Enterasys Networks ANG-1100 User Manual

Aurorean ™ Virtual Network
Aurorean ™ Virtual Network
Aurorean ™ Virtual Network Aurorean ™ Virtual Network
ANG-1100
ANG-1100
ANG-1100ANG-1100
User’s Guide
User’s Guide
User’s GuideUser’s Guide
Version 2.1
Version 2.1
Version 2.1Version 2.1

Notice

Enterasys Networks and its licensors reserve the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Enterasys Networks to determine whether any such changes have been made. The hardware, firmware, or software described in this manual is subject to change wi thout notice.
IN NO EVENT SHALL ENTERASYS NETWORKS AND ITS LICENSORS BE LIABLE FOR ANY INCIDENTAL, INDIRECT, SPECIAL, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING BUT NOT LIMITED TO LOST PROFITS) ARISING OUT OF OR RELATED TO THIS MANUAL OR THE INFORMATION CONTAINED IN IT, EVEN IF ENTERASYS NETWORKS AND ITS LICENSORS HAVE BEEN ADVISED OF, KNOWN, OR SHOULD HAVE KNOWN, THE POSSIBILI TY OF SUCH DAMAGES.
Enterasys Networks, Inc. 35 Industrial Way Rochester, NH 03866-5005
2001 by Enterasys Networks, Inc. All Rights Reserved Printed in the United States of America The ENTERASYS NETWORKS logo, AUROREAN, PRESCRIPTIVE DIAGNOSTICS ENGINE, RIVERMASTER,
INTELLIGENT CLIENT ROUTING, and TOLLSAVER are trademarks of Enterasys Networks. MICROSOFT , MS, and MS-DOS are registered trademarks and Windows, Windows 95, Windows 98, Windows NT,
Windows 2000 Professional and Windows Millennium are trademarks of Microsoft Corporation in the USA and other countries.
VIRTUAL NETWORK COMPUTING is a trademark of AT&T Laboratories Cambridge. Other trademarks and trade names used in this publication belong to their respective owners. Aurorean Virtual Network software includes the following third-party components:
Commercial support for ActivePerl is available through PerlClinic at http://www.ActiveState.com. Peer support resources for ActivePerl issues can also be found at the ActiveState Web site under support at http://ActiveState.com/support/. The ActiveState Repository has a large collection of modules and extensions in binary packages that are easy to install and use. To view and install these packages, use the Perl Package Manager (PPM) which is included with ActivePerl. ActivePerl is the latest Perl binary distribution from ActiveState and replaces what was previously distributed as Perl for Win32. The latest release of ActivePerl as well as other professional tools for Perl developers are available from the ActiveState Web site.
Gate Daemon software © 1995 The Regents of the University of Michigan. All rights reserved. Gate Daemon was originated and developed through release 3.0 by Cornell University and its collaborators.
A DES implementation written by Eric Young © 1995-1997 Eric Young (eay@cryptsoft.com). All rights reserved. MD4 and MD5 implementation derived from the RSA Data Security, Inc. MD4 Message-Digest Algorithm and
MD5 Message-Digest Algorithm © 1991-2, RSA Data Security, Inc. Created 1991. All rights reserved. ccp.c - PPP Compression Control Protocol © 1994 The Australian National University. All rights reserved. chap.c - Crytographic Handshake Authentication Protocol © 1991 Gregory M. Christy. All rights reserved. chap_ms.c - Microsoft MS-CHAP compatible implementation © 1995 Eric Rosenquist, Strata Software Limited
(www.strataware.com). All rights reserved. fsm.c - {Link, IP} Control Protocol Finite State Machine © 1989 Carnegie Mellon University. All rights reserved. Routines to compress and uncompress TCP packets (for transmission over low speed serial lines) © 1989 Regents of the
University of California. All rights reserved. Portions of the Aurorean Client Software are copyrighted to ICE Engineering, Inc. and licensed through a GNU public license. For
more information, including access to the source code, visit their Web site at www.ice.com.
Part Number: 9033734-01 October 2001 Printed in the United States of America
Federal Communications Commission (FCC) Notices
The Aurorean Network Gateway-1102/1 105 complies with T itle 47 Part 15, Class B of FCC rules. Operation is subject to the following two conditions:
• This device may not cause harmful interference.
• This device must accept any interference received, including interference that may cause undesired operation.
Modifications or changes made to this device, and not approved by Enterasys Networks may void the authority granted by the FCC or other such agency to operate this equipment.
There are no user-repairable components in the Aurorean Network Gateway-1102/1105.
Canadian Notices
This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the interference-causing equipment standard entitled “Digital Apparatus”, ICES-003 of the Department of Communications (Cet appareil numérique respecte les limites bruits radioélectriques applicables aux appareils numériques de Classe A prescrites dans la norme sur le matériel brouilleur: “Appareils Numériques”, NMB-003 édictée par le ministre des Communications).
NOTICE: The Industry Canada label identifies certified equipment. This certification means that the equipment meets certain telecommunications network protective, operational and safety requirements. The Department does not guarantee the equipment will operate to the user's satisfaction.
Before installing this equipment, users should ensure that it is permissible to be connected to the facilities of the local telecommunications company. The equipment must also be installed using an acceptable method of connection. In some cases, the inside wiring associated with a single line individual service may be extended by means of a certified connector assembly. The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations.
Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier. Any repairs or alterations made by the user to this equipment, or equipment malfunctions, may give the telecommunications company cause to request the user to disconnect the equipment.
Users should ensure for their own protection that the electrical ground connections of the power utility, telephone lines and internal metallic water pipe system, if present, are connected together. This precaution may be particularly important in rural areas.
CAUTION: Users should not attempt to make such connections themselves, but should contact the appropriate electric inspection authority, or electrician, as appropriate.
UL Notices
The Aurorean Network Gateway-1102/1105 have been tested and found to comply with the UL 1950/CSA c22.2 Revision 3/CUL regulation.
European Notices
The ANG-1102/1105 has been tested and found to comply with the CISPR 22:1997 Class B regulation.
Aurorean Network Gateway-1100 User’s Guide iii
ELECTRICAL HAZARD: Only qualified personnel should perform installation procedures.
Important Safety Instructions
1) Read these instructions carefully. Save these instructions for future reference.
2) Follow all warnings and instructions marked on the product.
3) Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning.
4) Do not use this product near water.
5) Do not place this product on an unstable cart, stand, or table. The product may fall, causing serious damage to the product.
6) Slots and openings in the chassis are provided for ventilation; to ensure reliable operation of the product and to protect it from overheating, these openings should not be blocked or covered. The openings should never be blocked by placing the product on a bed, sofa, rug, or other similar surface. This product should never be placed near or over a radiator or heat register, or in a built-in installation unless the proper ventilation is provided.
