Cisco ASR 1000 Series User manual

Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA
Software Configuration Guide, Cisco IOS XE Everest 16.5
First Published: 2017-04-14
Last Modified: 2017-04-14
Americas Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel: [phone]
800 553-NETS (6387)
Fax: [phone]
Text Part Number: OL-14127-17

THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS,
INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS.
THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH
THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY,
CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY.
The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCB's public domain version
of the UNIX operating system. All rights reserved. Copyright ©1981, Regents of the University of California.
NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED “AS IS" WITH ALL FAULTS.
CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE.
IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, INCLUDING, WITHOUT
LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS
HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers. Any examples, command display output, network
topology diagrams, and other figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses or phone numbers in illustrative content is unintentional
and coincidental.
Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL: http://
www.cisco.com/go/trademarks. Third-party trademarks mentioned 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. (1110R)
©2017-2017 Cisco Systems, Inc. All rights reserved.

CONTENTS
Preface Preface xxix
Objectives xxix
Documentation Revision History xxix
Document Organization xl
Document Conventions xliii
Related Documentation xliv
Obtaining Documentation and Submitting a Service Request xlv
CHAPTER 1 Using Cisco IOS XE Software 1
Accessing the CLI Using a Router Console 1
Accessing the CLI Using a Directly-Connected Console 1
Connecting to the Console Port 2
Using the Console Interface 3
Accessing the CLI from a Remote Console Using Telnet 4
Preparing to Connect to the Router Console Using Telnet 4
Using Telnet to Access a Console Interface 4
Using Keyboard Shortcuts 6
Using the History Buffer to Recall Commands 7
Understanding Command Modes 7
Getting Help 8
Finding Command Options: An Example 9
Using the no and default Forms of Commands 12
Saving Configuration Changes 12
Filtering the Output of the show and more Commands 12
Finding Support Information for Platforms and Cisco Software Images 13
Using the Cisco Feature Navigator 13
Using the Software Advisor 13
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS XE
Everest 16.5
OL-14127-17 iii

Using Software Release Notes 13
CHAPTER 2 SIP and SPA Product Overview 15
Introduction to SIPs and SPAs 15
SPA Interface Processors 15
Shared Port Adapters 16
SIP and SPA Compatibility 17
Modular Optics Compatibility 20
CHAPTER 3 Overview of the SIP 27
Release History 27
Supported SIP Features 28
Cisco ASR1000-SIP10 Features 28
Cisco ASR1000-SIP40 Features 28
Cisco ASR1000-SIP10 High-Availability Features 29
Supported MIBS 29
Command Reference Information 30
CHAPTER 4 Configuring the SIP 31
Configuration Tasks 31
Identifying Slots and Subslots for the SIPs and SPAs 31
Specifying the Slot Location for a SIP 31
Specifying the SIPSubslot Location for a SPA 32
Hardware Module Scheduling Commands 33
Ingress Scheduling 34
Resetting a SIP 34
CHAPTER 5 Troubleshooting the SIP 37
General Troubleshooting Information 37
Interpreting Console Error Messages 37
Using debug Commands 37
Using show Commands 38
Using the Cisco IOS Event Tracer to Troubleshoot Problems 38
Preparing for Online Insertion and Removal of a SIP and SPAs 38
Preparing for Online Removal of a SIP 39
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
iv OL-14127-17
Contents

