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Cisco cBR 8 Configuration Guide
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T
able 2: Feature Information for Dynamic Bandwidth Sharing
Feature Information
Releases
Feature Name
This
feature
was
integrated
into
Cisco
IOS
XE
Everest
16.6.1
on
the
Cisco
cBR
Series
Converged
Broadband
Routers.
Cisco
IOS
XE
Everest
16.6.1
Dynamic
bandwidth
sharing
Cisco cBR Series Converged Broadband Routers Quality of Services Configuration Guide for Cisco IOS XE
Fuji 16.7.x
8
Dynamic Bandwidth Sharing
Feature Information for Dynamic Bandwidth Sharing
17
19
Table of Contents
Default Chapter
3
Table of Contents
3
Hardware Compatibility Matrix for Cisco Cbr Series Routers
11
Chapter 1 Dynamic Bandwidth Sharing
12
Information about Dynamic Bandwidth Sharing
12
How to Configure Dynamic Bandwidth Sharing
12
Configuring DBS for a Wideband Cable Interface
13
Configuring DBS for an Integrated Cable Interface
13
Verifying the Dynamic Bandwidth Sharing Configuration
14
Additional References
17
Feature Information for Dynamic Bandwidth Sharing
17
CHAPTER 2 Modular Quality of Service Command-Line Interface Qos
19
Finding Feature Information
19
Hardware Compatibility Matrix for Cisco Cbr Series Routers
20
Restrictions for Applying Qos Features Using the MQC
20
About
21
The MQC Structure
21
Elements of a Traffic Class
21
Elements of a Traffic Policy
23
Nested Traffic Classes
25
Match-All and Match-Any Keywords of the Class-Map Command
26
Input and Output Keywords of the Service-Policy Command
26
Benefits of Applying Qos Features Using the MQC
27
How to Apply Qos Features Using the MQC
27
Creating a Traffic Class
27
Creating a Traffic Policy
28
Attaching a Traffic Policy to an Interface Using the MQC
29
Verifying the Traffic Class and Traffic Policy Information
30
Configuration Examples for Applying Qos Features Using the MQC
31
Creating a Traffic Class
31
Creating a Policy Map
32
Example: Attaching a Traffic Policy to an Interface
32
Using the Match Not Command
32
Configuring a Default Traffic Class
33
How Commands "Class-Map Match-Any" and "Class-Map Match-All" Differ
33
Establishing Traffic Class as a Match Criterion (Nested Traffic Classes)
34
Example: Nested Traffic Class for Maintenance
34
In One Traffic Class
34
Example: Traffic Policy as a Qos Policy (Hierarchical Traffic Policies)
35
How to Configure Input MQC on the Port-Channel Interfaces
35
Creating a Traffic Class
36
Creating a Policy Map
36
Defining Qos Actions in a Policy Map
36
Set Actions
37
Configuring Aggregate Port-Channel Interface
37
Attaching a Traffic Policy to an Interface
37
Example: Configuring Input MQC on the Port-Channel Interfaces
37
Additional References
38
Feature Information for Modular Quality of Service Command-Line Interface Qos
38
CHAPTER 3 DOCSIS 1.1 for the Cisco CMTS Routers
41
Hardware Compatibility Matrix for Cisco Cbr Series Routers
42
Prerequisites for DOCSIS 1.1 Operations
42
Restrictions for DOCSIS 1.1 Operations
43
Information about DOCSIS 1.1
45
Baseline Privacy Interface Plus
45
Concatenation
46
Dynamic MAC Messages
46
Enhanced Quality of Service
46
Fragmentation
47
Interoperability
47
Payload Header Suppression
48
Downstream Tos Overwrite
48
DOCSIS 1.1 Quality of Service
48
Service Flow
48
Service Class
49
Packet Classifiers
50
Docsis 1.0
51
Packet Header Suppression Rules
51
Quality of Service Comparison
51
Interoperability with Different Versions of DOCSIS Networks
52
Enhanced Rate Bandwidth Allocation (ERBA) Support for DOCSIS 1.0 Cable Modems
53
DOCSIS 3.0 Downstream Peak Traffic Rate TLV Support for ERBA
54
Modems
55
Downstream Classification Enhancement with MAC Addresses
