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Cisco ASR 900 Series Configuration Guide
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1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration
Guide, Cisco IOS XE Everest 16.7.x (Cisco ASR 900 Series)
First Published:
2017-1
1-17
Americas Headquarters
Cisco Systems, Inc.
170 W
est T
asman Drive
San Jose, CA 95134-1706
USA
http://www
.cisco.com
T
el: 408 526-4000
800 553-NETS (6387)
Fax: 408 527-0883
2
Table of Contents
Default Chapter
3
Table of Contents
3
Configuring CEM
15
CHAPTER 1 Configuringcem
16
Structure-Agnostic TDM over Packet
16
Configuring CEM Classes
17
Shutting down a CEM Channel
18
Configuring CEP
19
Configuring Unidirectional APS for Satop
20
Associated Commands
21
Additional References for Configuring CEM
23
CHAPTER 2 CEM over MPLS Qos
25
Prerequisites for CEM over MPLS Qos
26
Restrictions for CEM over MPLS Qos
26
How to Classify and Mark MPLS EXP
26
Classifying MPLS Encapsulated Packets
26
Marking MPLS EXP on Imposed Labels
27
Classifying and Marking MPLS EXP
27
Configuration Examples
27
Example: Defining an MPLS EXP Class Map
27
Example: Defining a Policy Map and Applying the Policy Map to an Ingress Interface
28
Example: Defining a Policy Map and Applying the Policy Map to an Egress Interface
28
Example: Defining an MPLS EXP Imposition Policy Map
28
Example: Applying the MPLS EXP Imposition Policy Map to a Main Interface
29
Example: Applying the MPLS EXP Imposition Policy Map to an EVC
29
Example: Defining an MPLS EXP Label Switched Packets Policy Map
29
Example: Applying the MPLS EXP Label Switched Packets Policy Map to a Main Interface
30
Additional References for CEM over MPLS Qos
30
CHAPTER 3 Configuring SONET
33
Overview of SONET
34
Restrictions for SONET
34
SONET Switching
35
SONET Hierarchy
36
Line
36
Path
36
STS-1 and STS-3 Frames
37
SONET Line and Section Configuration Parameters
38
Bert
39
Concatenated SONET Frames
40
SONET Path Level Configuration Parameters
40
Channelized SONET Frames
41
SONET T1 Configuration Parameters
41
SONET T3 Configuration Parameters
41
SONET VT Configuration Parameters
42
SONET Protection Switching
42
1+1 Aps
42
APS 1+1 for SONET Layer 1 Traffic
43
Benefits of APS
43
Scenario for Bidirectional APS 1+1
44
Scenario for Unidirectional APS 1+1
45
UPSR Path Protection
45
Configuring UPSR
46
Configuring UPSR Work and Protection Path Configuration
46
Verification of UPSR Configuration
47
Alarms at SONET Layers
47
Section Alarms
47
SONET Alarm Surveillance
47
Line Alarms
48
Path Alarms
48
VT Alarms
48
Alarm Indicators
49
T1 Alarms
49
T3 Alarms
49
How to Configure SONET
49
Configuring Line and Section Overhead
50
Configuring Mediatype Controller
50
Configuring SONET Ports
50
Managing and Monitoring SONET Line
50
Prerequisites for Configuring SONET
50
Configuring AIS Shut
51
Configuring Line and Section Threshold
51
Configuring Line Loopback
51
Configuring Shut
51
Configuring Alarm Reporting
52
Configuring Clock
52
Configuring STS-1 Modes
52
Configuring DS1/T1 CT3 Mode of STS-1
53
Configuring STS-Nc - Contiguous Concatenation
53
Configuring CEM Group for Sonet Mode VT1.5-T1 in Cesopsn
54
Verifying ACR Configurations for Satop
55
Configuring APS for Cesopsn
57
Configuring VT 1.5-T1 Loopback
58
Configuring Path Threshold
59
Performance Monitoring Use Cases or Deployment Scenarios
62
ONS Pluggables
65
Configuring BERT in Sonet for Cesopsn
67
Restrictions for SONET BERT on Cesopsn
68
Clock Recovery System in Cesopsn
69
Verifying VT1.5-T1 BERT Configuration for Cesopsn
69
Adaptive Clock Recovery in Cesopsn
70
Benefits of Clock Recovery
71
Configuring ACR in VT 1.5-T1 Mode for Cesopsn
72
Verifying DCR in VT 1.5-T1 Mode for Cesopsn
73
Configuring Clocking for ACR and DCR on APS for Cesopsn
74
Configuring DCR in CT3-T1 Mode for Cesopsn
74
Verifying Clocking for ACR on APS CT3-T1 in Cesopsn
75
