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7246VXR - uBR Router
Cisco 7246VXR - uBR Router User Manual
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5-10
Cisco uBR7200 Series Universal Broadband
Router Software C
onfiguration Guide
OL-2239-03
Chapter 5 Managing Ca
ble Modems on the Hybrid Fibe
r-Coaxial Network
Configuring Sync Message Interva
l
239
241
Table of Contents
Table of Contents
3
Default Chapter
1
Configuration Guide
1
Preface
11
Document Objectives
11
Document Revision History
11
Audience
12
Document Organization
12
Conventions
13
Terms and Acronyms
14
Cisco Ubr7200 Series Documentation
17
Related Documentation
17
Cisco Cable Modem Termination System Reference Documentation
18
Related Cisco IOS Release Documentation
18
CHAPTER 1 Overview of Cisco Ubr7200 Series Software
19
C H a P T E R 1 Overview of Cisco Ubr7200 Series Software
20
Cisco IOS Releases and Images for the Cisco Ubr7200 Series
20
Determining Your Cisco IOS Software Release
20
Upgrading to a New Software Release
20
12.3 BC Release Train Images and Requirements
21
12.2 BC Release Train Images and Requirements
22
12.2 CX Images and Requirements
23
12.1 EC Images and Requirements
25
Cisco Ubr7200 Series Chassis Overview
26
Cisco Ubr7200 Series Universal Broadband Routers
27
Supported Hardware on the Cisco Ubr7200 Series
29
System Interoperability
32
Cisco Ubr7200 Series Router Configuration Overview
33
Port Adapter and Line Card Slot and Logical Interface Numbering
33
Cable Interface Line Cards
35
MAC-Layer Addressing
35
Cable Interface Line Card Slots
37
Interfaces and Physical Ports
38
Port Adapter Slots
38
Supported Software Features for the Cisco Ubr7200 Series
40
Cisco Ubr7200 Series Router Features and Cisco IOS Releases
40
Cisco Ubr7200 Series Router Configuration Tools
49
Bandwidth Management Features
51
Cisco IOS Command-Line Enhancements
51
Cisco Quality of Service Features
63
DHCP Servers and Feature Support
65
Docsis 1.0 Feature Support
67
DOCSIS 1.0 Concatenation Override Featurette
68
DOCSIS 1.0 Extensions
69
DOCSIS 1.0 Quality of Service
69
DOCSIS Quality of Service Enhancements Prior to DOCSIS 1.1
70
DOCSIS Customer Premises Equipment Configurator
71
Enhanced Rate Bandwidth Allocation (ERBA) Support for DOCSIS 1.0 Cable Modems
72
DOCSIS 1.0+ Feature Support
74
DOCSIS 1.1 Feature Support
75
Downstream Frequency Override
83
DOCSIS 2.0 Feature Support
85
High Availability Features
86
DRP Server Agent
87
Globally Configured HCCP 4+1 Redundancy on the Cisco Ubr7246Vxr Router
87
HCCP N+1 Redundancy
88
HCCP Support for the Cisco Ubr-MC16S Cable Interface Line Card
88
High Availability Support for Encrypted IP Multicast
89
Hot-Standby 1+1 Redundancy
89
Intercept Features
90
IF Muting for HCCP N+1 Redundancy
90
IP Broadcast and Multicast Features
97
IP Routing Features
98
Cable Intercept Command
99
Cable Interface Bundling and Cable Subinterfaces
100
Configurable Alternate Termination System Information Messages
101
Easy IP (Phase 1)
101
Fast-Switched Policy Routing
101
IP Enhanced IGRP Route Authentication
102
IP Network Address Translation/Port Address Translation
102
NAT-Support for Netmeeting Directory (Internet Locator Service-ILS)
102
Router-Port Group Management Protocol
103
Supported Protocols on the Cisco Ubr7200 Series
103
Management Features
104
Cable ARP and Proxy ARP
105
Cable Map-Advance Command Enhancements
105
Cable Monitor Command
106
Cisco IOS Internationalization
106
Dynamic Ranging Support
108
Enhanced Modem Status Display
108
Entity MIB, Phase 1
109
Load Balancing for the Cisco CMTS
109
Management Information Base (MIB) Changes and Enhancements
109
MAX-CPE Override for Cable Modems
110
Per-Modem Error Counter Enhancements
110
Pre-Equalization Control for Cable Modems
111
Subscriber Traffic Management (STM) Version 1.1
113
Multicast Features
114
Usage Based Billing (SAMIS)
