Cisco 7246VXR - uBR Router Manuale utente

Americas Headquarters

Cisco Systems, Inc.

170 West Tasman Drive

San Jose, CA 95134-1706

USA

http://www.cisco.com

Tel: 408 526-4000

800 553-NETS (6387)

Fax: 408 527-0883

Cisco uBR7200 Series Universal

Broadband Router Software

Configuration Guide

Cisco IOS® Software 12.3 BC, 12.2 BC, 12.2CX, 12.1 EC

May 2009

Text Part Number: OL-2239-05

CCDE, CCSI, CCENT, Cisco Eos, Cisco HealthPresence, the Cisco logo, Cisco Lumin, Cisco Nexus, Cisco Nurse Connect, Cisco Stackpower, Cisco StadiumVision,

Cisco TelePresence, Cisco WebEx, DCE, and Welcome to the Human Network are trademarks; Changing the Way We Work, Live, Play, and Learn and Cisco Store are

service marks; and Access Registrar, Aironet, AsyncOS, Bringing the Meeting To You, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, CCSP, CCVP, Cisco, the

Cisco Certified Internetwork Expert logo, Cisco IOS, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Cisco Unity, Collaboration Without

Limitation, EtherFast, EtherSwitch, Event Center, Fast Step, Follow Me Browsing, FormShare, GigaDrive, HomeLink, Internet Quotient, IOS, iPhone, iQuick Study,

IronPort, the IronPort logo, LightStream, Linksys, MediaTone, MeetingPlace, MeetingPlace Chime Sound, MGX, Networkers, Networking Academy, Network Registrar,

PCNow, PIX, PowerPanels, ProConnect, ScriptShare, SenderBase, SMARTnet, Spectrum Expert, StackWise, The Fastest Way to Increase Your Internet Quotient, TransPath,

WebEx, and the WebEx logo are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries.

All other trademarks mentioned in this document or website are the property of their respective owners. The use of the word partner does not imply a partnership relationship

between Cisco and any other company. (0903R)

Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide

OL-2239-04

CONTENTS

Preface 11

Document Revision History 1-11

Document Objectives 1-11

Audience 1-12

Document Organization 1-12

Conventions 1-13

Terms and Acronyms 1-14

Related Documentation 1-17

Cisco uBR7200 Series Documentation 1-17

Cisco Cable Modem Termination System Reference Documentation 1-18

Related Cisco IOS Release Documentation 1-18

CHAPTER

1Overview of Cisco uBR7200 Series Software 1-1

Cisco IOS Releases and Images for the Cisco uBR7200 Series 1-2

Determining Your Cisco IOS Software Release 1-2

Upgrading to a New Software Release 1-2

12.3 BC Release Train Images and Requirements 1-3

12.2 BC Release Train Images and Requirements 1-4

12.2 CX Images and Requirements 1-5

12.1 EC Images and Requirements 1-7

Cisco uBR7200 Series Chassis Overview 1-8

Cisco uBR7200 Series Universal Broadband Routers 1-9

Supported Hardware on the Cisco uBR7200 Series 1-11

System Interoperability 1-14

Cisco uBR7200 Series Router Configuration Overview 1-15

Port Adapter and Line Card Slot and Logical Interface Numbering 1-15

MAC-Layer Addressing 1-17

Cable Interface Line Cards 1-17

Cable Interface Line Card Slots 1-19

Interfaces and Physical Ports 1-20

Port Adapter Slots 1-20

Supported Software Features for the Cisco uBR7200 Series 1-22

Cisco uBR7200 Series Router Features and Cisco IOS Releases 1-22

Cisco uBR7200 Series Router Configuration Tools 1-31

Contents

Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide

OL-2239-04

Bandwidth Management Features 1-33

Cisco IOS Command-Line Enhancements 1-33

Cisco Quality of Service Features 1-45

DHCP Servers and Feature Support 1-47

DOCSIS 1.0 Feature Support 1-49

DOCSIS 1.0+ Feature Support 1-56

DOCSIS 1.1 Feature Support 1-57

DOCSIS 2.0 Feature Support 1-67

High Availability Features 1-68

Intercept Features 1-72

IP Broadcast and Multicast Features 1-79

IP Routing Features 1-80

Management Features 1-86

Multicast Features 1-96

PacketCable and Voice Support Features 1-101

Security Features 1-102

SNMP Features and Enhancements 1-109

Spectrum Management and Advanced Spectrum Management Features 1-119

Testing, Troubleshooting and Diagnostic Features 1-123

Virtual Interfaces 1-125

VLAN Features 1-126

VPN and Layer 2 Tunneling Features 1-126

WAN Optimization and Services Features 1-131

DOCSIS and CMTS Interoperability 1-137

DOCSIS NTSC Cable Plants 1-137

EuroDOCSIS Cable Plants 1-138

DOCSIS-Compliant Downstream Signals 1-139

DOCSIS-Compliant Upstream Signals 1-140

Traffic Engineering 1-142

CHAPTER

2Configuring the Cable Modem Termination System for the First Time 2-1

Configuration Fundamentals for the Cisco uBR7200 Series 2-2

Preconfiguring the Cisco uBR7200 Series 2-2

Booting and Logging onto the Cisco uBR7200 Series 2-5

Setting Password Protection on the Cisco uBR7200 Series 2-5

Recovering Passwords on the Cisco uBR7200 Series 2-6

Configuring the Cisco uBR7200 Series Using AutoInstall 2-10

Autoinstall Requirements 2-10

Understanding AutoInstall 2-11

Contents

Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide

OL-2239-04

Preparing for the AutoInstall Process 2-11

Performing the AutoInstall Procedure 2-12

Setting Up the TFTP Server for Autoinstall 2-15

Setting Up the BOOTP or RARP Server for Autoinstall 2-16

Connecting the New Router to the Network 2-16

Configuring the Cisco uBR7200 Series Using the Setup Facility 2-17

Introduction to the Setup Facility 2-17

Configuring Global Parameters with the Setup Facility 2-18

Configuring Upstream Frequencies with the Setup Facility 2-21

Configuring Interfaces with the Setup Facility 2-22

Configuring the Cable Interface with the Extended Setup Facility 2-25

Identifying the Cable Interface Line Card 2-25

Configuring Global Parameters in Extended Setup 2-26

Configuring the Cisco uBR7200 Series Manually Using Configuration Mode 2-27