7) This product should be operated from the type of power indicated on the marking label. If you are not sure of the type of power available, consult Enterasys Networks or your local power company.
8) Do not allow anything to rest on the power cord. Do not locate this product where persons will walk on the cord.
9) If an extension cord is used with this product, make sure that the total ampere rating of the equipment plugged into the extension cord does not exceed the extension cord ampere rating. Also, make sure that the total rating of all products plugged into the wall outlet does not exceed the fuse rating.
10) Never push objects of any kind into this product through chassis slots as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock. Never spill liquid of any kind on the product.
11) Do not attempt to service this product yourself, as operating or removing covers may expose you to dangerous voltage points or other risks. Refer all servicing to qualified service personnel.
12) Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions:
a) When the power cord or plug is damaged or frayed. b) If liquid has been spilled into the product. c) If the product has been exposed to rain or water. d) If the product does not operate normally when the operating instructions are followed. Adjust only
those controls that are covered by the operating instructions since improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore
the product to normal condition. e) If the product has been dropped or the chassis has been damaged. f) If the product exhibits a distinct change in performance, indicating a need for service.
13) Use only the proper type of power supply cord set (provided in your accessories box) for this unit. It should be a detachable type, UL listed/CSA certified, type SPT-2, rated 7A 125V minimum, VDE approved or equivalent. Maximum length is 15 feet (4.6 meters).
iv Aurorean Network Gateway-1100 User’s Guide
About Thi s Guide
Contents of the Guide ...........................................................................................................ix
Conventions Used in This Guide...........................................................................................x
Related Publications.............................................................................................................. xi
Chapter 1 – Overview
System Description..................................................................................................................1
Chapter 2 – Installation
Unpacking the ANG-1102/1105 ........................................................ ....................................3
Accessories ........................................................................................................................4
Location Planning .............................................................................................................4
Connecting Cables...................................................................................................................5
Ethernet Connections.......................................................................................................5
Table of Contents
Table of Contents
Table of ContentsTable of Contents
Serial Connection..............................................................................................................7
Connecting Power to the ANG-1102/1105...........................................................................8
Checking ANG-1102/1105 Connections.............................................................................10
LED behavior................................... ...... ............................................. ...... ...... .................10
Aurorean Network Gateway-1100 User’s Guide v
Table of Contents
Chapter 3 – Configuring the ANG-1100 with Au rorean Web
Config
Before You Begin.............................................................................................................11
Logging into Web Config.............................................................................................. 13
Setting Your Password .................................................................................................. 14
Viewing VPN Status......................................................................................................15
Setting Up the VPN ....................................................................................................... 16
Setting Up the Internet Connection.............................................................................18
Downloading the Latest Firmware.............................................................................. 21
Setting Up the LAN.......................................................................................................24
Setting Up the Firewall.................................................................................................. 26
Setting Your Password .................................................................................................. 28
Checking Device Status......................... ...... .................................................................. 30
Using Advanced Utilities..............................................................................................33
Using the Configuration Editor ...................................................................................34
Appendix A – Glossary Appendix B – Specifications Appendix C – Pin Assignments Appendix D – Program License Agreement & Support
Enterasys Networks, Inc. Program License Agreement..................................................55
License ....................................................................................................................................56
Other Restrictions.......................................... ...... ............................................. ...... ...... ......... 56
Applicable Law......................................................................................................................56
Export Requirements............................................................................................................ 56
vi Aurorean Network Gateway-1100 User’s Guide
Index
Table of Contents
United States Government Restricted Rights ....................................................................57
Exclusion of Warranty.......................................................................................................... .57
No Liability for Consequential Damages...........................................................................58
Technical Support...................................................................................................................58
Support from Enterasys Networks...............................................................................58
Returning Products for Repair............................. ...... ..... ..............................................59
Aurorean Network Gateway-1100 User’s Guide vii
This guide describes how to mount, connect, power-up, and maintain an Aurorean™ Network Gateway-1100 (ANG-1102/1105) from Enterasys Networks.
This guide is written for administrators who wa nt to configure the ANG-1100 for their remote clients or experienced users who are knowledgeable of basic networking principles.