55
Suppressing Upstream and Downstream Peak Rate Tlvs for Pre DOCSIS 3.0 Cable Modems
55
Benefits
56
How to Configure the Cisco CMTS for DOCSIS 1.1 Operations
57
Configuring Baseline Privacy Interface
58
Downloading the DOCSIS Root Certificate to the CMTS
61
Adding a Manufacturer's Certificate as a Trusted Certificate
63
Adding a Certificate as a Trusted Certificate Using the Command Line Interface
63
Adding a Certificate as a Trusted Certificate Using SNMP Commands
64
Adding a Manufacturer's or CM Certificate to the Hotlist
65
Adding a Certificate to the Hotlist Using SNMP Commands
65
Enabling Concatenation
67
Enabling DOCSIS Fragmentation
68
Enabling DOCSIS 1.1 Downstream Maximum Transmit Burst on the Cisco Cbr-8 Router
70
Monitoring DOCSIS Operations
71
Monitoring the DOCSIS Network
71
Displaying the Status of Cable Modems
71
Displaying a Summary Report for the Cable Modems
74
Displaying Detailed Information about a Particular Cable Modem
74
Displaying the Capabilities of the Cable Modems
74
Monitoring the RF Network and Cable Interfaces
74
Denying RF Access for Cable Modems
75
Displaying Information about Cloned Cable Modems
75
Displaying Information about Qos Parameter Sets
75
Displaying Information about Service Flows
75
Displaying Information about Service Ids
75
Displaying Information about the Mac Scheduler
75
Monitoring BPI+ Operations
76
Displaying the Current BPI+ State of Cable Modems
76
Displaying the BPI+ Timer Values on the CMTS
77
Displaying the Certificate List on the CMTS
77
Configuration Examples for DOCSIS 1.1 Operations
78
Example: DOCSIS 1.1 Configuration for Cisco Cbr-8 Router (with BPI+)
78
Additional References
81
Feature Information for DOCSIS 1.1 for Cisco CMTS Routers
81
CHAPTER 4 Default DOCSIS 1.0 Tos Overwrite
83
Hardware Compatibility Matrix for Cisco Cbr Series Routers
83
Restrictions for Default DOCSIS 1.0 Tos Overwrite
84
Information about Default DOCSIS 1.0 Tos Overwrite
84
Default DOCSIS 1.0 Tos Overwrite Overview
85
Docsis
85
Type-Of-Service (Tos)
85
How to Configure Default DOCSIS 1.0 Tos Overwrite
85
Enabling Default DOCSIS 1.0 Tos Overwrite
86
Editing Qos Profiles
87
Additional References
87
Feature Information for Default DOCSIS 1.0 Tos Overwrite
88
CHAPTER 5 DOCSIS WFQ Scheduler on the Cisco CMTS Routers
89
Hardware Compatibility Matrix for Cisco Cbr Series Routers
90
Prerequisites for DOCSIS WFQ Scheduler
90
Restrictions for DOCSIS WFQ Scheduler
90
Information about DOCSIS WFQ Scheduler
91
Queue Types
92
Best Effort Queues
92
CIR Queues
92
Priority Queues
92
DOCSIS Qos Support
93
Traffic Priority
93
Custom DOCSIS Priority to Excess Ratio Mappings
94
Maximum Sustained Traffic Rate
94
Minimum Reserved Traffic Rate
94
High Priority Traffic
94
Enhanced Rate Bandwidth Allocation
95
Peak Traffic Rate
95
DOCSIS 3.0 Downstream Bonding Support with Bonding Group Dynamic Bandwidth Sharing
96
How to Configure DOCSIS WFQ Scheduler
96
Mapping DOCSIS Priority to Excess Ratio
97
Verifying the Downstream Queues Information
97
Additional References
98
Feature Information for DOCSIS WFQ Scheduler
98
CHAPTER 6 Fairness Across DOCSIS Interfaces
99
Hardware Compatibility Matrix for Cisco Cbr Series Routers
100
Prerequisites for Fairness Across DOCSIS Interfaces
100
Restrictions for Fairness Across DOCSIS Interfaces
101
Information about Fairness Across DOCSIS Interfaces
101
On-Demand CIR Acquisition
101
Fairness Across Bonding Groups
102
OFDM Channels
102
Interface Bandwidth
102
How to Configure Fairness Across DOCSIS Interfaces
102
Configuring Fairness Across DOCSIS Interfaces
102
Configuring Maximum Excess Information Rate Ratio
103
Configuring Constant Excess Information Rate Demand
