Lan | ELSA Cable manual

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12Installation and configuration

Internet

Computer workstation in

LAN

IP address assignment

MCNS/

DOCSIS

Server with	Headend	Cable TV net-	ELSA MicroLink Cable
DHCP		work	as bridge

In this example, only one computer is connected to the Internet via the ELSA MicroLink Cable. In principle however, several computers can be connected to the ELSA MicroLink Cable, using a hub for example, if the network operator permits.

aStart up ELSA LANconfig by clicking Start E Programs E ELSAlan E ELSA LANconfig.

bClick the entry for the ELSA MicroLink Cable in the device list to open the

configuration dialog. If an entry doesn't exist yet, create a new one using Device E New. For the IP address, enter '10.0.0.254' or 'x.x.x.254', in which 'x.x.x' stands for the addresses previously in use in your network, if applicable. Go to the 'Bridge' section and activate the option 'Bridge' on the 'General' tab.

cGo to the 'TCP/IP' configuration section and on the 'Router' tab, disable the 'IP Router' option. Also deactivate the DHCP server of your ELSA MicroLink Cable on the 'DHCP Server' tab, as well as the 'IP Masquerading' function on the 'Masquerading' tab.

dSave the configuration with OK.

ELSA MicroLink Cable

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ELSA Cable manual Lan

Contents

Manual ELSA, Inc SonnenwegAachen Germany Thank you for placing your trust in this Elsa product Introducing the Elsa MicroLink CablePage Content Elsa Cable Modem VI Content Setup/SNMP-module Viii Content Elsa MicroLink Cable What does the unit look like?Introducing the Elsa MicroLink Cable Meanings of the specific blink codes Sync BC D E F G These LEDs show the corresponding network controller status Highlights of the Elsa MicroLink Cable Node or hub?Fast Internet Cable network Regional content Internet at all times-always onlineMore than just Internet Backbone Proxy servers CE conformity and FCC radiation standard CE and FCC Introducing the Elsa MicroLink Cable Installation and configuration Elsa MicroLink Cable Configuring the Elsa MicroLink Cable First Steps Preparations Quick Start Quick configurationsConfiguration as a bridge LAN Configuration as a router Off you go into the Web with a whole new sensation of speed On the Router tab, enable the IP Router option Obtain IP addresses automatically use Dhcp TCP/IP installationConfiguring fixed IP addresses not using Dhcp Checking the IP configuration User-friendly method inband Requirements for inband configurationConfiguration modes Starting inband configuration using Elsa LANconfig Start up inband configuration using telnet Configuration commands This command Means this For instance Set/se/snmp/admin The Administrator How to start a trace Command to call up a trace follows this syntaxWhats happening on the line? Trace Outputs Examples New firmware with FirmSafeThis is how FirmSafe works How to load new software Elsa LANconfig Configuration using Snmp General Tftp Command Target/Source Function Accessing tables and parameters using SnmpAccess protection in Snmp IP address IP-netmask Router name Distance Deleting rows in tables using SnmpAppending rows to tables using Snmp Error messages via Snmp trap Management Information Base MIB Configuration modes Security for your configuration Password protectionLogin barring Operating modes and functions Globally to Access control via TCP/IPSecurity for your LAN Hiding place-IP masquerading NAT, PAT EncryptionTCP/IP packet filters IP address IP netmask Router Dis Tance IP routingIP routing table IP address IP netmask Router name Dist This is what happens 192.168.130.0 255.255.255.0 Dynamic routing with IP/RIP What information is propagated by IP/RIP?What do the entries mean? IP address IP netmask Time Distance Router Local routing Interaction of static and dynamic tables IP masquerading NAT, PAT Two addresses for the router How does IP masquerading work? Simple and inverse masqueradingCable TV net Work Only small difference is that Which protocols can be transmitted using IP masquerading?DNS forwarding Bridging Rator Automatic address administration with Dhcp What are the filter options? Dhcp client Dhcp serverCable modem really belongs to two LANs IP address Network mask Broadcast address Default state is auto Dhcp on, off or auto?How are the addresses assigned? IP address assignment Default gateway assignment Network mask assignmentBroadcast address assignment DNS server assignment Priority for the Dhcp server Request assignment Priority for a workstation-overwriting an assignment Operating modes and functions Operating modes and functions Elsa MicroLink Cable Access Two