BetriebsanweisungInhaltsverzeichnisAbout This Guide15Introduction15How to Use This Guide16Conventions16Document Notation17Safety Information18Additional Safety Information19Year 2000 Compliance19Overview21Introduction21What Is the OfficeConnect Remote 840?22What is an SDSL Modem?23What is ATM?23What is Frame Relay?23What is a BRouter?24Routing vs. Bridging24MAC-Encapsulated Routing24What is a Remote Site?25What is RFC 148326Benefits of Using RFC 148327What is RFC 1490?27What is PPP?27Benefits of Using PPP27What is DHCP?27What is DNS?28What is Address Translation?28What is DHCP Smart Mode?28What Is Default Bridge Mode?29What is Unconfigured Mode?29Getting Started Quickly29OfficeConnect Remote 840 Panel Features30Front Panel30Back Panel31Configuration Overview33General Configuration Steps33How to Manage the OfficeConnect Remote 84034Starting the OfficeConnect Remote 840 Manager35OfficeConnect Remote 840 Manager Menus35Using the OfficeConnect Remote 840 Manager36Document Notation36Online Help37Where to Find More Configuration Information37System Administration39Performing System Administration Tasks39Controlling Login and Telnet Access39Adding a Login40Deleting a Login40Modifying the Date and Time41Restoring Factory Defaults41Using the OfficeConnect Remote 840 Manager to Restore Defaults42Using the Reset Button42Updating OfficeConnect Remote 840 Software42Controlling SNMP Access42Controlling TFTP Access44Assigning SNMP Trap Managers45Assigning Syslog Managers46Remote Site Management47Introduction47Remote Site Overview47Managing a Remote Site Profile48Adding a Remote Site Profile48Modifying a Remote Site Profile49Deleting a Remote Site Profile49Configuring Network Service Information (PPP / RFC 1483 / RFC 1490)50Frame Relay51Configuring ATM Information52ATM Modify Screen52Configuring Protocol Parameters54Monitoring Remote Site Connections54Configuring IP Routing55Introduction55Overview55Enabling IP Routing56Configuring IP for the LAN56Adding a Local IP Network57Resetting Parameters58Modifying or Deleting an IP Network58Configuring IP RIP on the LAN59Local Site (LAN) RIP59Advanced RIP Modification Options59Resetting Parameters60Configuring IP for the Remote Site Connection61Configuring IP Parameters for the Remote Site61Configure the Remote Site IP Network Information62Configuring IP RIP on a Remote Site64Configuring IP Static and Framed Routes65Adding a Static IP Route to the LAN65Adding a Framed IP Route to a Remote Site65Using IP Address Validation66MAC-Encapsulated Routing67Monitoring68IP Testing (PING)68Option 1: OfficeConnect Remote 840 Manager Ping to ISP or Remote Site Network68Ping Responses69DNS Errors69Option 2: DOS Ping to ISP or Remote Site Network70Option 3: Internet Browser (Internet Access Only)71Advanced Troubleshooting71Configuring Bridging73Introduction73Overview73Configuring Bridging for the LAN75Adding a Bridge Network75Modifying or Deleting a Bridge Network76Configuring Bridging for the Remote Site Connections76Enabling Bridging77Bridging IP Traffic77MAC-Encapsulated Routing78Bridge Firewall79Advanced Bridging Options81Default Bridge Mode82Default Bridge Mode Overview82Installing the OfficeConnect Remote 840 Using Default Bridge Mode83Monitoring Bridging83Viewing Bridge Network Status83Viewing Bridge Forwarding Table83Viewing Bridge Counters83Testing Bridging83Network Address Translation Using the OfficeConnect Remote 84085Introduction85Selecting Address Translation85Configuring the PAT Default Address86Configuring Static PAT Port Entries87Configuring NAT88Monitoring89Configuring DHCP91Introduction91DHCP Overview91Configuring the DHCP Mode92Configuring the DHCP Server93Configuring the DHCP Relay94Monitoring DHCP94DHCP Smart Mode Overview94Configuring DNS97Introduction97DNS Overview97Configuring DNS98Configuring Remote DNS Servers98Configuring Static DNS Host Entries100Configuring IPX Routing101Introduction101Overview101Configuring IPX for the LAN102Adding a Local IPX Network102Modifying or Deleting an IPX Network103Configuring IPX for Remote Sites Connection103Configure the Remote Site IPX Network Information104Configuring IPX Static and Framed Routes105Adding a Static IPX Route to the Local Site (LAN)105Adding a Framed IPX Route to a Remote Site (WAN)106Configuring IPX Static and Framed Services107Adding a Static IPX Service to a Local Site (LAN)108Adding a Framed IPX Service to a Remote Site (WAN)109Configuring IPX RIP and SAP110Local Site (LAN) RIP and SAP110Remote Site (WAN) RIP and SAP111IPX Routing Configuration to Support MAC-Encapsulated Routing112Monitoring IPX112IPX Testing112Upgrading Operational Software for the OfficeConnect Remote 840115Introduction115Obtaining Updated OfficeConnect Remote 840 Software115OfficeConnect Remote 840 CD116Installing Operational Software to the OfficeConnect Remote 840 Unit116Installing Software via OfficeConnect Remote 840 Manager116Installing Software via DOS117Monitoring the OfficeConnect Remote 840119Introduction119Overview119Throughput Performance119Ethernet Interface121Interface Status121Ethernet Counters122Interface Status123ATM Status123ATM Cell Status123SDSL Transceiver Status124Remote Site Connection125Connection Traffic/Error Counters125ATM Site Counters125Frame Relay VC Site Counters126Remote Site Status Table126IP126IP Networks126ARP Table127IP, TCP, UDP, ICMP Counters and Tables128DHCP128DHCP Lease Table128DHCP Counters129Address Translation129Table of Mapped Addresses129Table of Port Assignments130IPX131IPX Networks131IPX Routes131IPX Services132Bridge132Bridge Networks132Forwarding Table133Bridge Counters133Events Logs133Connection Event Log134Critical Events Log134Configuring Filters135Introduction135Filtering Overview135Filtering Capabilities136Filter Classes136Filter Types136Data Filters136Advertisement Filters137Generic Filters137Creating Filters Overview138Creating Filters Using the OfficeConnect Remote 840 Manager138OfficeConnect Remote 840 Manager Filter Screens140Filter Screens141Step-by-Step Guide to Creating Filters Using the OfficeConnect Remote 840 Manager146Modifying an Existing Filter Using the OfficeConnect Remote 840 Manager147Turning a Filter Off Using the OfficeConnect Remote 840 Manager147Troubleshooting149Introduction149Troubleshooting Tools149Troubleshooting Tables150How to Use these Tables150LAN Connection Problems151IP Wizard and Web Browser Problems151WAN Connection Problems154General Network Connection Problems155IP Network Connection Problems157IPX Network Connection Problems160Bridge Connection Problems161Bridging and Routing163Introduction163Bridging and Routing Concepts163Guidelines for Choosing Bridging or Routing164How Bridges Learn164Bridging Between Remote Sites165Building a Larger Network166Multiple Paths Between Bridge LANs167Network Topology168Broadcast Storms168Optimum Use of Resource168Network Organization, Structure, and Physical Layout168The Internet169Routing IP169Open Systems Interconnection Network Layer Model170IP Routing171IP Addressing173Introduction to IP Addressing173IP Addressing Basics173Address Classes173Subnetting173Reserved Addresses174Supernetting (Advanced TCP/IP)175Supernetting and the OfficeConnect Remote 840176IP Subnet Mask Address177IP Planning177Assigning IP Addresses and Subnetting177Single IP Address178Range of IP Addresses178IP Numbered and Unnumbered Links179Address Translation Tutorial183Overview183Network Address Translation (NAT)184NAT Example184Dynamic NAT185Static NAT186Port Address Translation (PAT)186PAT Example186Dynamic PAT187Static PAT187Default PAT188Using the CLI Guide189Overview189Accessing the CLI from the OfficeConnect Remote 840 Manager189Configuration (Non-Setup Wizard) of the OfficeConnect Remote 840191Instructions for Internet Access191Step 1: Configuring Remote Site General Information191Step 2: Configuring the Remote Site ATM Parameters (ATM Only)194Step 3: Configuring the Remote Site IP Network Information194Instructions for Telecommuting / Remote Office Access197Step 1: Configuring Remote Site General Information197Step 2: Configuring the Remote Site ATM Parameters199Step 3: Configuring the Remote Site IP Network Information200Step 4: Configuring the Remote Site IPX Network Information202Step 5: Configuring a Local IPX Network203Step 6: Configuring a Local Bridge Network203Using the Configuration Audit203Saving the Configuration204Testing the Configuration204TECHNICAL SUPPORT205Online Technical Services205World Wide Web Site205Support from Your Network Supplier205Support from 3Com206Returning Products forRepair2063Com Corporation Limited Warranty219FCC Class B Statement221FCC Declaration of Conformity221Größe: 5,25 MBSeiten: 222Language: EnglishHandbuch öffnen
