사용자 설명서차례Preface3About This Guide3How This Guide is Organized3References4Typographic Conventions4Table of Contents5Introduction9Chapter 1. Advanced Topics11Interoperability11Routing11Bridging12Bridging and Routing Operation12Bridging and Routing Configuration Settings13Point-To-Point Protocol (PPP)14PAP/CHAP Security Authentication14General Security Authentication15Security Configuration Settings16Authentication Process16Protocol Conformance17Protocol Standards17IP Routing17IPX Routing17Encapsulation Options17PPP18PPPLLC18RFC 1483 or RFC 149018Bridging18Routing18MAC Encapsulated Routing: RFC 1483MER (ATM) or RFC 1490MER (Frame Relay)19FRF819rawIP19System Files20Bridge Filtering20Unique System Passwords22Chapter 2. Planning for Router Configuration23Important Terminology23Essential Configuration Information24PPP Link Protocol with:24RFC 1483 or RFC 1490 Link Protocol with:24MAC Encapsulated Routing: RFC 1483MER or RFC 1490MER Link Protocol with:24FRF8 Link Protocol with:24PPP Link Protocol (over ATM or Frame Relay)25IP Routing Network Protocol25IPX Routing Network Protocol27Bridging Network Protocol29RFC 1483/RFC 1490 Link Protocols30IP Routing Network Protocol30IPX Routing Network Protocol32Bridging Network Protocol34MAC Encapsulated Routing: RFC 1483MER/RFC 1490MER Link Protocols35IP Routing Network Protocol35FRF8 Link Protocol37IP Routing Network Protocol37Dual-Ethernet Router Configuration39General Information on Dual Ethernet router39Configuring the Dual-Ethernet Router as a Bridge39Configuring the Dual-Ethernet Router for IP Routing39Chapter 3. Configuring Router Software40Configuration Tables41Configuring PPP with IP Routing42Configuring PPP with IPX Routing43Configuring PPP with Bridging44Configuring RFC 1483 / RFC 1490 with IP Routing45Configuring RFC 1483 / RFC 1490 with IPX Routing46Configuring RFC 1483 / RFC 1490 with Bridging47Configuring MAC Encapsulated Routing: RFC 1483MER / RFC 1490MER with IP Routing48Configuring FRF8 with IP Routing49Configuring Mixed Network Protocols50Configuring a Dual-Ethernet Router for IP Routing51Verify the Router Configuration52Test IP Routing52Test IP Routing over the Local Ethernet LAN (from PC)52Test IP Routing to a Remote Destination52Test Routing from a Remote Destination52Test TCP/IP Routes52Test Bridging to a Remote Destination52Test IPX Routing53Sample Configurations54Sample Configuration 1: PPP with IP and IPX54Scenario:54Sample Configuration 1: Diagram for Target Router (SOHO)55Sample Configuration 1: Tables for Target Router (SOHO)56Sample Configuration 1: Check the Configuration with the LIST Commands59Information About Names and Passwords for Sample Configuration 161Sample Configuration 2: RFC 1483 with IP and Bridging62Scenario:62Sample Configuration 2: Diagram for Target Router SOHO63Sample Configuration 2 : Tables for Target Router (SOHO)64Sample Configuration 2: Check the Configuration with the LIST Commands66Sample Configuration 3: Configuring a Dual-Ethernet Router for IP Routing68Scenario:68Chapter 4. Configuring Special Features69Bridge Filtering and IP Firewall69General Information69Configure Bridge Filtering69Enable/Disable Internet Firewall Filtering70IP (RIP) Protocol Controls71Dynamic Host Configuration Protocol (DHCP)72General Information72Manipulating Subnetworks and Explicit Client Leases73Enabling/Disabling a subnetwork or a Client Lease73Adding Subnetworks and Client Leases73Setting the Lease Time74Manually Changing Client Leases75Setting Option Values75Concepts76Commands for Global Option Values76Commands for Specific Option Values for a Subnetwork76Commands for Specific Option Values for a Client Lease77Commands for Listing and Checking Option Values77BootP77About BootP and DHCP77Enable/Disable BootP78Use BootP to Specify the Boot Server78Defining Option Types79Concepts79Commands79Configuring BootP/DHCP Relays80Other Information80Network Address Translation (NAT)80General NAT Rules80Masquerading81Client Configuration81Server Configuration82Classic NAT84Client Configuration85Host Remapping85Management Security87Disable Telnet and SNMP87Restore Telnet and SNMP87Validation of Telnet and SNMP Clients87Restrict Remote Access88Changing the SNMP Community Name88Disable WAN Management88System Log89system syslogport default|disabled|<port>89system addSyslogFilter <first ip address>[<last ip addr>]89system addSyslogFilter LAN89Software Option Keys89Encryption89PPP DES (RFC 1969) Encryption90Configuration Notes90Sample Configuration90Diffie-Hellman Encryption92Configuration Notes92Sample Configuration92File Format for the Diffie-Hellman Number File92IP Filtering93Filters and Interfaces93Input Phase94Forward