Deactivating a SIP 39
Reactivating a SIP 40
Verifying the Deactivation and Activation of a SIP 40
Preparing for Online Removal of a SPA 41
Deactivating a SPA 42
Choosing the Mode of the hw-module subslot Command 42
Reactivating a SPA 43
Verifying the Deactivation and Activation of a SPA 44
Deactivation and Activation Configuration Examples 44
Deactivation of a SIP Configuration 44
Activation of a SIP Configuration 45
Deactivation of a SPA Configuration 45
Activation of a SPA Configuration Example 45
CHAPTER 6 Overview of the ATM SPAs 47
Release History 47
Supported Features 48
Basic Features 48
SONET/SDH Error, Alarm, and Performance Monitoring 49
Layer 2 Features 50
Layer 3 Features 51
High-Availability Features 51
Restrictions 52
Supported MIBs 53
SPA Architecture 54
Path of Cells in the Ingress Direction 54
Path of Packets in the Egress Direction 55
Displaying the SPA Hardware Type 56
Displaying Over-Subscription Counters 56
Overview 56
Old Behavior 56
New Behavior 57
Example of the show controllers Command 57
CHAPTER 7 Configuring the ATM SPAs 59
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS XE
Everest 16.5
OL-14127-17 v
Contents

Configuration Tasks 59
Required Configuration Tasks 59
Required Configuration Tasks 61
Specifying the Interface Address on a SPA 62
Modifying the Interface MTU Size 62
Interface MTU Configuration Guidelines 63
Interface MTU Configuration Task 64
Verifying the MTU Size 65
Creating a Permanent Virtual Circuit 66
Verifying a PVC Configuration 69
Creating a PVC on a Point-to-Point Subinterface 69
Configuring a PVC on a Multipoint Subinterface 71
Verifying a Multipoint PVC Configuration 73
Configuring a Range of PVCs on a Multipoint Subinterface 73
Configuring Traffic Parameters for PVCs 75
Verifying the Traffic Parameter Configuration 77
Configuring Virtual Circuit Classes 78
Verifying the Virtual Circuit Class Configuration 80
Configuring SONET and SDH Framing 80
Verifying the SONET and SDH Framing Configuration 81
Configuring AToM VP Cell Mode Relay Support 82
VP Mode Configuration Guidelines 83
VP Mode Configuration Example 83
Verifying ATM Cell Relay VP Mode 83
Configuring PPPoEoA on ATM SPAs 84
Saving the Configuration 84
Shutting Down and Restarting an Interface on a SPA 84
Verifying the Interface Configuration 86
Verifying Per-Port Interface Status 86
Monitoring Per-Port Interface Statistics 87
Configuration Examples 87
Basic Interface Configuration Example 88
MTU Configuration Example 88
PVC on a Point-to-Point Subinterface Configuration Example 88
PVC Ranges on a Multipoint Subinterface for PPPoEoA Configuration Example 89
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
vi OL-14127-17
Contents

AToM VP Cell Mode Relay Configuration Example 89
PPPoEoA VC Class and PVC Range Configuration Example 89
SONET and SDH Framing Configuration Example 90
CHAPTER 8 Troubleshooting the ATM SPAs 91
General Troubleshooting Information 91
Interpreting Console Error and System Messages 91
Using debug Commands 92
General debug Commands 92
ATM debug Commands 92
Using show Commands 93
Performing Basic Interface Troubleshooting 93
Using the ping Command to Verify Network Connectivity 95
Displaying Additional ATM SPA Data 95
Displaying ATM SPA Hardware Information 95
Displaying Information About PVCs 96
Using loopback Commands 97
Using the loopback diagnostic Command to Create a Local Loopback 97
Examples 99
Using the loopback line Command 99
Using the Cisco IOS Event Tracer to Troubleshoot Problems 100
Change in Informational Alarm 100
Preparing for Online Insertion and Removal of a SPA 101
CHAPTER 9 Overview of the Ethernet SPAs 103
Release History 103
Supported Features 104
Restrictions 106
Prerequisites for Configuring 1-Port 10-Gigabit Ethernet LAN/WAN PHY SPA 106
Synchronous Ethernet 107
Squelching 108
SSM and ESMC 108
Synchronization Status Message 108
Ethernet Synchronization Messaging Channel 108
Clock Selection Algorithm 109
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS XE
Everest 16.5
OL-14127-17 vii
Contents