114
Advanced-Mode DOCSIS Set-Top Gateway Issue 1.1
115
Bidirectional PIM
115
DOCSIS Set-Top Gateway (DSG) 1.0
115
Advanced-Mode DOCSIS Set-Top Gateway Issue 1.2
117
IGMP Version 3
117
IP Multicast Load Splitting Across Equal-Cost Paths
117
IP Multicast over ATM Point-To-Multipoint Virtual Circuits
118
IP Multicast over Token Ring Lans
118
Packetcable and Voice Support Features
119
Source Specific Multicast
119
Stub IP Multicast Routing
119
Security Features
120
Access Control Lists
121
Automated Double Authentication
121
Cable Modem and Multicast Authentication Using RADIUS
121
Cable Source Verification (Cable Source-Verify Command)
122
Cisco IOS Firewall Feature Enhancements
122
Cisco IOS Firewall Feature Set
122
Dynamic Mobile Hosts
123
Dynamic Shared Secret for DOCSIS
123
Dynamic Shared Secret (DMIC) with OUI Exclusion for DOCSIS
124
HTTP Security
124
Named Method Lists for AAA Authorization & Accounting
125
Per-Modem Filters (Per-Modem and Per-Host Access Lists)
125
Per-User Configuration
125
Redirect-Number Support for RADIUS and TACACS+ Servers
125
Reflexive Access Lists
126
Secure Shell (SSH) Supported in "K1" Images for Cisco Ubr7200
126
Turbo Access Control Lists
126
Snmp Features and Enhancements
127
Individual SNMP Trap Support
128
Linkup/Down Traps Support (RFC 2233)
128
Snmpv2C
128
SNMP Cable Modem Remote Query
129
SNMP Management Information Base (MIB) Enhancements
129
Snmpv3
129
SNMP Mibs Changes and Updates in Cisco IOS Release 12.3(9A)Bc
135
Spectrum Management and Advanced Spectrum Management Features
137
SNMP Warm Start Trap
137
Advanced Spectrum Management
138
Cable Modulation Profile Default Templates
138
Downstream Traffic Shaping
138
Dynamic Upstream Modulation
139
Guided and Scheduled Spectrum Management
139
Input Power Levels
140
Spectrum Management Enhancements in Cisco IOS Release 12.3(9A)Bc
140
Upstream Traffic Shaping
140
Testing, Troubleshooting and Diagnostic Features
141
Virtual Interfaces
143
VLAN Features
144
VPN and Layer 2 Tunneling Features
144
IP Type-Of-Service and Precedence for GRE Tunnels
145
Ipv6 over L2VPN
145
Mapping Service Flows to MPLS-VPN
146
MPLS VPN Support for Subinterfaces and Cable Interface Bundles
146
Overlapping Subinterface IP Addresses
147
Transparent LAN Services (TLS) and L2 Tunneling Atm/Sids
148
Transparent LAN Services (TLS) and L2 Virtual Private Networks
148
WAN Optimization and Services Features
149
Default Chapter
150
Enhanced Local Management Interface (ELMI)
150
Frame Relay Enhancements
150
Frame Relay MIB Extensions
150
Frame Relay Router Foresight
151
ISDN Advice of Charge
151
ISDN Caller ID Callback
151
ISDN Multiple Switch Types
152
Isdn Nfas
152
Microsoft Point-To-Point Compression (MPPC)
152
MLPPP Support
152
National ISDN Switch Types for BRI and PRI
153
PAD Subaddressing
153
Pppoe Termination Support on Cable Interfaces
153
VPDN MIB and Syslog Facility
154
X.25 Enhancements
154
X.25 Switching between Pvcs and Svcs
154
DOCSIS and CMTS Interoperability
155
DOCSIS NTSC Cable Plants
155
Eurodocsis Cable Plants
156
DOCSIS-Compliant Downstream Signals
157
DOCSIS-Compliant Upstream Signals
158
Traffic Engineering
160
CHAPTER 2 Configuring the Cable Modem Termination System for the First Time
163
C H a P T E R 2 Configuring the Cable Modem Termination System for the First Time
164
Configuration Fundamentals for the Cisco Ubr7200 Series
164
Preconfiguring the Cisco Ubr7200 Series
164
Booting and Logging Onto the Cisco Ubr7200 Series
167
Setting Password Protection on the Cisco Ubr7200 Series
167
Recovering Passwords on the Cisco Ubr7200 Series
168
Configuring the Cisco Ubr7200 Series Using Autoinstall
172
Autoinstall Requirements
172
Preparing for the Autoinstall Process
173
Understanding Autoinstall
173
Performing the Autoinstall Procedure
174
Setting up the TFTP Server for Autoinstall
177