Contents of the Guide

Information in this guide is arranged as follows:
! Chapter 1, Overview highlights the key features of the Aurorean
Virtual Network family of enterprise VPN products.
! Chapter 2, Installation describes how to physically mount, connect,
and power-up Aurorean servers.
! Chapter 3, Configuring the ANG-1100 with Aurorean Policy Manager,
details how to configure the server.
! Appendix A, Glossary defines terms used in this manual.

About This Guide

About This Guide
About This GuideAbout This Guide
! Appendix B, Specifications provides essential physical and operational
characteristics of the AN G - 1100.
! Appendix C, Pin Assignments describes the pinouts of the LAN
connectors.
! Appendix D, License Agreement & Support describes the warranty terms
and support policies covering Enterasys Networks products.
Aurorean Network Gateway-1100 User’s Guide ix
Conventions Used in This Guide About This Guide

Conventions Used in This Guide

The following conventions are used in this guide:
NOTE Notes supply additional helpful information,
CAUTION Cautions contain directions that can prevent you
WARNING Warnings provide directions that you must
Bold Text in boldface indicates values you type using
Italics T ext in italics indicates a variable, important new
SMALL CAPS Small caps specify the keys to press on the
Courier font Text in this font denotes a file name or directory.
provide a cross-reference to the source of more information, or emphasize issues you should consider when performing an action.
from damaging the product or losing data.
follow to avoid harming yourself.
the keyboard or select using the mouse (for example, a:\setup). Default settings may also appear in bold.
term, or the title of a manual.
keyboard; a plus sign (+) between keys indicates that you must press the keys simultaneously (for example,
CTRL+ALT+DEL).
x Aurorean Network Gateway-1100 User’s Guide
About This Guide Related Publications