Phase94Output Phase94Configuring Filters with Network Address Translation Enabled94General NAT Information94Filter Actions95Accept95Drop95Reject95IP Filter Commands95Special Notes95L2TP Tunneling — Virtual Dial-Up96Introduction96L2TP Concepts96LNS, L2TP Client, LAC, and Dial User97L2TP Client Example97LNS and L2TP Client Relationship98Tunnels98Sessions99Configuration99Preliminary Steps to Configure a Tunnel99Verification Steps99Configuration Commands100PPP Session Configuration101Sample Configurations101Simple L2TP Client Configuration Example101Complete LNS and L2TP Client Configuration Example104Configuration Process105Chapter 5. Command Line Interface Reference109Command Line Interface Conventions109Command Input109Command Output109Command Organization109? or HELP110System-Level Commands111Frame statistics - for Frame Relay routers only. Displays various FR statisics.113Router Configuration Commands120Target Router System Configuration Commands (SYSTEM)121Target Router Ethernet LAN Bridging and Routing (ETH)134Remote Router Access Configuration (REMOTE)143Asymmetric Digital Subscriber Line Commands (ADSL)166Asynchronous Transfer Mode Commands (ATM)168DMT Command171Dual-Ethernet Router Commands (ETH)172General information172High-Speed Digital Subscriber Line Commands (HDSL)176General Information about HDSL176ISDN Digital Subscriber Line (IDSL)179General Information about IDSL179Symmetric Digital Subscriber Line Commands (SDSL)181General information about SDSL181Dynamic Host Configuration Protocol Commands (DHCP)185L2TP — Virtual Dial-Up Configuration (L2TP)196Bridge Filtering Commands (FILTER BR)204Save Configuration Commands (SAVE)206Erase Configuration Commands (ERASE)208File System Commands210Chapter 6. Managing the Router215Simple Network Management Protocol (SNMP)215Telnet Remote Access216Client TFTP Facility216TFTP Server216BootP Server217Boot Code217Manual Boot Menu217Access Manual Boot Mode217Option 1: Retry Start-Up218Option 2: Boot from FLASH Memory218Option 3: Boot from Network218Option 4: Boot from Specific File218Option 5: Configure Boot System219Option 6: Set Time and Date219Option 7: Set Console Baud Rate220Option 8: Start Extended Diagnostics220Identifying Fatal Boot Failures221Software Kernel Upgrades221Booting and Upgrading from the LAN221Upgrade Instructions222Upgrading from the WAN Line223Backup and Restore Configuration Files224Backup Configuration Files (Recommended Procedure)224Restore Configuration Files224FLASH Memory Recovery Procedures225Recovering Kernels for Routers with Configuration Switches225Recovering Kernels for Routers with a Reset Button226Recovery Steps Using BootP227Recovering Passwords and IP Addresses227Routers with Configuration Switches227Routers with a Reset Button228Batch File Command Execution228Chapter 7. Troubleshooting231Diagnostic Tools231Using LEDs231History Log232Accessing History Log through Telnet232Accessing History Log through Configuration Manager233Other Logging Commands233Ping Command233Instructions for Windows 95233Interpretation and Troubleshooting234Investigating Hardware Installation Problems234Check the LEDs to Solve Common Hardware Problems234Problems with the Terminal Window Display234Problems with the Factory Configuration234Investigating Software Configuration Problems235Problems Connecting to the Router235Problems with the Login Password235Problems Accessing the Remote Network236Bridging236TCP/IP Routing236IPX Routing237Incorrect VPI/VCI (ATM Routers)238Problems Accessing the Router via Telnet238Problems Downloading Software238System Messages238Time-Stamped Messages239History Log241How to Obtain Technical Support241Appendix A. Network Information Worksheets243Configuring PPP with IP Routing244Configuring PPP with IPX Routing245Configuring PPP with Bridging246Configuring RFC 1483 / RFC 1490 with IP Routing247Configuring RFC 1483 / RFC 1490 with IPX Routing248Configuring RFC 1483 / RFC 1490 with Bridging249Configuring RFC 1483MER / RFC 1490MER with IP Routing250Configuring FRF8 with IP Routing251Configuring a Dual-Ethernet Router for IP Routing252Appendix B. Configuring IPX Routing253IPX Routing Concepts253Configure IPX Routing253Step 1: Collect Your Network Information for the Target (Local) Router254Step 2: Review your Settings255Appendix C. Access the Command Line Interface257Connect the PC to the Console Port of the Router257Access the Command Line Interface257Terminal Window under Configuration Manager257Terminal Session under Windows (HyperTerminal)258Terminal Session for a Non-Windows Platform (Macintosh or UNIX)258Telnet Session258Index259크기: 2.04메가바이트페이지: 263Language: English매뉴얼 열기