Supported MIBs 109
Supported Ethernet SPAs 110
2-Port Gigabit Synchronous Ethernet SPA 110
SPA Architecture 111
Path of a Packet in the Ingress Direction 111
Path of a Packet in the Egress Direction 111
Displaying the SPA Hardware Type 112
Example of the show interfaces Command 112
Overview of LAN/WAN-PHY Controllers 114
Difference Between POS and 10GBASE-W 115
CHAPTER 10 Configuring the Ethernet SPAs 117
Configuration Tasks 117
Required Configuration Tasks 117
Specifying the Interface Address on a SPA 119
Modifying the MAC Address on an Interface 120
Verifying a MAC Address 120
Gathering MAC Address Accounting Statistics 121
Configuring the Hot Standby Router Protocol 121
Verifying HSRP 121
Modifying the Interface MTU Size 121
Interface MTU Configuration Guidelines 122
Interface MTU Configuration Task 122
Verifying the MTU Size 123
QoS Classification 123
Port-Level or Physical-Level QoS Classification 126
Configuring the Encapsulation Type 127
Configuring the Autonegotiation on an Interface 127
Disabling Autonegotiation 127
Configuring Speed and Duplex 128
Configuring the Media Type 128
Enabling Autonegotiation 129
Configuring a Subinterface on a VLAN 129
VLAN Classification 130
Addition of Warning Message when Enabling VLAN Scale Configuration 130
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
viii OL-14127-17
Contents

Verifying Subinterface Configuration on a VLAN 131
Saving the Configuration 132
Shutting Down and Restarting an Interface on a SPA 132
Verifying the Interface Configuration 133
Verifying Per-Port Interface Status 133
Using show Commands to Check SFP Module and XFP Module Status 133
Configuring the Network Clock for the 2-Port Gigabit Synchronous Ethernet SPA on a Cisco
ASR 1000 Series Router 134
Configuring the Network Clock in Global Configuration Mode 135
Configuring the Network Clock in Interface Configuration Mode 139
Managing Synchronization 140
Sample Configuration 141
Verifying Synchronous Ethernet Configuration 141
Troubleshooting the Synchronous Ethernet Configuration 145
Troubleshooting Scenarios 145
Change in show running-config command output for SPA-4X1FE-TX-V2 SPA 146
Release Number for Behavioral Change 147
Old-Behavior 147
New Behavior 147
Configuring LAN/WAN-PHY Controllers 147
Configuring 1-Port 10-Gigabit Ethernet LAN/WAN PHY SPA 148
Mandatory Initial Configuration Steps 148
Configuring the LAN-PHY Mode 151
Configuring the WAN-PHY Mode 154
Configuring the Flag for Path Trace 158
Configuring Alarm Reporting 161
Configuring WAN-PHY Signal Failure and Signal Degrade Bit Error Rates 165
Prerequisites 165
Configuring the BER and TCA Threshold Values 166
Configuration Examples 169
Basic Interface Configuration 169
MAC Address Configuration 170
MAC Address Accounting Configuration 171
MTU Configuration 172
VLAN Configuration 173
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS XE
Everest 16.5
OL-14127-17 ix
Contents

CHAPTER 11 Troubleshooting the Gigabit Ethernet SPAs 175
Overview 175
General Troubleshooting Information 175
Using debug Commands 176
Using show Commands 176
Performing Basic Interface Troubleshooting 176
Verifying the Interface Is Up 178
Verifying the Line Protocol Is Up 179
Verifying the CRC Counter 179
Verifying the Carrier Signal 179
Understanding SPA Automatic Recovery 180
When Automatic Recovery Occurs 180
If Automatic Recovery Fails 180
Using the Cisco IOS Event Tracer to Troubleshoot Problems 181
Preparing for Online Insertion and Removal of a SPA 181
CHAPTER 12 Overview of the POS SPAs 183
Release History 183
POS Technology Overview 184
Supported Features 185
SONET/SDH Compliance Features 185
SONET/SDH Error, Alarm, and Performance Monitoring Features 185
SONET/SDH Synchronization Features 186
WAN Protocol Features 186
Network Management Features 186
Restrictions 187
Supported MIBs 187
SPA Architecture 188
4-Port OC-3c/STM-1 POS SPA Architecture 189
Path of a Packet in the Ingress Direction 189
Path of a Packet in the Egress Direction 189
2-Port OC-48c/STM-16 POS SPA Architecture 190
Path of a Packet in the Ingress Direction 190
Path of a Packet in the Egress Direction 190
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
xOL-14127-17
Contents

