Contents
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Cisco IOS XR Troubleshooting Guide for the Cisco CRS-1 Router
OL-21483-02
Troubleshooting the Client for the Interface Manager 3-101
Troubleshooting the Rules for the Interface Manager 3-101
Troubleshooting the Control Chain and Interface Information 3-103
Troubleshooting the Registrations for the Interface Manager 3-105
Troubleshooting the Interface Manager Distributor 3-106
Interface Manager Distributor Overview 3-106
Troubleshooting the Trace Logs for the Interface Manager Distributor 3-107
Troubleshooting the Clients for the Interface Manager Distributor 3-107
Troubleshooting the Interface Information for the Interface Manager Distributor 3-108
Troubleshooting the Global Registrations for the Interface Manager Distributor 3-109
Troubleshooting the Rules for the Interface Manager Distributor 3-110
CHAPTER
4 Troubleshooting Router Switch Fabric 4-111
CRS-1 Switch Fabric Overview 4-111
Understanding the Flags Field 4-113
Using the Online Diagnostics Tools 4-115
Verifying and Troubleshooting the Fabric Plane State 4-115
Verifying and Troubleshooting Up Fabric Planes 4-121
Troubleshooting Down Fabric Planes 4-126
Guidelines for Maintenance of Fabric Links 4-130
CHAPTER
5 Troubleshooting Interfaces 5-131
Verifying and Troubleshooting Configured Interfaces 5-131
Verifying and Troubleshooting Pluggable Optical Interfaces 5-139
Troubleshooting Common Issues with Bundle Interfaces 5-144
CHAPTER
6 Troubleshooting the Control Plane Ethernet Network 6-147
Cisco CRS-1 Control Plane Ethernet Network Overview 6-147
Using the Online Diagnostics Tools 6-148
Troubleshooting Booting the System Control Plane Ethernet Network 6-149
Examples 6-151
Troubleshooting the Multishelf System Router Topology 6-153
Examples 6-156
Troubleshooting the Catalyst Switch 6-158
Restrictions 6-158
Troubleshooting the CRS-1, 4-slot, 8-slot, or 16-slot System Router Topology 6-159
Examples 6-162
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