translated into any language, or transmitted in any form or by any means, electronic, mechanical, magnetic, optical,
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Corporation.
Published by ZyXEL Communications Corporation. All rights reserved.
Disclaimer
ZyXEL does not assume any liability arising out of the application or use of any products, or software described herein.
Neither does it convey any license under its patent rights nor the patent rights of others. ZyXEL further reserves the right
to make changes in any products described herein without notice. This publication is subject to change without notice.
Trademarks
Trademarks mentioned in this publication are used for identification purposes only and may be properties of their
respective owners.
ii
Prestige 480 ISDN Router
Declaration of Conformity
ZyXEL Communications Services GmbH.
StandardStandard ItemVersion
• EN 55022
• EN 61000-3-2
• EN 61000-3-3
• EN 61000-4-2
• EN 61000-4-3
• EN 61000-4-4
• EN 61000-4-5
• EN 61000-4-6
• EN 61000-4-8
• EN61000-4-11
We, the Manufacturer/Importer
Thaliastrasse 125a/2/2/4
A-1160 Vienna - AUSTRIA
declare that the product
Prestige 480
is in conformity with
(Reference to the specification under which conformity is declared)
Radio disturbance characteristics – Limits and method of
measurement.
Disturbance in supply system caused by household appliances
and similar electrical equipment “Harmonics”.
Disturbance in supply system caused by household appliances
and similar electrical equipment “Voltage fluctuations”.
Electrostatic discharge immunity test – Basic EMC Publication1995
Radiated, radio-frequency, electromagnetic field immunity test1996
Electrical fast transient / burst immunity test - Basic EMC
Publication
Surge immunity test1995
Immunity to conducted disturbances, induced by radio-frequency
fields
Power Magnetic Measurement1993
Voltage dips, short interruptions and voltage variations immunity
tests
1994
1995
1995
1995
1996
1994
iii
Prestige 480 ISDN Router
ZyXEL Limited Warranty
ZyXEL warrants to the original end user (purchaser) that this product is free from any defects in materials or
workmanship for a period of up to two (2) years from the date of purchase. During the warranty period, and upon proof
of purchase, should the product have indications of failure due to faulty workmanship and/or materials, ZyXEL will, at its
discretion, repair or replace the defective products or components without charge for either parts or labor, and to
whatever extent it shall deem necessary to restore the product or components to proper operating condition. Any
replacement will consist of a new or re-manufactured functionally equivalent product of equal value, and will be solely at
the discretion of ZyXEL. This warranty shall not apply if the product is modified, misused, tampered with, damaged by
an act of God, or subjected to abnormal working conditions.
Note
Repair or replacement, as provided under this warranty, is the exclusive remedy of the purchaser. This warranty is in lieu
of all other warranties, express or implied, including any implied warranty of merchantability or fitness for a particular
use or purpose. ZyXEL shall in no event be held liable for indirect or consequential damages of any kind of character to
the purchaser.
To obtain the services of this warranty, contact ZyXEL's Service Center; refer to the separate Warranty Card for your
Return Material Authorization number (RMA). Products must be returned Postage Prepaid. It is recommended that the
unit be insured when shipped. Any returned products without proof of purchase or those with an out-dated warranty will
be repaired or replaced (at the discretion of ZyXEL) and the customer will be billed for parts and labor. All repaired or
replaced products will be shipped by ZyXEL to the corresponding return address, Postage Paid (USA and territories
only). If the customer desires some other return destination beyond the U.S. borders, the customer shall bear the cost of
the return shipment. This warranty gives you specific legal rights, and you may also have other rights that vary from state
to state.