1-Port OC-192c/STM-64 POS/RPR XFP SPA Architecture 191
Path of a Packet in the Ingress Direction 191
Path of a Packet in the Egress Direction 191
Displaying the SPA Hardware Type 192
Example of the show interfaces Command 192
Example of the show controllers Command 193
CHAPTER 13 Configuring the POS SPAs 195
Configuration Tasks 195
Specifying the Interface Address on a SPA 195
Modifying the Interface MTU Size 196
Interface MTU Configuration Guidelines 196
Interface MTU Configuration Task 197
Verifying the MTU Size 197
Modifying the POS Framing 197
Verifying the POS Framing 198
Modifying the Keepalive Interval 199
Verifying the Keepalive Interval 199
Modifying the CRC Size 200
Verifying the CRC Size 200
Modifying the Clock Source 200
Verifying the Clock Source 201
Modifying SONET Payload Scrambling 201
Verifying SONET Payload Scrambling 201
Configuring the Encapsulation Type 202
Verifying the Encapsulation Type 202
Configuring POS Alarm Trigger Delays 202
Path-Level Triggers 202
Verifying POS Alarm Trigger Delays 203
Saving the Configuration 203
Shutting Down and Restarting an Interface on a SPA 204
Verifying the Interface Configuration 204
Verifying Per-Port Interface Status 204
Monitoring Per-Port Interface Statistics 205
Configuration Examples 205
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS XE
Everest 16.5
OL-14127-17 xi
Contents

Basic Interface Configuration Example 205
MTU Configuration Example 206
POS Framing Configuration Example 207
Keepalive Configuration Example 208
CRC Configuration Example 208
Clock Source Configuration Example 209
SONET Payload Scrambling Configuration Example 209
Encapsulation Configuration Example 210
POS Alarm Trigger Delays Configuration Example 210
CHAPTER 14 Overview of the Serial SPAs 211
Release History 211
Supported Features 212
Restrictions 215
Supported MIBs 217
Displaying the SPA Hardware Type 219
Examples of the show interfaces Command 219
Examples of the show controllers Command 220
CHAPTER 15 Configuring the 8-Port Channelized T1/E1 Serial SPA 223
Configuration Tasks 223
Required Configuration Tasks 223
Setting the Card Type 224
Enabling the Interfaces on the Controller 225
Verifying Controller Configuration 226
Setting the IP Address 227
Verifying Interface Configuration 227
Specifying the Interface Address on a SPA 228
Optional Configurations 228
Configuring Framing 228
Verifying Framing Configuration 229
Configuring Encapsulation 229
Verifying Encapsulation 230
Configuring the CRC Size for T1 230
Verifying the CRC Size 231
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
xii OL-14127-17
Contents