Connecting the New Router to the Network
178
Setting up the BOOTP or RARP Server for Autoinstall
178
Configuring the Cisco Ubr7200 Series Using the Setup Facility
179
Introduction to the Setup Facility
179
Configuring Global Parameters with the Setup Facility
180
Configuring Upstream Frequencies with the Setup Facility
183
Configuring Interfaces with the Setup Facility
184
Configuring Synchronous Serial Interfaces
185
Configuring the Cable Interface with the Extended Setup Facility
187
Identifying the Cable Interface Line Card
187
Configuring Global Parameters in Extended Setup
188
Configuring the Cisco Ubr7200 Series Manually Using Configuration Mode
189
Saving Your Configuration Settings
191
Reviewing Your Settings and Configurations
191
Viewing Sample Configuration Files
191
CHAPTER 3 Configuring Cable Modem Interface Features
193
Configuring the Downstream Cable Modem Interface
194
Activating Downstream Cable Address Resolution Protocol Requests
194
Activating Downstream Ports
195
C H a P T E R 3 Configuring Cable Modem Interface Features
195
Setting the Integrated Upconverter
196
Assigning the Downstream Channel ID
197
Configuring Downstream Rate Limiting and Traffic Shaping
198
Setting the Downstream Helper Address
199
Setting the Downstream Interleave Depth
200
Setting the Downstream Modulation
200
Setting the Downstream MPEG Framing Format
201
Setting Downstream Traffic Shaping
202
Configuring the Upstream Cable Modem Interface
203
Activating Upstream Admission Control
204
Activating Upstream Differential Encoding
205
Activating Upstream Forward Error Correction
206
Activating the Upstream Ports
207
Activating Upstream Frequency Adjustment
207
Activating Upstream Power Adjustment
208
Activating the Upstream Scrambler
209
Activating Upstream Timing Adjustment
209
Configuring Upstream Rate Limiting and Traffic Shaping
210
Setting Upstream Backoff Values
211
Setting the Upstream Channel Width
213
Setting the Upstream Frequency
214
Setting the Upstream Input Power Level
216
Specifying Upstream Minislot Size
217
Setting Upstream Traffic Shaping
218
Troubleshooting Tips
219
Configuring Optional Cable Modem Interface Features
220
Activating Host-To-Host Communication (Proxy ARP)
220
Activating Packet Intercept Capabilities
221
Configuring Cable Subinterfaces
221
Configuring and Monitoring Cable Interface Bundling
222
Configuration Guidelines
223
Configuring Payload Header Suppression and Restoration
225
Setting Optional IP Parameters (Broadcast and Multicast Echo)
225
Activating IP Multicast Echo
225
Activating IP Broadcast Echo
226
Chapter 4 Configuring DOCSIS Baseline Privacy Interface on the Cisco Ubr7200 Series
227
Baseline Privacy Interface Overview
227
BPI Key Management
228
CM Communication with BPI
229
Differentiating Traffic Streams
229
Enabling DOCSIS BPI
229
DOCSIS 1.1 Baseline Privacy Interface Plus Overview
230
C H a P T E R 5 Managing Cable Modems on the Hybrid Fiber-Coaxial Network
232
CHAPTER 5 Managing Cable Modems on the Hybrid Fiber-Coaxial Network
232
Activating Cable Modem Authentication
232
Activating Cable Modem Insertion Interval
233
Activating Cable Modem Upstream Address Verification
234
Clearing Cable Modem Counters
235
Clearing Cable Modem Reset
235
Configuring Cable Modem Registration Timeout
236
Configuring Dynamic Contention Algorithms (Cable Insertion Interval, Range, and Data Backoff)
236
Cable Insertion-Interval Command Examples
236
Configuring the Dynamic Map Advance Algorithm
237
Configuring Maximum Hosts Attached to a Cable Modem
238
Configuring Per-Modem Filters
238
Configuring Sync Message Interval
239
CHAPTER 6 Configuring Basic Broadband Internet Access
241
Overview of Basic Broadband Internet Access
241
C H a P T E R 6 Configuring Basic Broadband Internet Access
242
Recommended Basic Configuration for High-Speed Internet Access
242