Related Publications

The following publications are also available with the Au rorean Network Gateway-1100:
! The ANG-1102/1105 Quick Setup card which highlights the basic steps
required to install the Aurorean Network Gateway-1100.
! The Installation & Service Guide which describes how to install and
maintain the ANG-3000/7000 series, the Aurorean server which can be used to complete a VPN connection with the ANG-1100.
! A Portable Document File (PDF) version of this manual is available and
can be downloaded from the Enterasys.com Web site. You can view this manual on-line or print a copy of it using Adobe Acrobat Reader 3.0 (or later). Acrobat Reader can be downloaded from the Enterasys web site or the Adobe web site at www.adobe.com.
! All Aurorean manuals, Release Notes and Quick Start Cards are
stored at this URL: http://www.enterasys.com/support/ manuals.
Aurorean Network Gateway-1100 User’s Guide xi
This chapter describes the key features of the Aurorean Network Gateway 1100 and how it is used.

System Description

The ANG-1100, displayed in Figure 1, provides home or small office connectivity to a corporate branch of fi ce or headqu arters. I t supports up to 25 tunnels.
1

Overview

Overview
OverviewOverview
Figure 1 ANG-1100
Figure 2 illustrates how the ANG-1100 typically connects to the corporate network.
Aurorean Network Gateway-1100 User’s Guide 1
System Description Chapter 1
Overview
Hub
Cable/DSL modem
ANG-1102/1105
- Initiates tunnel to ANG-3000/7000
- Negotiates tunnel protocols
- Encrypts data over tunnel
An ANG-1100 comes equipped with the following:
! 110-250V power supply.
INTERNET
- Negotiates tunnel protocols
- Compresses data over tunnel
- Encrypts data over tunnel
ANG-3000/7000
Router
Site-to-Site connection
Firewall
Figure 2 ANG-1102/1105 Topology
APS-3000/7000
- Authenticates Aurorean users (or forwards login requests to RADIUS servers)
- Logs message/alarm activity
- Maintains master TollSaver database
RiverMaster
- Defines user/group policies
- Displays message/alarm activity
- Configures system network settings
! High-performance CPU: 90 MHz internal, 45 MHz external. ! Complete set of diagnostic LEDs which display the servers
operational status.
! One (ANG-1102) or four trusted (ANG-1105) 10/100 Base-T Ethernet
ports and one external 10 Base-T port each to connect the system to the network and the Internet.
! One DB-9 port (ANG-1105) for diagnostics.
2 Aurorean Network Gateway-1100 User’s Guide
This chapter describes the steps required to unpack, install and connect an Aurorean Network Gateway-1102/1105 onto a desktop.

Unpacking the ANG-1102/1105

Remove the ANG-1102/1105 from the shipping box. Save the box in case the unit needs to be returned.
2

Installation

Installation
InstallationInstallation
Quick Setup
card
Power
Power
cord
Cross-over
supply Cable
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CD ROM
Figure 3 Removing ANG-1102/1105 from the Shipping Box
Aurorean Network Gateway-1100 User’s Guide 3
Unpacking the ANG-1102/1105 Chapter 2
Installation
The box contains a CD ROM with this instruction manual in the Adobe PDF format, a Quick Setup card and accessories. See an illustration of the ANG-1105 below.
Figure 4 ANG-1105

Accessories

The ANG-1100 also is shipped with the following accessories:
! One cross-over (red) cable for a direct PC/Network Gateway
connection.
! One power supply with an attached cable to connect to the
ANG-1100.
! One power cord to connect the power supply to the AC outlet.

Location Planning

Place the ANG-1100 on a desktop near the following:
! Ethernet wall jack, patch panel, or hub with av ailable ports. ! Near a DSL or Cable modem. ! A grounded wall outlet or uninterruptible power supply (UPS).
4 Aurorean Network Gateway-1100 User’s Guide
Chapter 2 Connecting Cables
Installation

Connecting Cables

Ethernet cables are used to connect the ANG-1100 to your computer or LAN and the Internet. A serial cable can be used to connect the ANG-1105 to your computer for diagnostic purposes.
All interconnections are made at the back of the ANG-1100 (refer to Figur e 5). Also, a reset button is located in the rear of the unit.
CAUTION
If you press the Reset button after you have configured your ANG-1100, you will lose your entire configuration. Any settin gs you supplied must then be re-entered. Do not use the Reset button unless you want the configuration to return to factory defaults; you may want to record your settings before using the Reset button.