Configuring FDL 231
Verifying FDL 232
Invert Data on the T1/E1 Interface 232
Verifying Invert Data on the T1/E1 Interface 233
Changing a Channel Group Configuration 233
Configuring QoS Features on Serial SPAs 233
Saving the Configuration 233
Verifying the Interface Configuration 234
Verifying Per-Port Interface Status 234
Configuration Examples 234
Framing and Encapsulation Configuration Example 234
CRC Configuration Example 235
Facility Data Link Configuration Example 235
Invert Data on the T1/E1 Interface Example 236
CHAPTER 16 Configuring the 2-Port and 4-Port Channelized T3 SPAs 237
Configuration Tasks 237
Required Configuration Tasks 237
Configuring the T3 Controller 238
Configuring the Logical T1 Interfaces 239
Verifying T3 Controller Configuration 240
Verifying Interface Configuration 241
Specifying the Interface Address on a SPA 242
Optional Configurations 243
Configuring Data Service Unit Mode 243
Verifying DSU Mode 244
Configuring Maintenance Data Link 244
Verifying MDL 245
Configuring Encapsulation 246
Verifying Encapsulation 247
Configuring T3 Framing 247
Verifying Framing 247
Configuring FDL 248
Verifying FDL 248
Configuring Scramble 249
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS XE
Everest 16.5
OL-14127-17 xiii
Contents

Verifying Scramble Configuration 249
Saving the Configuration 250
Verifying the Interface Configuration 250
Verifying Per-Port Interface Status 250
Configuration Examples 251
DSU Configuration Example 252
MDL Configuration Example 252
Encapsulation Configuration Example 252
Framing in Unchannelized Mode Configuration Example 253
Facility Data Link Configuration Example 253
Scrambling Configuration Example 253
Creating a Multilink Bundle Configuration Example 253
Assigning a T1 Interface to a Multilink Bundle Configuration Example 254
CHAPTER 17 Configuring the 2-Port and 4-Port T3/E3 Serial SPA 255
Configuration Tasks 255
Required Configuration Tasks 255
Setting the Card Type 256
Setting the IP Address 256
Verifying Controller Configuration 257
Verifying the Interface Configuration 258
Specifying the Interface Address on a SPA 259
Optional Configurations 259
Configuring Data Service Unit Mode 259
Verifying DSU Mode 261
Configuring Maintenance Data Link 261
Verifying MDL 264
Configuring Scramble 264
Verifying Scramble Configuration 265
Configuring Framing 265
Verifying Framing Configuration 266
Configuring Encapsulation 267
Verifying Encapsulation 267
Configuring Cable Length 268
Verifying Cable Length Setting 268
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
xiv OL-14127-17
Contents

Configuring Invert Data 269
Verifying Invert Data Setting 269
Configuring the Trace Trail Buffer 269
Verifying TTB Settings 270
Configuring QoS Features on Serial SPAs 270
Saving the Configuration 270
Verifying the Interface Configuration 271
Verifying the Per-Port Interface Status 271
Monitoring the Per-Port Interface Statistics 271
Configuration Examples 272
DSU Configuration Example 272
MDL Configuration Example 273
Scrambling Configuration Example 273
Framing Configuration Example 273
Encapsulation Configuration Example 274
Cable Length Configuration Example 274
Invert Data Configuration Example 274
Trace Trail Buffer Configuration Example 275
CHAPTER 18 Configuring the 4-Port Serial Interface SPA 277
Configuration Tasks 277
Configuring the 4-Port Serial Interface SPA 277
Verifying the Configuration 278
Using show Commands 278
Verification Examples 279
Using the ping Command to Verify Network Connectivity 281
Using loopback Commands 282
Specifying the Interface Address on a SPA 282
Optional Configurations 283
Configuring Timing Signals 283
Inverting the Clock Signal 284
Configuring NRZI Format 285
Configuring Cyclic Redundancy Checks 285
Configuring Encapsulation 286
Verifying Encapsulation 286
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS XE
Everest 16.5
OL-14127-17 xv
Contents