Saving Your Configuration Settings 2-29

Reviewing Your Settings and Configurations 2-29

Viewing Sample Configuration Files 2-29

CHAPTER

3Configuring Cable Modem Interface Features 3-1

Configuring the Downstream Cable Modem Interface 3-2

Activating Downstream Cable Address Resolution Protocol Requests 3-2

Activating Downstream Ports 3-3

Setting the Integrated Upconverter 3-4

Assigning the Downstream Channel ID 3-5

Configuring Downstream Rate Limiting and Traffic Shaping 3-6

Setting the Downstream Helper Address 3-7

Setting the Downstream Interleave Depth 3-8

Setting the Downstream Modulation 3-8

Setting the Downstream MPEG Framing Format 3-9

Setting Downstream Traffic Shaping 3-10

Configuring the Upstream Cable Modem Interface 3-11

Activating Upstream Admission Control 3-12

Activating Upstream Differential Encoding 3-13

Activating Upstream Forward Error Correction 3-14

Activating the Upstream Ports 3-15

Activating Upstream Frequency Adjustment 3-15

Activating Upstream Power Adjustment 3-16

Activating the Upstream Scrambler 3-17

Activating Upstream Timing Adjustment 3-17

Contents

Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide

OL-2239-04

Configuring Upstream Rate Limiting and Traffic Shaping 3-18

Setting Upstream Backoff Values 3-19

Setting the Upstream Channel Width 3-21

Setting the Upstream Frequency 3-22

Setting the Upstream Input Power Level 3-24

Specifying Upstream Minislot Size 3-25

Setting Upstream Traffic Shaping 3-26

Configuring Optional Cable Modem Interface Features 3-28

Activating Host-to-Host Communication (Proxy ARP) 3-28

Activating Packet Intercept Capabilities 3-29

Configuring Cable Subinterfaces 3-29

Configuring and Monitoring Cable Interface Bundling 3-30

Configuring Payload Header Suppression and Restoration 3-33

Setting Optional IP Parameters (Broadcast and Multicast Echo) 3-33

Activating IP Multicast Echo 3-33

Activating IP Broadcast Echo 3-34

CHAPTER

4Configuring DOCSIS Baseline Privacy Interface on the Cisco uBR7200 Series 4-1

Baseline Privacy Interface Overview 4-1

BPI Key Management 4-2

Differentiating Traffic Streams 4-3

CM Communication with BPI 4-3

Enabling DOCSIS BPI 4-3

DOCSIS 1.1 Baseline Privacy Interface Plus Overview 4-4

CHAPTER

5Managing Cable Modems on the Hybrid Fiber-Coaxial Network 5-1

Activating Cable Modem Authentication 5-2

Activating Cable Modem Insertion Interval 5-3

Activating Cable Modem Upstream Address Verification 5-4

Clearing Cable Modem Counters 5-5

Clearing Cable Modem Reset 5-5

Configuring Cable Modem Registration Timeout 5-6

Configuring Dynamic Contention Algorithms (Cable Insertion Interval, Range, and Data Backoff) 5-6

cable insertion-interval Command Examples 5-6

Configuring the Dynamic Map Advance Algorithm 5-7

Configuring Maximum Hosts Attached to a Cable Modem 5-8

Configuring Per-Modem Filters 5-8

Contents

Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide

OL-2239-04

Configuring Sync Message Interval 5-9

CHAPTER

6Configuring Basic Broadband Internet Access 6-1

Overview of Basic Broadband Internet Access 6-1

Recommended Basic Configuration for High-Speed Internet Access 6-2

Basic Internet Access Sample Configuration File 6-3

CHAPTER

7Overview of the Cisco Network Registrar for the Cisco uBR7200 Series 7-1

Cisco Network Registrar Description 7-1

Cable Modem DHCP Response Fields 7-2

DOCSIS DHCP Fields 7-2

DHCP Relay Option (DOCSIS Option 82) 7-2

Overview of Scripts 7-3

Two-way Cable Modem Scripts 7-3

Telco Return Cable Modem Scripts 7-3

Placement of Scripts 7-3

Windows NT 7-3

Solaris 7-3

Activate Scripts in Cisco Network Registrar 7-4

Configuring the Cisco uBR7200 Series to Use Scripts 7-4

Configure the System Default Policy 7-5

Cable Modems 7-5

PCs 7-5

Create Selection Tag Scopes 7-5

General 7-5

Telco Return 7-6

Create Network Scopes 7-6

Create Policies for Class of Service or for Upgrading Cable Modem Cisco IOS Images 7-7

