Cisco uBR10-SRP-OC12SML Specifications Page 212
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Cisco uBR10012 Universal Broadband Router Software Configuration Guide
OL-1520-05
Chapter6 Troubleshooting the System
Using Cable Interface debug Commands
debug cable startalloc (for Channel Allocations)
To activate the debugging of channel allocations on the HFC network, use the debug cable startalloc
command in privileged EXEC mode. To deactivate debugging of cable channel allocations, use the no
form of this command.
debug cable startalloc
no debug cable startalloc
When this command is activated, messages generated when channels are allocated to cableinterfaces on
the HFC network are displayed on the CiscouBR10012router console.
debug cable transmit (for CMTS Transmissions)
To activate the debugging of transmissions from the CiscouBR10012router across the HFC network,
use the debug cable transmit command in privileged EXEC mode. To deactivate debugging of cable
transmissions, use the no form of this command.
debug cable transmit
no debug cable transmit
When this command is activated, messages generated at the headend are displayed on the
CiscouBR10012router console.
debug cable ucc (for Upstream Channel Change Messages)
To activate the debugging of upstream channel change (UCC) messages generated when cableinterfaces
request or are assigned a new channel, use the debug cable ucc command in privileged EXEC mode. To
deactivate debugging of cable upstream channel changes, use the no form of this command.
debug cable ucc
no debug cable ucc
When this command is activated, messages related to upstream channel changes are displayed on the
CiscouBR10012router console.
debug cable ucd (for Upstream Channel Description Messages)
To activate the debugging of upstream channel descriptor (UCD) messages, use the debug cable ucd
command in privileged EXEC mode. To deactivate debugging of cable upstream channel descriptor, use
the no form of this command:
debug cable ucd
no debug cable ucd
UCD messages contain information about upstream channel characteristics and are sent to the
cablemodems on the HFC network. CMs that are configured to use enhanced upstream channels use
these UCD messages to identify and select an enhanced upstream channel to use. When this command
is activated, messages related to upstream channel descriptors are displayed on the
CiscouBR10012router console.
- Text Part Number: OL-1520-08 1
- CONTENTS 3
- Contents 4
- Document Revision History 9
- Audience 10
- Document Organization 10
- Conventions 11
- Terms and Acronyms 12
- OL-1520-06 13
- Additional References 14
- Standards 15
- Obtaining Documentation 16
- Ordering Documentation 17
- Documentation Feedback 17
- Cisco.com 17
- Technical Assistance Center 18
- Cisco TAC Escalation Center 19
- Broadband Router Software 21
- Operational Overview 22
- Cisco IOS Software Location 22
- DOCSIS 1.1 Feature Support 31
- High Availability Features 31
- Intercept Features 32
- IP Routing Features 32
- Management Features 32
- AutoInstall 35
- Cisco Network Registrar 35
- Extended Setup Facility 35
- Integrated DHCP Server 37
- DOCSIS 1.0 Feature Support 38
- DOCSIS 1.0 MAC Driver 40
- DOCSIS 1.0 Multi SID Support 42
- DOCSIS 1.0 ToS Overwrite 44
- DOCSIS 1.0+ Feature Support 47
- Additional Information 48
- DOCSIS 1.1 CM Compatibility 50
- Commands 51
- DOCSIS 1.1 MAC Scheduler 53
- Basic Wiretap Support 67
- Cable Monitor Enhancements 67
- Additional COPS Information 71
- Packet Intercept 73
- PXF ARP Filter 73
- PXF Divert Rate Limiting 73
- IP Broadcast Echo 75
- IP Multicast Echo 75
- SSM Mapping 76
- • Cable ARP Filtering 78
- Integrated Time-of-Day Server 79
- Cable Interface Bundling 82
- CNEM Compliance 82
- Broadband Internet Access 82
- DOCSIS 2.0 SAMIS ECR Data Set 83
- Changes from Cisco DSG 1.0 84
- Prerequisites for DSG 1.1 85
- Downstream Frequency Override 86
- Dynamic Modulation Profiles 87
- Dynamic Upstream Modulation 88
- CISCO-CABLE-METERING-MIB 89
- CISCO-CABLE-QOS-MONITOR MIB 90
- CISCO-CABLE-SPECTRUM-MIB 90
- CISCO-ENHANCED-MEMPOOL-MIB 91
- CISCO-PROCESS-MIB 91
- DOCS-QOS-MIB 91
- DSG-IF-MIB 91
- Restrictions 92
- • debug cable range 94
- Spectrum Management 96
- Statistical Counters 97
- Usage Based Billing (SAMIS) 98
- PacketCable 1.0 With CALEA 99
- OL-1520-08 104
- Security Features 105
- Address Verification 106
- CM Transmission Burst Size 106
- Dynamic Ranging 108
- Flap List Support 109
- Virtual Interfaces 110
- VLAN Features 112
- IPv6 over L2VPN 113
- MPLS-VPN Network Support 113
- • TLS for the Cisco CMTS 117
- System for the First Time 119
- Preparing for Configuration 120
- Fundamentals 121
- OL-1520-05 122
- Configuring Global Parameters 126
- Configuration Mode 131
- MAC-Layer Addressing 132
- Identifying CM Line Cards 133
- CiscouBR10012Router 137
- Verifying ARP Requests 140
- Activating Downstream Ports 141
- Activating the Upstream Ports 150
- Verifying the Upstream Ports 151
- Troubleshooting Tips 161
- no cable proxy-arp 163
- Setting IP Multicast Echo 164
- Verifying IP Multicast Echo 164
- Setting IP Broadcast Echo 165
- Verifying IP Broadcast Echo 165
- Fiber-Coaxial Network 175
- Activating CM Authentication 176
- Verify CM Authentication 177
- Clearing CM Counters 179
- Clearing CM Reset 180
- Configuring Per-Modem Filters 183
- Troubleshooting the System 193
- : 1624 197
- Configuring PRBS Test Signals 207
- Verifying Test Signal Output 207
- Pinging Unresponsive CMs 208
- DOCSIS Specification Summary 213
- • Regional processing centers 214
- • Headends 214
- CMTS Traffic Engineering 217
- Configuration Bit Meanings 221
- Bits 0–3 222
- Bit 10 and Bit 14 224
- Bit 11 and Bit 12 224
- OL-1520-04 229
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