Contents
v
Catalyst 4500 E-Series Switches Installation Guide
OL-13972-01
Verifying the Installation 4-15
Replacing Backplane Modules 4-15
Verify the New Modules 4-18
Supervisor Memory Upgrade 4-19
Tools and Equipment Needed 4-19
Removing Memory 4-19
Installing SDRAM MiniDIMMs 4-21
CHAPTER
5 Troubleshooting 5-1
System Boot Verification 5-2
Using LEDs to Identify Startup Problems 5-2
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 5-5
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
Ports 1/2 and 2/2 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