CNR Steps to Support Subinterfaces 7-7

CHAPTER

8Troubleshooting the System 8-1

Understanding show Command Responses 8-2

Using a Headend Cable Modem to Verify Downstream Signals 8-6

Performing Amplitude Averaging 8-7

Enabling or Disabling Power Adjustment 8-7

Setting Downstream Test Signals 8-9

Configuring Unmodulated Test Signals 8-9

Contents

Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide

OL-2239-04

Configuring PRBS Test Signals 8-10

Verifying Test Signal Output 8-10

Pinging Unresponsive Cable Modems 8-10

Pinging a Cable Modem 8-10

Verifying the Ping 8-10

Using Cable Interface debug Commands 8-11

debug cable arp 8-11

debug cable error (for MAC Protocol Errors) 8-11

debug cable keyman (for Baseline Privacy Activity) 8-12

debug cable mac-messages 8-12

debug cable map 8-12

debug cable phy 8-12

debug cable privacy (for Baseline Privacy) 8-13

debug cable qos 8-13

debug cable range (for Ranging Messages) 8-13

debug cable receive (for Upstream Messages) 8-13

debug cable reg (for Modem Registration Requests) 8-14

debug cable reset (for Reset Messages) 8-14

debug cable specmgmt (for Spectrum Management) 8-14

debug cable startalloc (for Channel Allocations) 8-14

debug cable transmit (for CMTS Transmissions) 8-15

debug cable ucc (for Upstream Channel Change Messages) 8-15

debug cable ucd (for Upstream Channel Description Messages) 8-15

APPENDIX

AInstalling or Upgrading Cisco IOS Software A-1

Introduction A-1

Before You Begin A-1

Installing or Upgrading Cisco IOS Software A-2

Sample Output—Cisco uBR7200 Series Router A-3

Related Information A-3

Copying a System Image from One Device to Another A-4

Copying from Device to Device Inside the Same Router A-4

Copying from One Router to Another A-4

APPENDIX

BResolving Common Image Installation Problems B-1

Before You Begin B-1

Resolving Default Gateway Issues B-1

Troubleshooting Problems During Software Transfer B-3

Troubleshooting Problems by Verifying the Software Image B-5

Contents

Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide

OL-2239-04

APPENDIX

CViewing Sample Configuration Files C-1

Basic Internet Access Examples C-1

Virtual Private Network (VPN) Example C-9

IP Telephony Example C-12

Telco Return Example C-14

APPENDIX

DFrequency Allocation for the Cisco uBR7200 Series Universal Broadband Routers D-1

APPENDIX

EConfiguration Register Information for the Cisco uBR7200 Series Universal Broadband

Routers E-1

Configuration Bit Meanings E-1

Bits 0–3 E-2

Bit 6 E-3

Bit 7 E-3

Bit 8 E-3

Bit 10 and Bit 14 E-4

Bit 11 and Bit 12 E-4

Bit 13 E-5

Bit 15 E-5

Displaying the Configuration Register While Running Cisco IOS E-5

Displaying the Configuration Register While Running ROM Monitor E-6

Setting the Configuration Register While Running Cisco IOS E-6

Setting the Configuration Register While Running ROM Monitor E-7

NDEX

Contents

Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide

OL-2239-04

Questo manuale è adatto per i seguenti modelli

Indice

Altri manuali Cisco Router di rete

Cisco

Cisco Universal Broadband Router Cisco uBR10012 Manuale

Cisco

Cisco Firepower 1120 Manuale

Cisco

Cisco ISR 4000 series Manuale utente

Cisco

Cisco Linksys WET610N Manuale utente

Cisco

Cisco RV042 - Small Business Dual WAN VPN Router Manuale utente

Cisco

Cisco aironet 1240 Manuale

Cisco

Cisco WS-SUP720-3B - Supervisor Engine 720 Manuale utente

Cisco

Cisco 12000 - Series Chassis Modular Expansion... Manuale

Cisco

Cisco 2811 - Voice Security Bundle Router Manuale di istruzioni

Cisco

Cisco 2600-DC Series Manuale utente

Cisco

Cisco 805 Series Manuale utente

Cisco

Cisco 2651 Manuale utente

Cisco

Cisco cBR 8 Manuale utente

Cisco

Cisco WUMC710 Manuale utente

Cisco

Cisco Linksys WRT600N Manuale utente

Cisco

Cisco 4430 Manuale utente

Cisco

Cisco 3825 Series Manuale di servizio

Cisco

Cisco 1805 Manuale utente

Cisco

Cisco 1603R Manuale utente

Cisco

Cisco 2911 Manuale utente

Cisco

Cisco Small Business RV220W Manuale utente

Cisco

Cisco WRT350N Manuale utente

Cisco

Cisco ASR 9000 Series Istruzioni per il montaggio

Cisco

Cisco 6000 series Manuale utente

Manuali Router di rete popolari di altre marche

Allnet

Allnet ALL0333AU Manuale utente

HomeSeer

HomeSeer HT-SEL Manuale utente

Sercomm

Sercomm Genesis OC3505D Manuale utente

Billion

Billion BIPAC 5102 Series Manuale utente

TP-Link

TP-Link TD-8817 Manuale utente

Motorola

Motorola MR1900 Manuale utente

Digi

Digi IX14 Manuale utente

XAVi

XAVi X8821e Manuale utente

BEC

BEC 6200WZL Manuale utente

MikroTik

MikroTik hAP ac3 Series Manuale utente

Korenix

Korenix JetNet 5428G Series Manuale utente

NETGEAR

NETGEAR FS526T - Switch Manuale utente

Korenix

Korenix JetNet 5710G Series Manuale utente

Automated Logic

Automated Logic ZN551 Manuale del proprietario

EnGenius

EnGenius ESR-9710 Manuale utente

LevelOne

LevelOne FBR-1416 Manuale utente

Dynacord

Dynacord Promatrix 6000 Manuale utente

Lorex

Lorex F5D8230-4 Manuale utente