Ethernet Connections

The ANG-110 2 is equipped with two 8-pin modular RJ -45 Ethernet ports ( five ports on the ANG-1105) labeled TRUSTED and EXTERNAL as shown in Figure 5. The trusted port is connected to a computer or hub/switch with networked computers. The external port is connected to a cable or DSL modem.
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Figure 5 Location of the Serial/WAN/LAN Ports (ANG-1105 shown)
The trusted connection can be either a sole desktop computer or a hub that connects up to 25 tunnels to the network as shown in Figure 6.
Aurorean Network Gateway-1100 User’s Guide 5
Connecting Cables Chapter 2
Installation
Connecting an ANG-1102/1105
The ANG-1100 is typically set up in the configuration shown below.
Site-to-site tunnel
Trusted (LAN)
connection
or
User
ANG-3000/7000
Users
Hub
User
Cable / DSL
Modem
INTERN ET
External (WAN)
connection
Aurorean Network
Gateway-1100
Site-to-site tunnel Internet connection
Trusted connection
Figure 6 Connecting the ANG-1100
To connect the ANG-1100 Ethernet port, perform the following steps:
1 Do one of the following as shown in Figure 7:
If you are connecting an ANG-1102 to a hub, plug one end of a
straight-through Ethernet cable into the ANGs trusted port. If you are connecting an ANG-1105 to a PC, plug one end of a straight-through cable into the ANGs trusted port. If you are connecting an ANG-1105 to a hub, plug one end of the red, cross­over cable to a trusted port. Go to Step 2.
If you are connecting the ANG-1102 directly to a computer, attach
one end of the red, cr oss-over cable to a trusted port and the other end to an RJ45 connector on your computer. Skip to Step 3.
2 Plug the opposite end of the cable into a wall jack, patch panel, or hub
linked to a protected network segment.
6 Aurorean Network Gateway-1100 User’s Guide
Chapter 2 Connecting Cables
Installation
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Connection to serial port on PC

Serial Connection

Straight-through cable for connection out to DSL or cable modem
Cross-over cable for direct PC connection by ANG-1102 or Hub connection by ANG-1105
Straight-through cable for Hub connection by ANG-1102 or direct
OR
PC connection by ANG-1105
Figure 7 Connecting Cables to the ANG-1100 (ANG-1105 shown)
3 Plug an Ethernet cable into the External port as shown in Figure 7. 4 Plug the opposite end of this cable into a DSL or cable modem.
NOTE
If you have a DSL modem, you will need to get an IP address from your provider and configure it. This condition may also exist for selective cable customers. Some cable internet providers require that you supply the MAC address of your computer. Refer to Chapter 3 for directions.
The ANG-1105 is equipped with one 9-pin DB-9 port for use as a console port. You can then start a Hyperterminal session or establish a link using another terminal emulator.
Connecting an ANG-1105
To connect the ANG-1105 serial port, connect one end of a null modem cable (female-to-female) to the DB-9 port and another to the DB-9 port on your PC.
Aurorean Network Gateway-1100 User’s Guide 7
Connecting Power to the ANG-1102/1105 Chapter 2
R
Installation

Connecting Power to the ANG-1102/1105

WARNING
To avoid electrical shock, connect the Aurorean system to a grounded (earthed) outlet only.
A switching power supply includ ing a 6 power cord and a 7 electrical cord with an attached power supply is supplied with each system. To connect these items to an ANG-1100, perform the following steps:
1 Plug the power supply cord into the system’s power socket as shown
in Figure 8.
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Power supply cable
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Figure 8 Connecting AC Power on the ANG-1100 (ANG-1105 shown)
8 Aurorean Network Gateway-1100 User’s Guide
Chapter 2 Connecting Power to the ANG-1102/1105
Installation
2 Plug the AC power cord into the power supply and the other end into
a grounded AC outlet or UPS as shown in Figure 9.
The Power LED on the ANG-1100 will light the moment you power up the unit.
Power supply
AC power cord
Figure 9 Connecting the Power Cable to the Power Supply
NOTE
International customers may swap the electrical cord segment shipped with the ANG-1100 for a cord that meets the proper standard for their country. A custom cord can be inserted in the power supply.
Aurorean Network Gateway-1100 User’s Guide 9
Checking ANG-1102/1105 Connections Chapter 2
Installation

Checking ANG-1102/1105 Connections

The ANG-1100 is now connected and ready for configuration. Check the LEDS in the manner described below to confirm that the conn ections are working properly.