Saving the Configuration 287
Verifying the Interface Configuration 287
Verifying the Per-Port Interface Status 287
Configuration Examples 288
Inverting the Clock Signal Configuration Example 288
NRZI Format Configuration Example 288
Cyclic Redundancy Checks Configuration Example 288
Encapsulation Configuration Example 288
Distributed Multilink PPP Configuration Example 289
CHAPTER 19 Configuring the 1-Port Channelized OC-3/STM-1 SPA and 1-Port Channelized OC-12/STM-4
SPA 291
Restrictions for Configuring the 1-Port Channelized OC-12/STM-4 SPA 291
Configuration Tasks 291
Specifying the Physical Address for Controller and Interface Configuration 292
Naming the Interface 292
Required Configuration Tasks 293
Configuring the Controller for the SONET Mode and the SDH Mode 293
Configuring the SONET Mode 294
Configuring the SDH Mode 295
Configuring the Channelized DS3 Mode 297
Configuring DS1 (Channelized T3 mode) 299
Configuring E1 (Channelized T3/E3 mode) 301
Configuring the Unchannelized E3 Serial Interface 303
Verifying the Interface Configuration 304
Optional Configurations 305
Configuring the Encapsulation Method 305
Configuring the CRC Size for T1 306
Configuring FDL 307
Verifying FDL 308
Configuring FRF.12 309
Configuring Multilink Point-to-Point Protocol (Hardware-Based on the QFP) 309
MLPPP Configuration Guidelines 309
Creating a Multilink Bundle 309
Assigning an Interface to a Multilink Bundle 310
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
xvi OL-14127-17
Contents

Configuring Fragmentation Size and Delay on an MLPPP Bundle 311
Disabling Fragmentation on an MLPPP Bundle 312
Configuring LFI 312
LFI Configuration Guidelines 313
Inverting Data on the T1/E1 Interface 314
Changing a Channel Group Configuration 315
Configuring BERT 315
BERT Test Configuration Guidelines 315
BERT Pattern Descriptions 316
Saving the Configuration 318
Verifying Interface Configuration 318
Verifying Per-Port Interface Status 318
Configuration Examples 320
Example of T3 Framing Configuration 320
Example of Cyclic Redundancy Check Configuration 320
Example of Facility Data Link Configuration 321
Example of Invert Data on T1/E1 Interface 321
CHAPTER 20 Troubleshooting the Serial SPAs 323
General Troubleshooting Information 323
Interpreting Console Error Messages 323
Using debug Commands 324
Using show Commands 324
Performing Basic Interface Troubleshooting 324
Serial Lines: show interfaces serial Status Line Conditions 324
Serial Lines: Increasing Output Drops on Serial Link 331
Serial Lines: Increasing Input Drops on Serial Link 332
Serial Lines: Increasing Input Errors in Excess of 1 Per Cent of Total Interface Traffic 332
Serial Lines: Troubleshooting Serial Line Input Errors 333
Serial Lines: Increasing Interface Resets on Serial Link 336
Serial Lines: Increasing Carrier Transitions Count on Serial Link 337
Using Bit Error Rate Tests 338
Configuring a BER Test 339
Viewing a BER Test 340
Interpreting BER Test Results 340
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS XE
Everest 16.5
OL-14127-17 xvii
Contents

Using loopback Commands 341
Verifying Loopback Mode 342
Using the Cisco IOS Event Tracer to Troubleshoot Problems 343
Preparing for Online Insertion and Removal of a SPA 343
CHAPTER 21 Overview of the Cisco WebEx Node for the Cisco ASR 1000 Series Routers 345
Release History 345
Overview of the Cisco WebEx Node SPA Environment 346
Cisco WebEx Node Management System 347
Supported Features 348
Restrictions 349
Supported MIBs 350
Displaying the SPA Hardware Type 350
Example of the show interfaces service-engine Command 351
Example of the show hw-module subslot service-engine status Command 351
CHAPTER 22 Configuring the Cisco WebEx Node for the ASR 1000 Series Aggregation Services
Routers 353
Prerequisites 353
Registering with the WebEx Data Center and the Cisco WebEx Node Management
System 353
Obtaining an Account in the Cisco WebEx Node Management System 354
Registering a Cisco WebEx Node SPA in the Cisco WebEx Node Management
System 355
Completing the Cisco WebEx Node SPA Configuration Prerequisites 356
Configuration Tasks 357
Specifying the Service Engine Interface Address on the Cisco WebEx Node SPA 357
Configuring the Virtual Service Engine Interface 358
Virtual Service-Engine Interface Configuration Guidelines 358
What To Do Next 361
Saving the Configuration 361
Shutting Down and Removing the Cisco WebEx Node SPA 361
Verifying the Service Engine Configuration 362
Showing Cisco WebEx Node SPA Settings and Activity 362
Showing Service Engine Status 363
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
xviii OL-14127-17
Contents

