Manual

Do not place heavy objects directly on top of the Gatekeeper.

Do not place hot objects directly on top, or directly beneath the Gatekeeper.

Use a grounded AC power outlet for the Gatekeeper.

2.2 Mounting

The Gatekeeper comes with brackets for mounting in standard 19" racks.

Before starting the rack mounting, please make sure the TANDBERG Gatekeeper is placed

securely on a hard, flat surface.

1. Disconnect the AC power cable.

2. Make sure that the mounting space is according to the `Installation site preparations' in

section 2.1.

3. Attach the brackets to the chassis on both sides of the unit.

4. Insert the unit into a 19" rack, and secure it with screws.

2.3 Connecting Cables

Power cable

Connect the system power cable to an electrical distribution socket.

LAN cable

Connect a LAN cable from the LAN 1 connector on the front of the unit to your local area

network.

Null-modem RS-232 cable

Connect the supplied null-modem RS-232 cable between the Gatekeeper’sData 1 connector

and the COM-port on a PC.

2.4 Switching on the System

To start the TANDBERG Gatekeeper, make sure that the following has been done:

The power cable is connected.

The LAN cable is connected

Then switch the power switch button on the back of the unit to ’1'.

On the front of the chassis you will see the Power LED being lit.

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