Cisco ASR1002 - ASR 1002 Router - Troubleshooting the Network Synchronization Configuration

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Network Synchronization Support

Configuring Network Synchronization

Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide

Troubleshooting the Network Synchronization Configuration

Note Before you troubleshoot, ensure that all the network synchronization configurations are complete.

Table 4 p

rovides information about troubleshooting scenarios that you may encounter while configuring

network synchronization.

Ta b l e 4 Troubleshooting Scenarios

Problem Solution

Clock selection

• Verify that there are no alarms on the interfaces. Use the show

network-clock synchronization detail command to check this.

• Ensure that the nonrevertive configurations are in place.

Incorrect QL values Ensure that there is no framing mismatch with the SSM option.

Main Page

Default Chapter3
- Table of Contents3
Software Packaging and Architecture16
- Related Documentation19
- Obtaining Documentation and Submitting a Service Request20
- Software Packaging on the Cisco ASR 1000 Series Routers21
- Processes Overview26
Using Cisco IOS XE Software31
- Accessing the CLI Using a Router Console31
- Using the Auxiliary Port34
- Using Keyboard Shortcuts35
- Using the History Buffer to Recall Commands35
- Understanding the Command Mode36
- Understanding the Diagnostic Mode37
- Getting Help38
  - Finding Command Options38
- Using the no and Default Forms of Commands41
- Saving Configuration Changes42
- Managing Configuration Files42
- Filtering the Output of the Show and more Commands43
- Powering off a Router44
- Finding Support Information for Platforms and Cisco Software Images44
Console Port, Telnet, and SSH Handling47
- Console Port Overview for the Cisco ASR 1000 Series Routers47
- Console Port Handling Overview47
- Telnet and SSH Overview for the Cisco ASR 1000 Series Routers48
- Persistent Telnet and Persistent SSH Overview48
- Configuring a Console Port Transport Map49
  - Examples49
  - Examples50
- Configuring Persistent Telnet51
- Configuring Persistent SSH54
  - Examples54
  - Examples56
- Viewing Console Port, SSH, and Telnet Handling Configurations57
- Important Notes and Restrictions62
Consolidated Packages and Subpackages Management64
- Running the Cisco ASR 1000 Series Routers: an Overview64
- Software File Management Using Command Sets66
- Managing and Configuring the Router to Run Using Consolidated Packages and Individual Subpackages68
- Upgrading Individual Subpackages80
  - Upgrading a SPA Subpackage81
Software Upgrade Process83
- Contents84
- Prerequisites for Software Upgrade Process84
- ISSU Upgrade for Redundant Platforms84
- Upgrade Process with Service Impact for Nonredundant Platforms158
  - Configuring SSO on a Cisco ASR 1001, Cisco ASR 1002, or Cisco ASR 1004 Router158
  - Using Subpackages for Software Upgrade on a Cisco ASR 1001 Router158
- Feature Information for Software Upgrade Process225
High Availability Overview227
- Contents227
- Finding Feature Information in this Module227
- Hardware Redundancy Overview on the Cisco ASR 1000 Series Routers227
- Software Redundancy on the Cisco ASR 1000 Series Routers228
- Route Processor Redundancy231
- Stateful Switchover231
- Bidirectional Forwarding Detection232
- Ipsec Failover232
- Feature Information for High Availability Overview234
Broadband Scalability and Performance235
- Contents235
- Finding Feature Information in this Module235
- PPP Sessions and L2TP Tunnel Scaling235
  - Restrictions for PPP Sessions and L2TP Tunnel Scaling236
- IP Sessions Scaling237
- Configuring ASR 1000 for High Scalability238
- Configuring the Cisco ASR 1000 Series Router for High Scalability238
- Layer 4 Redirect Scaling238
- Using the Cisco-Avpair="Lcp:interface-Config" RADIUS Attribute241
- Walk-By User Support for PWLAN in ISG243
  - Restrictions for Walk-By Session Support for PWLAN in ISG243
  - ISG Scaling to Support Lite Sessions244
- Feature Information for Broadband Scalability and Performance246
Configuring Cisco License Call Home247
- Contents247
- Finding Feature Information in this Module247
- Prerequisites for Cisco License Call Home247
- Restrictions for Cisco License Call Home247
  - Cisco License Call Home Interface248
- How to Configure Cisco License Call Home249
- Feature Information for Cisco License Call Home256
Configuring Call Home257
- Contents257
- Information about Call Home257