Configuring the WebEx Node 364
Configuring the WebEx Node Using a USB Memory Stick as a Backup 364
Configuring the WebEx Node Using a USB Memory Stick as a Backup 368
Configuring the WebEx Node from the Bootflash 372
Configuring the WebEx Node from the Bootflash 376
Configuration Examples 380
CHAPTER 23 Troubleshooting the Cisco WebEx Node for the ASR 1000 Series Aggregation Services
Routers 381
General Troubleshooting Information 381
Interpreting Console Error and System Messages 381
Using show Commands 382
show Commands to Display Cisco WebEx Node SPA Status 382
show Commands to Display Cisco WebEx Node SPA IDPROM 382
show Command to Display Cisco WebEx Node SPA Service Engine Status 382
show Command to Display Cisco WebEx Node SPA FPD version 383
show Command to Display Cisco WebEx Node SPA Error Messages on the RP Console
383
Accessing the SIP and SPA Consoles for Troubleshooting 383
Accessing the SIP Console 384
Accessing the Cisco WebEx Node SPA Console 384
Prerequisites 384
Opening the Cisco WebEx Node SPA Console 384
Listing the Available Cisco WebEx SPA Console Commands 385
Exiting the Cisco WebEx Node SPA Console 385
Handling TraceBack and Core Dump Files on the Cisco WebEx Node SPA 385
Collecting Core Dump Files for the Cisco WebEx Node SPA 386
Collecting Traceback Information for the Cisco WebEx Node SPA 387
Performing Basic Troubleshooting 389
Troubleshooting Booting Failures 389
Troubleshooting Longer Booting Times in the Cisco WebEx Node SPA 389
Troubleshooting the Cisco WebEx Node SPA in an Out-of-Service State 391
Troubleshooting Hardware Failures 392
Troubleshooting Service Engine Application Status Errors 393
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS XE
Everest 16.5
OL-14127-17 xix
Contents

Using the ping Command from the Cisco ASR 1000 Series Aggregation Services Router
to Verify Network Connectivity 394
Using the Cisco IOS Event Tracer to Troubleshoot Problems 395
Preparing for Online Insertion and Removal of a SPA 395
CHAPTER 24 Overview of the Cisco DSP SPA for the ASR 1000 Series Aggregation Services Routers 397
Release History 397
Prerequisites 398
Rules for Installing SPA-DSP 398
Overview of the Cisco DSP SPA 399
High-Level System Details 399
Understanding Codecs and Maximum Channels Supported 399
Supported Features 401
Inband DTMF Interworking 401
Managing Jitters for Voice Packets 402
Comfort Noise and Voice Activity Detection (VAD) 402
Restrictions 403
Introduction to RTCP 403
Understanding the RTCP Packet Types 403
Restrictions 404
Terminating and Generating the RTCP by the SPA-DSP 404
Supported MIBs 404
CHAPTER 25 Configuring the Cisco DSP SPA for the ASR 1000 Series Aggregation Services Routers 407
Voice Transcoding Overview 407
DSP Farm Profiles 407
Configuration Tasks 408
Prerequisites 408
Configuring a DSP Farm Profile 408
What to Do Next 410
Enabling or Disabling Voice Activity Detection (VAD) 410
Change in Command Output During Call Recovery 412
Configuring the RTCP on the SPA-DSP 413
Configuring the RTCP on the SPA-DSP on the Cisco Unified Border Element for the Unified
Model 413
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
xx OL-14127-17
Contents