iv
Prestige 480 ISDN Router
Customer Support
If you have questions about your ZyXEL product or desire assistance, contact ZyXEL
Communications Corporation offices worldwide, in one of the following ways:
Figure 1-4 Remote Access Server Application..........................................................................................1-8
Figure 2-1 Front Panel..............................................................................................................................2-1
Figure 2-2 Prestige 480 Rear Panel and Connections.................................................................................2-2
Table 11-1 System Maintenance - Status Menu Fields............................................................................. 11-3
List of Tablesxvii
Prestige 480 ISDN Router
Table 11-2 Fields in System Maintenance ................................................................................................11-6
Table 11-3 System Maintenance Menu - UNIX Syslog Parameters ..........................................................11-9
Table 11-4 System Maintenance Menu Diagnostic.................................................................................11-12
Table 11-5 Call Control Parameters Fields.............................................................................................11-21
Table 11-6 Call History Fields...............................................................................................................11-23
Table 11-7 Time and Date Setting Fields ...............................................................................................11-24
Table 12-1 Troubleshooting the Start-Up of your Prestige ........................................................................12-1
Table 12-2 Troubleshooting the ISDN Lines............................................................................................ 12-2
Table 12-3 Troubleshooting the Ethernet Connection............................................................................... 12-3
Table 12-4 Troubleshooting a Connection to a Remote Node or ISP.........................................................12-3
Table 12-5 Troubleshooting for Remote Users to Dial-in.........................................................................12-4
Table 12-6 IP Subnet Masks and the Number of Hosts ................................................................................. C
List of Tablesxviii
Prestige 480 ISDN Router
Preface
About Your Router
Congratulations on your purchase of the Prestige 480 ISDN Router.
The Prestige 480 is a high-performance router that offers a complete solution for your WAN (Wide
Area Network) applications such as Internet access, multi-protocol LAN-to-LAN connections,
telecommuting and remote access over ISDN (Integrated Service Digital Network).
Note: If you do not have the ISDN lines installed already, order it as soon as possible in order to install and
configure your P480. Contact your telephone company’s ISDN Ordering Center to find about the type of
ISDN service most suitable for your purpose.
Your Prestige 480 is easy to install and to configure since you do not need to set any switches.
You can use the PNC or the SMT interface to configure your Prestige. The PNC (Prestige Network
Commander) is a C++ based utility designed to allow users to manage the Prestige via Windows.
All functions of the Prestige 480 are software configurable via the SMT (System Management
Terminal) Interface. The SMT is a menu-driven interface that you can access from either a VT100
compatible terminal or a terminal emulation program on a PC.
Your Prestige also adheres to SNMP (Simple Network Management Protocol) standards. SNMP is
a management protocol for collecting information from devices on the network.
About This User's Manual
This user's guide shows you how to configure and manage your router.
It is designed to guide you through the configuration of your Prestige 480 for its various
applications.
Other Resources
For more information about the Prestige check the following sources:
♦ Prestige Support disk.
♦ Release notes for firmware upgrades and other information. These can be accessed through
ZyXEL FTP server site and ZyXEL web Page.
For ZyXEL support information see the Customer Support section in page v.
Prefacexix
Prestige 480 ISDN Router
Syntax Conventions
• “Enter” means for you to type one or more characters and press the carriage return. “Select” or
“Choose” means for you to select one from the predefined choices.
• The SMT menu titles and labels are in Bold Times font. The choices of a menu item are inBold Arial font. A single keystroke is in Arial font and enclosed in square brackets, for
instance, [ENTER] means the Enter, or carriage return, key; [ESC] means the Escape key.
• For brevity’s sake, we will use “e.g.” as a shorthand for “for instance”, and “i.e.” as a
shorthand for “that is” or “in other words” throughout this manual.
• The Prestige 480 will also be referred to as the Prestige or the P480 from now on, in this
manual
Prefacexx
Prestige 480 ISDN Router
Prestige Scenarios
For fast access to example SMT menus to show you how to configure the Prestige for various
scenarios go to the following sections
SCENARIOGO TO SECTION
To reset your Prestige2.9
DHCP3.4
Internet Access3.5
To configure SUA3.6.2
LAN-to-LAN application5.1
Remote Access under Windows6.4.1
Callback6.4.3
Callback with CLID6.4.4
To apply filters7.4
Prestige Scenariosxxi
Prestige 480 ISDN Router
maintenance facilities.
General Structure of this Manual
Getting Started (Chapters 1-2)
This helps you connect, install and setup your Prestige
to operate on your network.