Basic Internet Access Sample Configuration File
243
Basic Internet Access Sample Configuration File
244
CHAPTER 7 Overview of the Cisco Network Registrar for the Cisco Ubr7200 Series
247
Cisco Network Registrar Description
247
C H a P T E R 7 Overview of the Cisco Network Registrar for the Cisco Ubr7200 Series
248
Cable Modem DHCP Response Fields
248
DHCP Relay Option (DOCSIS Option 82)
248
DOCSIS DHCP Fields
248
Overview of Scripts
249
Telco Return Cable Modem Scripts
249
Two-Way Cable Modem Scripts
249
Placement of Scripts
249
Solaris
249
Windows NT
249
Activate Scripts in Cisco Network Registrar
250
Configuring the Cisco Ubr7200 Series to Use Scripts
250
Configure the System Default Policy
251
Cable Modems
251
Pcs
251
Create Selection Tag Scopes
251
General
251
Telco Return
252
Create Network Scopes
252
Create Policies for Class of Service or for Upgrading Cable Modem Cisco IOS Images
253
CNR Steps to Support Subinterfaces
253
Troubleshooting the System
255
Chapter 8 Troubleshooting the System
256
Understanding Show Command Responses
256
Using a Headend Cable Modem to Verify Downstream Signals
260
Performing Amplitude Averaging
261
Enabling or Disabling Power Adjustment
261
Setting Downstream Test Signals
263
Configuring Unmodulated Test Signals
263
Configuring PRBS Test Signals
264
Verifying Test Signal Output
264
Pinging Unresponsive Cable Modems
264
Pinging a Cable Modem
264
Verifying the Ping
264
Using Cable Interface Debug Commands
265
Debug Cable Arp
265
Debug Cable Error (for MAC Protocol Errors)
265
Debug Cable Keyman (for Baseline Privacy Activity)
266
Debug Cable Mac-Messages
266
Debug Cable Map
266
Debug Cable Phy
266
Debug Cable Privacy (for Baseline Privacy)
267
Debug Cable Qos
267
Debug Cable Range (for Ranging Messages)
267
Debug Cable Receive (for Upstream Messages)
267
Debug Cable Reg (for Modem Registration Requests)
268
Debug Cable Reset (for Reset Messages)
268
Debug Cable Specmgmt (for Spectrum Management)
268
Debug Cable Startalloc (for Channel Allocations)
268
Debug Cable Transmit (for CMTS Transmissions)
269
Debug Cable Ucc (for Upstream Channel Change Messages)
269
Debug Cable Ucd (for Upstream Channel Description Messages)
269
Appendix
271
Installing or Upgrading Cisco IOS Software
271
Before You Begin
271
Introduction
271
Installing or Upgrading Cisco IOS Software
272
Related Information
273
Sample Output-Cisco Ubr7200 Series Router
273
Copying a System Image from One Device to Another
274
Copying from Device to Device Inside the same Router
274
Copying from One Router to Another
274
Appendix
277
Resolving Common Image Installation Problems
277
Before You Begin
277
Resolving Default Gateway Issues
277
A P P E N D I X B Resolving Common Image Installation Problems
278
Troubleshooting Problems During Software Transfer
279
Troubleshooting Problems by Verifying the Software Image
281
Appendix
283
Viewing Sample Configuration Files
283
Basic Internet Access Examples
283
Virtual Private Network (VPN) Example
291
IP Telephony Example
294
Telco Return Example
296
Appendix
301
Frequency Allocation for the Cisco Ubr7200 Series Universal Broadband Routers
301
Appendix
309
Configuration Register Information for the Cisco Ubr7200 Series Universal Broadband Routers
309
Configuration Bit Meanings
309
Bits
310
Bit 6
311
Bit 10 and Bit 14
312
Bit 11 and Bit 12
312
Bit 13
313
Displaying the Configuration Register While Running Cisco IOS
313
Displaying the Configuration Register While Running ROM Monitor
314
Setting the Configuration Register While Running Cisco IOS
314
Setting the Configuration Register While Running ROM Monitor
315
I N D E X
317
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Cisco 7246VXR - uBR Router Specifications
General
Brand
Cisco
Model
7246VXR - uBR Router
Category
Network Router
Language
English
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