standards get around this problemCable modem technology Standards Operator Work Registration in the cable networkNetwork of the cable network Cable TV net Registration Connection modes Network technologyNetwork and its components Host IP addressing Kinds of networks This address Bytes Looks like this in bits ExamplesSame IP address, this time with another netmask IP address Netmask Remark 10.0.0.0 255.0.0.0 There are two considerations when using these IP addresses IP routing and hierarchical IP addressing Host Smith External host Marketing Example Expansion through local networks Why a LAN is called multiprotocol-capable 80-C7-6D-A4-6EEasy as possible That is processed by all computers in the LAN LAN as easy as possible Data transfer within the LANInterface only understands MAC addresses Host Smith Data transfer from the LAN onto the Internet LAN coupling on MAC basis Technical basics Elsa MicroLink Cable Technical data Appendix Package contents Service Warranty conditions Warranty coverageWarranty period Warranty procedure Operating mistakes Additional regulations Declaration of conformity Typenbezeichnung Appendix Elsa MicroLink Cable Index Inde70 32, 40 Gateway Heap reserve17, 32 17, 18 Setup Trace Wireless links Inde72 Symbols Description of the menu options R73 R74 Description of the menu options Overview of the menus Status Running status displays StatusDescription of the menu options R75 Status/Operating-time Status/Current-timeStatus/Cable-statistics R76 Description of the menu options LAN-statistics Running status displays Status/LAN-statisticsDescription of the menu options R77 Status/Bridge-statistics R78 Description of the menu optionsCannot be modified manually Bridge-statistics Running status displays Status/TCP-IP-statistics Description of the menu options R79Status/TCP-IP-statistics/ARP-statistics These statistics include the following values Status/TCP-IP-statistics/ICMP-statistics R80 Description of the menu optionsStatus/TCP-IP-statistics/IP-statistics Status/TCP-IP-statistics/TFTP-statistics Description of the menu options R81Status/TCP-IP-statistics/TCP-statistics R82 Description of the menu options Status/TCP-IP-statistics/DHCP-statistics Status/IP-router-statistics Description of the menu options R83Shrinks accordingly. It has the following layout IP-router-statistics Statistics from the IP router area R84 Description of the menu options Status/IP-router-statistics/RIP-statisticsProtocol LAN-tx Cable-tx IP-address IP-netmask Time Distance Router Status/Config-statistics Config-statistics Remote configuration statisticsStatus/Queue-statistics Description of the menu options R85 R86 Description of the menu options IPr-RIP-queue-packets Status/MCNS-statistics Status/Init-statusDescription of the menu options R87 MCSN-statistics Setup System configurationStatus/DHCP-client-statistics R88 Description of the menu options Setup/Cable-module Setup/LAN-moduleEntering the following command Default configuration, no name is entered Setup/Bridge-module R90 Description of the menu options MAC-address field Setup/TCP-IP-moduleDescription of the menu options R91 Configuration, the TCP/IP module is activated R92 Description of the menu options Description of the menu options R93 Setup/IP-router-module Configuration, the IP router module is activatedIP-address Node-ID Last-access Connect IP-router-module IP router module settings Description of the menu options R95 IP-address IP netmask Router-name Distance R96 Description of the menu options Setup/IP-router-module/Routing-methodRouting-method Routing method settings Setup/IP-router-module/RIP-configuration Different settings have the following meaningSettings have the following meaning Description of the menu options R97 Following layout Setup/IP-router-module/MasqueradingR98 Description of the menu options Setup/IP-router-module/firewall Description of the menu options R99 R10 Description of the menu options Setup/SNMP-module Setup/DHCP-server-moduleDescription of the menu options R10 On The device operates as a Dhcp server Default value of 6000 minutes equals approximately 4 days R102 Description of the menu optionsOff The device does not operate as a Dhcp server Network mask is assigned in the same way as the IP address Setup/Config-module IP-address Node-ID Timeout Hostname TypeConfig-module Configuration module settings Description of the menu options R103 R104 Description of the menu options Firmware Display and keyboard settingsFirmware Position Status Version Date Size Index Description of the menu options R105Module Version This option allows you to reboot the device OtherR106 Description of the menu options Other menu allows you to manage the following functions