The Internet (Chapter 3)
This shows you how to configure your Prestige for
Internet access.
Advanced Applications (Chapters 4-9)
This shows how to configure remote nodes and dial-in
servers, how to create/apply filters and how to
Management & Maintenance (Chapter
10)
This provides information on management tools and
Troubleshooting (Chapter 11)
This provides information about solving common
problems.
Structure of the Manualxxii
Prestige 480 ISDN Router
Chapter 1
Getting to Know Your Router
This chapter describes the key features and applications of your Prestige.
1.1 Prestige 480 ISDN Router
The Prestige 480 is a dual-line ISDN router. The Prestige is ideal for everything from Internet
browsing or receiving calls from remote dial-in users to making LAN-to-LAN connections to
remote networks.
1.2 Features of Prestige 480
The following are the key features of the Prestige 480.
Dual ISDN Basic Rate Interface (BRI) Support
The P480 supports two BRI, with each BRI offering two 64Kbps channels. The channels can be
used independently for up to four destinations simultaneously in any incoming/outgoing
combination or be bundled in a single connection to speed up data transfer.
Dial-in Server
The four B-channels and the dial-in capability make the Prestige an ideal platform as a dial-in
server to provide remote access for up to four telecommuting employees.
Auto-negotiating 10/100 Mbps Ethernet
The LAN interface automatically detects if it’s on a 10 or a 100 Mbps Ethernet and adjusts itself
for the highest speed.
Single User Account (SUA)
The SUA™ (Single User Account) features allows multiple users on the LAN to share Internet
access for the price of a single ISP account.
Getting to know your Prestige1-1
Prestige 480 ISDN Router
DNS Proxy
The DNS ( Domain Name System) proxy capability eliminates the need of statically configuring
the DNS servers.
DHCP Support
DHCP (Dynamic Host Configuration Protocol) server/relay support allows the workstations on
your LAN to obtain the configuration from the Prestige.
Dial-On-Demand
The Dial-On-Demand feature allows the Prestige to automatically place a call to a remote gateway
based on the triggering packet’s destination without user intervention.
TCP/IP and PPP Support
♦ TCP/IP (Transmission Control Protocol/Internet Protocol) network layer protocol.
♦ PPP/MP (Point-to-Point Protocol/Multilink Protocol) link layer protocol.
PPP Multilink
The Prestige can bundle up to four B-channels in a single connection using the PPP Multilink
Protocol The number of links can be either statically configured or dynamically managed based on
traffic demand.
Bandwidth-On-Demand
The Prestige can dynamically allocate bandwidth by adding and dropping links according to traffic
demand. The telephone number of an additional link can be obtained either with BAP (Bandwidth
Allocation Protocol) or statically configured.
Full Network Management
♦ Windows based PNC (Prestige Network Commander).
♦ SNMP (Simple Network Management Protocol) support.
♦ SMT (System Management Terminal) access through telnet connection.
PNC
The Prestige Network Commander (PNC) is a C++ based utility designed to allow users to access
the Prestige’s management settings via Windows.
1-2Getting to know your Prestige
Prestige 480 ISDN Router
SNMP
The Simple Network Management Protocol (SNMP) is a management protocol for collecting
information from devices on the network. When TCP/IP is configured in your Prestige, the SNMP
agent functionality allows a manager station to manage and monitor the Prestige through the
network.
SMT
The System Management Terminal (SMT) is a menu-driven interface to configure your Prestige
using either console port (through RS232 cable) connection or telnet (through LAN) connection.
You can access the SMT from either a VT100 compatible terminal or a terminal emulation
program on a PC.
Logging and Tracing
♦ CDR (Call Detail Record) for assistance in analyzing and managing the telephone bill.
♦ Built-in message logging and packet tracing.
♦ UNIX syslog facility support.
RADIUS Support
RADIUS (Remote Authentication Dial-In User Service) is the most popular protocol for user
authentication on dial-up lines. RADIUS support allows you to use an external server for unlimited
number of users and helps in the centralized management of the users database.
