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ELSA Cable Set up the workstation computers (Windows 95 or 98)

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Installation and configuration

ELSA MicroLink Cable

15

English

fGo then to the 'Bridge' section and deactivate the option 'Bridge' on the 'General'

tab.

gSave the configuration with OK.

The

ELSA MicroLink Cable

is now ready for use in router mode. Open your Web browser,

and off you go into the Web with a whole new sensation of speed...

If necessary, filters can be defined to restrict the exchange of data packets between the

local network and the Internet. This lets you define restrictions on the workstations that

can access the Internet, or on specific pages of the Internet that cannot be viewed.

Set up the workstation computers (Windows 95 or 98)

We will now briefly show you how the workstation computers must be set up (e.g. under

Windows 95 and Windows 98) to ensure problem-free communication between the

computers on the TCP/IP network and the router, if this has not already been done.

KTCP/IP installation

Install TCP/IP by clicking Start E Settings E Control Panel E Network E Add

E Protocol. Select 'Microsoft' under Manufacturers and 'TCP/IP' under Network

Protocols.

KObtain IP addresses automatically (use DHCP)

Here's how to set individual workstations to automatically obtain an IP address:

Start E Settings E Control Panel E Network E TCP/IP E Properties E IP

Address E Obtain an IP address automatically. Delete any existing entries for

DNS servers and gateways on the 'Gateway' and 'DNS Configuration' tabs and

disable the 'DNS' option. When rebooting, the workstation will look for a DHCP

server in the network and will allow the server to assign it an IP address and a

netmask.

KConfiguring fixed IP addresses (not using DHCP)

If you do not wish to use a DHCP server on your network you should configure fixed

IP addresses on your workstation computers: Start E Settings E Control Panel

E Network E TCP/IP E Properties E IP Address E Specify an IP address.

Allocate unique IP addresses, e.g. from a reserved address space. The workstations

can be assigned the addresses '10.1.1.2' to '10.1.1.253', for example, the

ELSA

MicroLink Cable

the address '10.1.1.1', all with the netmask '255.255.255.0'.

Ensure that the address intended for the

ELSA MicroLink Cable

, i.e. '10.1.1.1', is

available by opening a DOS box and entering the command ping 10.1.1.1. If

you do not receive a reply to this request the address is probably still unused.

Contents

Main Page Preface Page V Content VI VII Page Introducing the ELSA MicroLink Cable ELSA MicroLink Cable The takes the stage What does the unit look like? Page ABC EFGD 4 Node or hub? Look at the link status LED (Link) to check if the node/hub switch is set correctly. The highlights of the ELSA MicroLink Cable Fast Internet Internet at all timesalways online More than just Internet Page 7 CE conformity and FCC radiation standard Page Installation and configuration First Steps Quick Start: Quick configurations Preparations Configuration as a bridge Page Configuration as a router Installation and configuration 14 Set up the workstation computers (Windows 95 or 98) Page Configuration modes The user-friendly method: inband Requirements for inband configuration Alternatively: addresses can be managed by the DHCP server Starting inband configuration using ELSA LANconfig Start up inband configuration using telnet English Configuration commands Page 21 What's happening on the line? Trace Outputs 22 You will find notes on the interpretation of trace outputs in the reference section of this guide. New firmware with FirmSafe This is how FirmSafe works How to load new software Configuration using SNMP General Accessing tables and parameters using SNMP Page 27 The Management Information Base (MIB) Page Operating modes and functions Security for your configuration Password protection Login barring Access control via TCP/IP Security for your LAN Encryption TCP/IP packet filters The hiding placeIP masquerading (NAT, PAT) 32 IP routing The IP routing table Page Dynamic routing with IP/RIP Local routing IP masquerading (NAT, PAT) 37 You can view these tables in detail in the router statistics (see also 'Status'). DNS forwarding Bridging 40 Automatic address administration with DHCP The DHCP client The DHCP server DHCP 'on', 'off' or 'auto'? How are the addresses assigned? 43 Page Page Page Technical basics Cable modem technology Standards Access Registration in the cable network Page Network technology The network and its components Connection modes Page Kinds of networks IP addressing Page Page IP routing and hierarchical IP addressing Page Expansion through local networks Page Page Page Page Page Appendix Technical data ELSA LANconfig ELSA MicroLink Cable Page Warranty conditions Page Declaration of conformity KONFORMITTSERKLRUNG MicroLink Cable Page Index Page Page Page Description of the menu options R74 Overview of the menus R75 Status R76 Status/Operating-time Status/Current-time Status/Cable-statistics R77 Status/LAN-statistics R78 Status/Bridge-statistics R79 Status/TCP-IP-statistics R80 Status/TCP-IP-statistics/IP-statistics Status/TCP-IP-statistics/ICMP-statistics R81 Status/TCP-IP-statistics/TCP-statistics Status/TCP-IP-statistics/TFTP-statistics R82 Status/TCP-IP-statistics/DHCP-statistics R83 Table-DHCP This menu groups together the statistics from the IP router module. Status/IP-router-statistics R84 R85 Status/Config-statistics Status/Queue-statistics R86 R87 Status/MCNS-statistics Status/Init-status R88 Status/DHCP-client-statistics Setup R89 Setup/Cable-module Setup/LAN-module R90 Setup/Bridge-module If the device is used just as an IP router connection, the bridge should be deactivated. Setup/TCP-IP-module Page Page R94 Setup/IP-router-module Activating the IP router module also activates the TCP/IP module. R95 R96 Enable local routing for this function. R97 R98 R99 R100 R101 Setup/SNMP-module Setup/DHCP-server-module R102 R103 Setup/Config-module R104 Firmware R105 R106 Other