Cisco Line Card 4500 E-Series - Page 5

Contents
v
Catalyst 4500 E-Series Switches Installation Guide
OL-13972-02
Required Tools and Components 4-20
Installing the Remote Power-Cycling Control Wires 4-20
Installing the Ferrite Bead 4-21
CHAPTER 5 Troubleshooting 5-1
System Boot Verification 5-2
Using LEDs to Identify Startup Problems 5-3
System Messages 5-4
Troubleshooting with Software 5-4
Troubleshooting the Power Supply 5-4
System Messages and Power Problems 5-5
Useful CLI Commands 5-6
Power Supply Mixing 5-6
Troubleshooting the Fan Assembly 5-6
System Messages and Fan Problems 5-7
Useful CLI Commands 5-7
Troubleshooting Backplane Modules 5-7
Troubleshooting Switching Modules 5-8
System Messages and Switching Modules 5-9
Useful CLI Commands 5-9
Troubleshooting Supervisor Engines 5-10
System Messages and Supervisor Engines 5-10
Useful CLI Commands 5-12
Standby Supervisor Engine Problems 5-12
Switch Self-reset 5-13
Supervisor Ports Do Not Function 5-13
Packet Loss 5-13
Some Problems and Solutions 5-14
Module Not Online 5-14
Interface Problems 5-15
Workstation Is Unable to Log In to the Network 5-15
NIC Compatibility Issues 5-16
Interface Is in Errdisable 5-16
Faulty Supervisor Engine 5-16
Boot Problems 5-17
Contacting the Cisco Technical Assistance Center 5-18