PAP and CHAP Security
The Prestige supports PAP (Password Authentication Protocol) and CHAP (Challenge Handshake
Authentication Protocol). CHAP is more secure than PAP; however, PAP is readily available on
more platforms.
CLID Support
CLID (Calling Line Identification) allows the Prestige to authenticate the caller before a call is
answered, thus saving the cost of a connection. The Prestige uses the caller ID in call setup
message to match against the CLID in database. (Note: The telephone company must support
Caller ID for CLID authentication to work on the Prestige.)
Getting to know your Prestige1-3
Prestige 480 ISDN Router
Call Back
The Callback feature allows the Prestige to disconnect a call and then call back when an authorized
remote user dials into the system. This prevents intruders from accessing your network and makes
accounting easier when you use the Prestige as a dial-in server.
Packet Filtering
The Prestige supports packet filtering that stops leakage of private data to the outside world and
controls access to undesirable locations.
Call Control
Your Prestige provides budget management for outgoing calls and maintains a blacklist for
unreachable phone numbers, thus saving you the expense of unnecessary charges.
Data Compression
Your Prestige incorporates Stac data compression to speed up data transfer. Stac is the de facto
standard of data compression over PPP links.
Networking Compatibility
Your Prestige is compatible with remote access products from other manufacturers such as Ascend,
Cisco, and 3Com. Furthermore, it supports Microsoft Windows 95 and Windows NT dial-up
networking (DUN) capability.
Upgrade Firmware via LAN
In addition to the direct console port connection, the Prestige supports the up/downloading of
firmware and the configuration file using TFTP (Trivial File Transfer Protocol) over the LAN.
Even though TFTP should work over the WAN as well, it is not recommended because of potential
data corruption problems.
Backup and Restore Configuration File
You can backup the configuration of the Prestige to your workstation and also restore the
configuration from your workstation.
1.3 Applications for Prestige 480
The following sections show you the possible applications for your Prestige.
1-4Getting to know your Prestige
Prestige 480 ISDN Router
1.3.1 Internet Access
The Prestige is the ideal high-speed Internet access solution. Your Prestige supports the TCP/IP
protocol that the Internet uses exclusively. It is also compatible with access servers manufactured
by major vendors such as Cisco and Ascend. A typical Internet Access application is shown next.
Figure 1-1 Internet Access Application
Internet Single User Account
For a SOHO (Small Office/Home Office) environment, your Prestige offers a Single User Account
(SUA) feature that allows multiple users on the LAN (Local Area Network) to access the Internet
concurrently for the cost of a single account. Single User Account address mapping can also be
used for other LAN to LAN connections.
Getting to know your Prestige1-5
Prestige 480 ISDN Router
Intranet Application
Small/Medium Office users can access the Internet via one ISDN BRI at speed up to 128Kbps even
when the branch office users are connected remotely. The branch office users can access the
Internet without extra ISP subscription fee. The application is shown next in Figure 1.2 Internet
Access Application.
Figure 1-2 Internet Access Application
1-6Getting to know your Prestige
Prestige 480 ISDN Router
1.3.2 LAN-to-LAN Connection
You can use the Prestige to connect two geographically dispersed networks at speeds of up to
256Kbps over two ISDN BRI lines. It incorporates PPP/MP (Point-to-Point Protocol/Multilink
Protocol) to bundle the B channels. The Prestige supports TCP/IP protocols. A typical LAN-toLAN application for your Prestige is shown next.
Figure 1-3 LAN-to-LAN Application
Getting to know your Prestige1-7
Prestige 480 ISDN Router
1.3.3 Remote Access Server
Your Prestige allows remote users to dial in and gain access to your LAN. This feature enables
users that have workstations with remote access capabilities, e.g., Windows 95, to dial in to access
the network resources without physically being in the office. Either PAP (Password Authentication
Protocol) or CHAP (Challenge Handshake Authentication Protocol) authentication can be used to
control the access from the remote users. You can also use callback for security and/or accounting
purposes.
Figure 1-4 Remote Access Server Application
1-8Getting to know your Prestige
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