Manuale UtenteSommarioChapter 1: Introduction15Documentation Overview15Related Documentation17Contact Information18Text Conventions19Chapter 2: AI2524 Overview23Introduction23T1 CSU/DSU23Four Wires 56K CSU/DSU235-IN-1 Serial Cable Interface23Software Features and Functions24Scalability24Reliable, Adaptive Routing24Remote Access and Protocol Translation24Management and Security27Software Specifications27Supported Media27Supported Network Protocols27Connections29External Connection Requirements29Chapter 3: Configuration Overview31Introduction31Boot Router for First Time31Configure the Router32Using Configuration Mode32Show Configuration33Save the Configuration34Configuration Overviews34Use Configuration Builder34Use the Command Interpreter34Use the Web Browser Interface36Configuration Storage and Hot Swap36Always Modify the Configuration Using Menu 4.1836Store the Configuration on the AI198 Card36Chapter 4: Understanding the User Interface37Introduction37Command Line Interface37End a Session38User Interface Task List38Command Modes39User EXEC Mode Commands42Privileged EXEC Mode Commands43ROM Monitor Mode Commands44Global Configuration Mode Commands46Interface Configuration Mode Commands48Subinterface Configuration Mode Commands50Router Configuration Mode51IPX-Router Configuration Mode52Route-Map Configuration Mode53Key Chain Configuration Mode53Response Time Reporter Configuration Mode53Access-List Configuration Mode53Context-Sensitive Help54Get Word Help55Get Command Syntax Help55Get Help for Abbreviated Commands55Examples55Check Command Syntax57Command History Features59Editing Features60Edit Command Lines that Wrap62Web Browser Interface63Web Browser Interface Task List63Enable the Web Browser Interface63Use Compatible Hardware and Software63Access Your Router's Home Page64Issue Commands Using the Web Browser Interface65Enter Commands Using Hypertext Links65Enter Commands Using the Command Field66Enter Commands Using the URL Window66Chapter 5: Using AutoInstall67Introduction67Preparing for AutoInstall67AutoInstall Requirements68Use a DOS-Based TFTP Server70How AutoInstall Works71Acquire the New Router's IP Address71Resolve the IP Address to the Host Name73Download the New Router's Host Configuration File75Perform the AutoInstall Procedure77Modify the Existing Router's Configuration77Set Up the TFTP Server80Set Up the BOOTP or RARP Server82Connect the New Router to the Network83Use Setup for Configuration Changes85Setup Command Facility Task List85Use Setup after First-Time Startup85Use the Streamlined Setup Facility93Chapter 6: Using the System Configuration Dialog95Introduction95System Configuration Dialog95Chapter 7: Manually Loading System Images101Introduction101Image and Configuration File Load Task List102Retrieve System Images and Configuration Files103Retrieve System Images and Configuration File Task List103Copy System Images from a Network Server to Flash Memory103Copy Configuration Files from a Network Server to the Router107Change the Buffer Size for Loading Configuration Files108Verify the Image in Flash Memory109Display System Image and Configuration Information109Reexecute the Configuration Commands in Startup Configuration111Clear the Configuration Information111Perform General Startup Tasks112General Startup Task List112Enter Configuration Mode and Select a Configuration Source112Modify the Configuration Register Boot Field115Specify the Startup Configuration File118Store System Images and Configuration Files121Store System Images and Configuration Files Task List121Copy System Images from Flash Memory to a Network Server121Copy Configuration Files from the Router to a Network Server123Perform Startup Tasks124Startup Task List124Partition Flash Memory Using Dual Flash Bank124Use Flash Load Helper to Upgrade Software on Run-from- Flash Systems129Manually Load a System Image from ROM Monitor135Manually Boot from Flash135Manually Boot from a Network File136Manually Boot from ROM137Use the System Image Instead of Reloading137Chapter 8: AI2524 Protocol Configuration Steps139Introduction139Enable OSPF140Configure OSPF Interface Parameters140Configure OSPF over Different Physical Networks141Configure OSPF Area Parameters142Configure OSPF Not So Stubby Area (NSSA)143Configure Route Summarization between OSPF Areas144Configure Route Summarization When Redistributing Routes into OSPF144Create Virtual Links145Generate a Default Route145Configure Lookup of DNS Names145Force the Router ID Choice with a Loopback Interface146Disable Default OSPF Metric Calculation Based on Bandwidth146Configure OSPF on Simplex Ethernet Interfaces146Configure Route Calculation Timers147Configure OSPF over On-Demand Circuits147Network Illustration148AI2524 IGRP TCP/IP Configuration Steps149IGRP Updates149IGRP Configuration Task List149Create the IGRP Routing Process150Allow Point-to-Point Updates for IGRP150Define Unequal-Cost Load Balancing150Control Traffic Distribution151Adjust the IGRP Metric Weights151Disable Holddown152Enforce a Maximum Network Diameter152Validate Source IP Addresses153Network Illustration153AI2524 RIP TCP/ IP Configuration154RIP Configuration Task List154Enable RIP154Allow Point-to-Point Updates for RIP154Specify a RIP Version155Enable RIP Authentication156Disable Route Summarization156Run IGRP and RIP Concurrently157Disable the Validation of Source IP Addresses157Chapter 9: AI2524 OSI/CLNP Configuration Steps159Introduction159ISO CLNS Configuration Task List159Understand Addresses160ISO IGRP NSAP Address161ISIS NSAP Address162Addressing Rules163Addressing Examples164Routing Table Example164Understand Routing Processes166Dynamic Routing166Intermediate Systems (IS) and End Systems (ES)166Static Routing167Routing Decisions167Configure ISO IGRP Dynamic Routing168Enable ISO IGRP168Example: Dynamic Routing within the Same Area169Example: Dynamic Routing in More Than One Area170Example: Dynamic Routing in Overlapping Areas171Example: Dynamic InterdomainRouting173Configure ISO IGRP Parameters175Configure ISIS Dynamic Routing177Enable ISIS177Examples: ISIS Routing Configuration178Assign Multiple Area Addresses to ISIS Areas181Examples: NETs Configuration182Example: Router in Two Areas183Configure ISIS Parameters185Configure ISIS Interface Parameters188Configure CLNS Static Routing191Enable Static Routes191Examples: Basic Static Routing192Example: Static IntradomainRouting194Example: Static InterdomainRouting196Configure Variations of the Static Route199Map NSAP Addresses to Media Addresses199Configure Miscellaneous Features201Specify Shortcut NSAP Addresses201Use the IP DomainName System to Discover ISO CLNS Addresses202Create Packet-Forwarding Filters and Establish Adjacencies202Examples: CLNS Filter203Redistribute Routing Information203Examples: Route Map206Specify Preferred Routes207Configure ESIS Hello Packet Parameters207Configure CLNS over WANs209Example: ISO CLNS over X.25209Enhance ISO CLNS Performance211Specify the MTU Size212Disable Checksums212Disable Fast Switching Through the Cache212Set the Congestion Threshold213Transmit Error Protocol Data Units (ERPDUs)213Control Redirect Protocol Data Units (RDPDUs)213Configure Parameters for Locally Sourced Packets214Example: Performance Parameters214Monitor and Maintain the ISO CLNS Network215Configure TARP on ISO CLNS217TARP Configuration Task List218Enable TARP and Configure a TARP TID218Disable TARP Caching219Disable TARP PDU Origination and Propagation219Configure Multiple NSAP Addresses219Configure Static TARP Adjacency and Blacklist Adjacency219Determine TIDs and NSAPs220Configure TARP Timers221Configure Miscellaneous TARP PDU Information222Monitor and Maintain the TARP Protocol222Examples: TARP Configuration223Chapter 10: Serial Interface Configuration Steps225Introduction225Configure the Synchronous Serial Interfaces225Chapter 11: AI2524 Sync PPP Configuration Steps227Introduction227Configuration Overview227PPP Configuration Task List228Enable PPP Encapsulation229Enable CHAP or PAP Authentication229Example: CHAP with an Encrypted