- How to Configure Call Home259
- How to Configure Call Home to Support the Smart Call Home Service283
- Displaying Call Home Configuration Information290
- Examples290
- Default Settings295
- Alert Group Trigger Events and Commands296
- Message Contents298
- Feature Information for Call Home315
Configuring Cisco Right-To-Use License317
- Finding Feature Information317
  - Contents317
  - Prerequisites for Cisco Right-To-Use License317
- Restrictions for Cisco Right-To-Use License317
- Overview318
- Configuration Examples for Right-To-Use Supported Software Licenses321
- Feature Information for Cisco Right-To-Use License329
Contents331
- Gigabit Ethernet Management Interface Overview331
- Gigabit Ethernet Port Numbering331
- Gigabit Ethernet Management Interface Overview332
- Gigabit Ethernet Port Numbering332
  - Viewing the VRF Configuration333
- Common Ethernet Management Tasks333
- Additional References338
Using the Management Ethernet Interface331
- Finding Feature Information in this Module331
Network Synchronization Support341
- Finding Feature Information in this Module341
- Contents341
- Network Synchronization Overview341
- Synchronization Status Message and Ethernet Synchronization Messaging Channel341
  - Network Synchronization Overview342
  - Clock Selection Algorithm345
- Restrictions and Usage Guidelines346
- Configuring Network Synchronization346
- Additional References358
- Feature Information for Network Synchronization Support359
Configuring Bridge Domain Interfaces361
- Finding Feature Information361
  - Contents361
- Restrictions for Bridge Domain Interfaces361
- Information about Bridge Domain Interfaces361
- Creating or Deleting a Bridge Domain Interface366
- Bridge Domain Interface Scalability366
- How to Configure a Bridge Domain Interface366
- Feature Information for Configuring Bridge Domain Interfaces371
Monitoring and Maintaining Multilink Frame Relay373
- Configuring Multilink Frame Relay373
- Contents373
- Feature Overview373
- Finding Feature Information in this Module373
- Configuring Multilink Frame Relay374
- Feature Information for Monitoring and Maintaining Multilink Frame Relay376
Configuring MPLS Layer 2 Vpns377
- Contents377
- Finding Feature Information377
- Overview of L2VPN Interworking377
- L2VPN Interworking Modes378
- Configuring Frame Relay DLCI-To-ATM AAL5SNAP Bridged Interworking382
  - Example: Frame Relay-To-ATM Bridged Interworking on an ATM-PE Router386
  - Example: Frame Relay-To-ATM Bridged Interworking on a Frame Relay-PE Router392
- Gigabit Etherchannel for Virtual Private Wire Service393
  - Supported Modes393
    - Any-To-GEC Mode393
    - GEC Like-To-Like Mode393
  - Restrictions for Gigabit Etherchannel for Virtual Private Wire Service394
- Configuring Gigabit Etherchannel for Virtual Private Wire Service395
- Feature Information for Configuring MPLS Layer 2 Vpns407
  - Rfcs407
  - Technical Assistance407
- Glossary409
Tracing and Trace Management411
- Tracing Overview411
- How Tracing Works411
- Tracing Levels411
- Viewing a Tracing Level411
  - Tracing Levels412
  - Viewing a Tracing Level413
- Setting a Tracing Level414
- Viewing the Content of the Trace Buffer415
Configuring and Accessing the Web User Interface417
- Web User Interface Overview417
- Configuring the Router for Web User Interface Access421
- Authentication and the Web User Interface423
- Domain Name System and the Web User Interface423
- Clocks and the Web User Interface423
- Accessing the Web User Interface424
- Using Auto Refresh425
- Web User Interface Tips and Tricks426
Unsupported Commands427
Appendix A Unsupported Command428
Configuration Examples431
- Tftp Server431
Appendix B Configuration Example432
- Configuring the Router to Boot the Consolidated Package on the TFTP Server432
- Copying the Consolidated Package from the TFTP Server to the Router435
- Configuring the Router to Boot Using the Consolidated Package Stored on the Router436
- Extracting the Subpackages from a Consolidated Package into the same File System437
- Extracting the Subpackages from a Consolidated Package into a Different File System439
- Configuring the Router to Boot Using the Subpackages440
- Backing up Configuration Files444
- Enabling a Second IOS Process on a Single RP Using SSO445
- Issu—Consolidated Package Upgrade449

Cisco ASR1002 - ASR 1002 Router - Troubleshooting the Network Synchronization Configuration

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