104
Configuring Maximum Bonus Bandwidth
105
Verifying the Fairness Across DOCSIS Interfaces
106
Verifying Reservable Bandwidth
106
Verifying Global Fairness Across DOCSIS Interfaces Status and Statistics
107
Verifying Per-Controller Fairness Across DOCSIS Interfaces Status and Statistics
108
Verifying Per-Interface Fairness Across DOCSIS Interfaces Status and Statistics
108
Configuration Examples for Fairness Across DOCSIS Interfaces
109
Example: Fairness Across DOCSIS Interfaces
109
Example: Maximum EIR Demand Ratio
109
Example: Constant EIR Demand
110
Example: Maximum Bonus Bandwidth
110
Additional References
111
Feature Information for Fairness Across DOCSIS Interfaces
111
Chapter 7 Service Group Admission Control
113
Finding Feature Information
113
Hardware Compatibility Matrix for Cisco Cbr Series Routers
113
Restrictions for Service Group Admission Control
114
Information about Service Group Admission Control
114
Overview
114
SGAC and Downstream Bandwidth Utilization
115
Categorization of Service Flows
115
Thresholds for Downstream Bandwidth
116
Overview of Bonding Group Admission Control
116
How to Configure, Monitor, and Troubleshoot Service Group Admission Control
116
Defining Rules for Service Flow Categorization
116
Naming Application Buckets
119
Preempting High-Priority Emergency 911 Calls
119
Calculating Bandwidth Utilization
120
Enabling SGAC Check
121
Configuration Examples for SGAC
122
Example: SGAC Configuration Commands
122
Example: SGAC for Downstream Traffic
124
Additional References
124
Feature Information for Service Group Admission Control
126
CHAPTER 8 Subscriber Traffic Management
127
Hardware Compatibility Matrix for Cisco Cbr Series Routers
128
Restrictions for Subscriber Traffic Management on the Cisco CMTS Routers
129
Information about Subscriber Traffic Management on the Cisco CMTS Routers
129
Feature Overview
130
Feature List
130
Sliding Window for Monitoring Service Flows
131
Weekend Monitoring
132
SNMP Trap Notifications
132
Cable Modem Interaction with the Subscriber Traffic Management Feature
134
How to Configure the Subscriber Traffic Management Feature on the Cisco CMTS Routers
135
Creating and Configuring an Enforce-Rule
135
Example: Legacy Monitoring Configuration
138
Examples
138
Example: Peak-Offpeak Monitoring Configuration
139
Configuring Weekend Monitoring
140
Configuring Different Legacy Monitoring Conditions for Weekends
140
Prerequisites
140
Restrictions
140
Configuring Different Peak-Offpeak Monitoring Conditions for Weekends
141
Disabling Weekend Monitoring
142
Day
143
Disabling an Enforce-Rule
143
Removing Weekend Monitoring Conditions and Use the same Monitoring Criteria Every Day
143
Removing an Enforce-Rule
144
Changing a Cable Modem Service Class
145
Monitoring the Subscriber Traffic Management Feature on the Cisco CMTS Routers
146
Displaying the Currently Defined Enforce-Rules
146
Displaying the Current Subscriber Usage
148
Configuration Examples for Subscriber Traffic Management on the Cisco CMTS Routers
149
Example: DOCSIS Configuration File and STM Service Classes
149
Example: Downstream Configuration
150
Example: Upstream Configuration
150
Example: Downstream and Upstream Configuration
151
Example: Weekend Monitoring Configuration
151
Additional References
152
Feature Information for Subscriber Traffic Management
153
Other manuals for Cisco cBR 8
Configuration And Troubleshooting Guide
254 pages
Installation Instructions
26 pages
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Cisco cBR 8 Specifications
General
Brand
Cisco
Model
cBR 8
Category
Network Router
Language
English
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