Password231Enable Link Quality Monitoring (LQM)232Configure Automatic Detection of Encapsulation Type233Configure Compression of PPP Data233Configure IP Address Pooling234Peer Address Allocation234Precedence Rules235Interfaces Affected236Choose the IP Address Assignment Method236Define the Global Default Mechanism236Configure PPP Callback239Configure a Router as a Callback Client240Example: PPP Callback Client240Configure a Router as a Callback Server241Example: PPP Callback Server242Disable or Reenable Peer Neighbor Routes243Configure PPP Half-Bridging243Configure Multilink PPP245Configure Multilink PPP on Asynchronous Interfaces245Configure Multilink PPP on a Single ISDN BRI Interface246Example: Multilink PPP on One ISDN Interface248Configure Multilink PPP on Multiple ISDN BRI Interfaces248Example: Multilink PPP on Multiple ISDN Interfaces251Configure Virtual Private Dial-up Networks252Understand Virtual Private Dial-up Networks252Configure Incoming VPDN Connections on the Home Gateway255Configure Outgoing VPDN Connections on the Network Access Server255Example: Network Access Server Servicing Multiple Domains255Example: NAS Servicing Multiple Domains to the Same Gateway256Example: Using TACACS+ for Forwarding from the NAS257Enable PPP on VTY Lines for Asynchronous Access over ISDN258Monitor and Maintain MLP, MMP, and VPDN Virtual Interfaces258Chapter 12: AI2524 X.25 Configuration Steps259Introduction259X.25 Configuration259X.25 Configuration Task List259Configure Interface260Set the X.25 Mode260Set the Virtual Circuit Ranges261Example: Virtual Circuit Ranges262Set the Packet Numbering Modulo263Set the X.121 Address263Set the Default Flow Control Values264Example: Typical X.25 Configuration265Configure Additional X.25 Interface Parameters267Configure the X.25 Level 3 Timers267Configure X.25 Addresses268Establish a Default Virtual Circuit Protocol270Disable Packet-Level Protocol (PLP) Restarts271Configure an X.25 Datagram Transport271Configure Subinterfaces272Example: Point-to-Point Subinterface Configuration274Map Protocol Addresses to X.121 Addresses274Map Datagram Addresses to X.25 Hosts276Establish an Encapsulation PVC278Example: PVC Used to Exchange IP Traffic279Set X.25 TCP/IP Header Compression280Configure X.25 Bridging280Configure Additional X.25 Datagram Transport Features281Configure X.25 Payload Compression281Configure the Encapsulation Virtual Circuit Idle Time282Increase the Number of Virtual Circuits Allowed283Configure the Ignore Destination Time283Establish the Packet Acknowledgment Policy283Configure X.25 User Facilities284Define the Virtual Circuit Packet Hold Queue Size286Restrict Map Usage286Configure X.25 Routing287Enable X.25 Routing288Example: X.25 Route Address Pattern Matching288Configure a Local X.25 Route289Example: X.25 Routing290Configure XOT (Remote) X.25 Route291Configure a Locally Switched PVC292Example: PVC Switching on the Same Router292Example: Simple Remote PVC Tunneling293Configure an XOT (Remote) PVC293Example: Remote PVC Tunneling294Configure Additional X.25 Routing Features296Configure XOT to Use Interface Default Flow Control Values296Substitute Addresses in a Local X.25 Route297Configure XOT Alternate Destinations297Configure CMNS Routing298Enable CMNS on an Interface298Specify a CMNS Static Map of Addresses299Example: CMNS Configured for X.121 and MAC Addresses299Example: CMNS Switched over a PDN300Example: CMNS Switched over Leased Lines301Create X.29 Access Lists303Create an Access List304Example: X.29 Access List304Apply an Access List to a Line305Create an X.29 Profile Script305Example: X.29 Profile Script305Configure LAPB306Configure a LAPB Datagram Transport306Example: Typical LAPB Configuration307Modify LAPB Protocol Parameters307Configure LAPB Priority and Custom Queuing310Configure Transparent Bridging over Multiprotocol LAPB311Monitor and Maintain LAPB and X.25311Example: Transparent Bridging for Multiprotocol LAPB Encapsulation312Example: X.25 Configured to Allow Ping Support over Multiple Lines312Example: Booting from a Network Server over X.25314Chapter 13: AI2524 Frame Relay Configuration Steps317Introduction317Frame Relay Hardware Configuration317Frame Relay Configuration Task List318Enable Frame Relay Encapsulation on an Interface318Examples: IETF Encapsulation319Configure Dynamic or Static Address Mapping319Configure Dynamic Mapping319Configure Static Mapping319Examples: Static Address Mapping320Configure the LMI321Allow LMI Autosense to Operate321The LMI Autosense Process321Configuring LMI Autosense322Explicitly Configure the LMI322Configure Frame Relay Switched Virtual Circuits324Configure SVCs on a Physical Interface324Example: SVCs on an Interface325Configure SVCs on a Subinterface (optional)325Example: SVCs on a Subinterface326Configure a Map Class327Configure a Map Group with E.164 or X.121 Addresses328Associate the Map Class with Static Protocol Address Maps328Configure LAPF Parameters328Configure Frame Relay Traffic Shaping329Enable Frame Relay Traffic Shaping on the Interface330Specify a Traffic-Shaping Map Class for the Interface330Define a Map Class with Queuing and Traffic Shaping Parameters331Define Access Lists331Define Priority Queue Lists for the Map Class331Define Custom Queue Lists for the Map Class332Example: Frame Relay Traffic Shaping332Customize Frame Relay for Your Network334Configure Frame Relay Subinterfaces334Examples: Basic Subinterface337Example: Frame Relay Multipoint Subinterface with Dynamic Addressing338Example: IPX Routes over Frame Relay Subinterfaces340Example: Unnumbered IP over a Point-to-Point Subinterface341Example: Transparent Bridging Using Subinterfaces343Configure Frame Relay Switching344Example: PVC Switching Configuration346Example: Pure Frame Relay DCE347Example: Hybrid DTE/DCE PVC Switching350Example: Switching over an IP Tunnel352Disable or Reenable Frame Relay Inverse ARP354Create a Broadcast Queue for an Interface354Configure Payload Compression355Configure TCP/IP Header Compression355Example: IP Map with Inherited TCP/IP Header Compression358Example: Using an IP Map to Override TCP/IP Header Compression358Example: Disabling Inherited TCP/IP Header Compression359Example: Disabling Explicit TCP/IP Header Compression360Configure Discard Eligibility361Configure DLCI Priority Levels361Monitor the Frame Relay Connections363Example: Configuration Providing Backward Compatibility363Example: Booting from a Network Server over Frame Relay364Chapter 14: T1 Interface Configuration Steps367Introduction367Configure Fractional T1367Configuration Overview367Specify the Clock Source367Enable Data Inversion Before Transmission367Specify the Frame Type of a FT/T1 Line368Specify the CSU Line Build Out368Specify FT1/T1 Line-Code Type369Enable Remote Alarms369Enable Loopcodes that Initiate Remote Loopbacks370Specify Timeslots371Chapter 15: 56/64-kbps Switched and Digital Data Services (DDS) Interface Configuration Steps373Introduction373Set the Clock Source373Set the Network Line Speed374Enable Scrambled Data Coding375Change between DDS and Switched Dial-Up Modes375Enable Acceptance of a Remote Loopback Request376Select a Service Provider376Chapter 16: Basic Configuration377Connecting to the Network377Connecting to an Ethernet Network377Connecting to a WAN377Configuring377Booting the Router for the First Time378Configuring the Router378Using Configuration Mode379Using AutoInstall380Using the System Configuration Dialog381Configuring the Ethernet or Token Ring Interfaces386Configuring the Synchronous Serial Interfaces387Configuring ISDN388Configuring Switched 56390Configuring DDS392Configuring the Fractional T1/T1 DSU/CSU WAN Module393Specifying the Boot Method394Checking the Configuration Settings396Chapter 17: Command References397Introduction397Chapter 18: System Error Messages399Introduction399Chapter 19: Debug Command Reference401Introduction401Appendix A: Release Notes403New Features407ISDN/BRI Inferface408Configuring ISDN409Appendix B: Acronyms411Dimensioni: 2,69 MBPagine: 418Language: EnglishApri il manuale