Verifying Clocking for DCR on APS CT3-T1 in Cesopsn
76
Verifying Clocking for ACR on APS VT 1.5-T1 in Cesopsn
77
Verifying Clocking for DCR on APS VT 1.5-T1 in Cesopsn
78
Additional References for Configuring SONET on 1-Port OC192/STM-64 or 8-Port OC3/12/48/STM-1/-4/-16 Interface Module
81
CHAPTER 4 Configuringsdhon1-Portoc-192/STM-64Or8-Portoc-3/12/48/STM-1/-4/-16Module
84
Overview of SDH
84
CEM Overview
86
Services Provided by SDH Configuration
87
SDH Multiplexing
89
Modes of SDH
90
Configuring AUG Mapping
91
Configuring Modes under AU-4 Mapping
92
Configuring Mode TUG-3
93
Configuring AU-4 — TUG-3 — VC-3 — E3
94
Configuring AU-4 — TUG-3 — TUG-2 — VC-11 — T1
95
Configuring AU-4 — TUG-3 — TUG-2 — VC-11 — VC
96
Configuring Mode VC-4 Nc
97
Configuring AU-3 — VC-3 — E3
98
Configuring AU-3 — TUG-2 — VC-11 — T1
99
Restrictions for SDH in Satop
100
Restrictions for SDH in Cesopsn
101
Configuring Mediatype Controller
102
SDH Line and Section Configuration Parameters
103
Configuring Line and Section Threshold
104
Configuring AIS Shut
105
Configuring Alarm Reporting
106
Verifying SDH Line and Section Parameters Configuration
107
Path Threshold
108
Configuring Path Threshold
109
Configuring BERT in SDH for Satop
110
Configuring BERT in Modes VC-4 and VC Nc
111
Configuring E1 Bert
112
Configuring BERT in Mode VC-1X
113
Restrictions for SDH BERT on Cesopsn
114
Configuring BERT in AUG Mapping AU-4 Vc1X E1 for Cesopsn
115
Configuring T1/E1 Parameters
116
Configuring SDH T3/E3 Parameters Configuration
117
Configuring VC Parameters
118
Configuring CEM Group for Cesopsn
119
Configuring CEM Group for AU4-E1 on SDH for Cesopsn
120
Configuring ACR and DCR for Satop
121
Verifying ACR Configuration
122
Verifying DCR Configuration
123
Verifying ACR Configuration for Cesopsn
124
Verifying DCR Configuration for Cesopsn
125
1+1 Msp
128
Benefits of MSP
128
Restrictions for MSP
128
MSP 1+1 for SDH Layer 1 Traffic
129
Scenario for Bidirectional MSP 1+1
129
Scenario for Unidirectional MSP 1+1
130
Configuring MSP for Satop
130
CHAPTER 5 Configuringmspon1-Portoc192/Stm-64Or8-Portoc3/12/48/Stm-1/-4/-16Module
132
Verifying MSP Configuration for Satop
132
Configuring MSP for Cesopsn
133
Configuring CEM Group for MSP on Virtual ACR AU4-E1 in Cesopsn
134
Configuring Clocking ACR for MSP AU3-T1 in Cesopsn
135
Verifying Clocking ACR for MSP AU3-T1 in Cesopsn
136
Verifying Clocking DCR for MSP AU3-T1 in Cesopsn
137
Configuring Clocking DCR for MSP AU4-E1 in Cesopsn
138
Restrictions for SNCP
139
CHAPTER 6 Configuring SNCP
140
Verification of SNCP Configuration
141
CHAPTER 7 Alarmhistory
143
Alarm History Restrictions
143
Configuring Alarm History
144
Associated Commands
145
CHAPTER 8 Clockrecoverysystemforsatop
147
Prerequisites for Clock Recovery
147
Finding Feature Information
148
Prerequisites for ACR Configuration in 8 T1/E1 Interface Module
149
Verifying the ACR Configuration of T1 Interfaces for Satop
150
Associated Commands
151
Verifying ACR in Mode VT15 for Satop
152
Verifying ACR in Mode T3 for Satop
153
Verifying ACR in Mode CT3 for Satop
154
Explicit Pointer Adjustment Relay (EPAR)
155
Benefits of Clock Recovery
156
Configuring DCR in Mode CT3 for Satop
157
Configuring DCR in Mode T3 for Satop
158
Configuring ACR in Mode CT3 for Cesopsn
159
Recovering a Clock
160
Example: Differential Clock Recovery (DCR) for Satop
161
Module
163
CHAPTER 9 Configuring5Gmodeon1-Portoc-192/STM-64Or8-Portoc-3/12/48/STM-1/-4/-16Interface
166
Supported Traffic Combinations
166
Configuring 5G Mode from 10G Mode
167
CHAPTER 10 Configuringdatacommunicationchannel
170
Restrictions of DCC
170
Configuring PPP
171
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Release Notes
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Cisco ASR 900 Series Specifications
General
Brand
Cisco
Model
ASR 900 Series
Category
Network Router
Language
English
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