LED behavior

The LEDs behave as follows at when powered up at startup :
! Power LED stays ON for 2-3 seconds indicating boot diagnostics are
running followed by boot up of the Linux kernel. – If the Power LED flashes at a twice per second interval, boot
diagnostics have failed.
If the Power LED remains ON or OFF following the boot
sequence, the kernel has failed to boot.
! Power LED blinks once per second indicating the system is operating
correctly.
! LAN LEDs 1-4 either blink when active or r emain ON. The ANG-1 1 02
LAN LEDs are amber (10 Mbps); the ANG -1105 LAN LEDs are green (100 Mbps) or amber if the connected device is running at 10 Mbps.
! The WAN LED either blinks when active or remains ON. ! The VPN LED stays ON when a tunnel is connected.
The ANG-1100 is now rea dy for configuration. Refer to Chapter 3 for detailed instructions.
10 Aurorean Network Gateway-1100 User’s Guide
3
Configuring the ANG-1100 with
Configuring the ANG-1100 with
Configuring the ANG-1100 withConfiguring the ANG-1100 with
Aurorean Web Config
Aurorean Web Config
Aurorean Web ConfigAurorean Web Config
To configure the ANG-1100, use the Internet browser on your computer and connect to the server via the Web. During the Web session, you run the Aurorean Web Config utility and configure the system. Figure 10 il lustrates the process.
Aurorean
Network Gateway
Aurorean
Remotely Control ANG
Policy
Manager
PC Desktop
Figure 10 Configuring the ANG-1100 via Aurorean Web Config

Before You Begin

Before you begin configuration with Web Config, review the following:
! Be sure the ANG-1100 is cabled correctly as described in “Connecting
an ANG-1100 in Chapter 2 of this manual.
! Ask your DSL or cable modem Internet provider and Network
Administrator for any IP addresses, work group, n etwork browsing or other information you may need to configure the ANG-1100 properly. Minimally, you will need:
The IP address of the ANG-3000/700 0 you will connect to for
setting up the VPN.
Aurorean Network Gateway-1100 User’s Guide 11
Chapter 3
Configuring the ANG-1100 with Aurorean Web Config
To configure your PC to include the domain of the corporate
network you will connect to.
To do so on your Windows 95/98/ME/2000 desktop: click Start, select Settings and double-click Control Panel (Win 2000: Network and Dial-up Connections). Do uble- c lick the Network icon (Win 2000: right click on Local Area Connection and click Properties), click the Protocols tab, select TCP/IP Protocol, click Properties, select the DNS ta b and add the Domain Suffix in the field provided. Click OK twice to close the open windows.
! On your computer, release and renew the IP address for all adaptors
bound to TCP/IP. Refer to the Caution on page 27 for instructions.
! If you have cable service, learn the MAC address of your computer as
described on page 36.
! If your computer was supplied a static IP address and Gateway by
your service provider , you must now accept the address from a DHCP server and remove the gateway for the ANG-1 100 to find and connect with the PC.
T o do so, click Start, select Settings and double-click on Control Panel. Double-click the Network icon, select the Protocols tab and TCP/IP Protocol, click on Properties and the IP Address tab. Select the Obtain an IP address from a DHCP server radio button. Click Advanced, select the Gateway, click Remove and OK. Click OK twice more to close the open windows.
! Web Config supports the use of Internet Explorer 5 or Netscape 4 and
higher Web browsers.
! If your Web browser has Proxy settings, you must do the fo llowing:
For Internet Explorer users, under Tools/Internet Options/
Connections/LAN Settings, uncheck Automatically detect settings and Use automatic configuration script boxes. Also check the Use a proxy server and Bypass proxy server for local addresses boxes and ask your network administrator for the IP Address, Port number and any Advanced settings.
For Netscape users, under Edit/Preferences/Advanced/
Proxies, uncheck any proxy radio buttons and check the Direct connection to the Internet button. No bypass option is available.
12 Aurorean Network Gateway-1100 User’s Guide
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