|
|
This chapter describes how to troubleshoot the Catalyst 5000 series switch hardware installation.
If your system has problems starting up, use the information in this chapter to help isolate the cause. Problems with the initial startup are often caused by a switching module that has become dislodged from the backplane or a power supply that has been disconnected from the power cord connector. Although temperature conditions above the maximum acceptable level rarely occur at initial startup, environmental monitoring functions are included because they also monitor DC-line voltages.
When the initial system boot is complete, verify the following:
If each of these conditions is met and the hardware installation is complete, refer to the Catalyst 5000 Series Software Configuration Guide and the Catalyst 5000 Series Command Reference publication to troubleshoot the software. However, if any of these conditions are not met, use the procedures in this chapter to isolate and, if possible, resolve the problem.
The key to success when troubleshooting the system is to isolate the problem to a specific system component. The first step is to compare what the system is doing to what it should be doing. Because a startup problem can usually be attributed to a single component, it is more efficient to isolate the problem to a subsystem rather than troubleshoot each separate component in the system.
The switch consists of the following subsystems:
When you start the switch for the first time, follow the startup procedure described in the section "Powering On and Verifying System Operation" in Chapter 4, "Installing the Switch." The startup procedure contains a more detailed description of the normal startup sequence and describes what to do if the system does not perform the sequence as expected.
LEDs indicate all system states in the startup sequence. By checking the LEDs, you can determine when and where the system failed in the startup sequence.
When you turn the power supplies ON (or connect the power cords to the Catalyst 5002), the following should occur:
Step 1 You should immediately hear the system fan assembly begin to operate. If you do not, go to the section "Troubleshooting the Power Supply" in this chapter. If you determine that the power supplies are functioning normally and that the fan assembly is faulty, contact a customer service representative. If the system fan assembly does not function properly at initial startup, there are no installation adjustments that you can make. To replace the fan assembly, see Chapter 7, "Removal and Replacement Procedures."
Catalyst 5002--The fan assembly is not an FRU. If the fan is not operating, shut down the system immediately and contact your customer service representative.
Step 2 Check that the power supply LEDs on the supervisor engine at the left of the chassis go on as follows:
Catalyst 5002--The power supplies are not FRUs. If the power supply LEDs on the supervisor engine do not go on, contact your customer service representative.
Step 3 Check that the LEDs on the supervisor engine go on as follows:
If any LEDs on the supervisor engine front panel are red or orange, go to the section "Troubleshooting Modules" in this chapter.
Step 4 Verify that the STATUS LED on the supervisor engine and on each switching module is green when the supervisor engine completes initialization. This LED indicates that the supervisor engine or switching modules are receiving power, have been recognized by the supervisor engine, and contain a valid Flashcode version. However, this LED does not indicate the state of the individual interfaces on the switching modules. If a STATUS LED is red or orange, go to the section "Troubleshooting Modules" in this chapter.
Step 5 If the boot information and system banner are not displayed, see Chapter 4, "Installing the Switch," to verify that the terminal is set correctly and that it is connected properly to the supervisor engine CONSOLE port.
Perform these steps to help isolate a power subsystem problem:
Step 1 Are the PS1 LEDs on the supervisor engine on?
If the appropriate LED is on, the AC or DC source is good, and the power supply is functional.
If the appropriate LED is off, first ensure that the power supply is flush with the back of the chassis. Turn the power switch OFF, tighten the captive installation screw(s), and then turn the power switch ON.
If the appropriate LED remains off, there might be a problem with the AC source, the DC circuit, or the power cable.
Turn OFF the power to the switch, connect the power cord to another power source if one is available, and turn the power ON.
If the appropriate LED then goes on, the problem is the first power source.
If the LED fails to go on after you connect the power supply to a new power source, replace the power cord, and turn the switch ON.
If the LED then goes on, return the first power cord for replacement.
If the LED still fails to go on when the switch is connected to a different power source with a new power cord, the power supply is probably faulty.
If a second power supply is available, install it in the second power supply bay, and contact a customer service representative for further instructions.
Step 2 Is the PS2 LED on for the second (redundant) power supply?
If the PS2 LED is not on, repeat the previous procedure to troubleshoot the second power supply.
If you are unable to resolve the problem, or if you determine that either a power supply or backplane connector is faulty, contact a customer service representative for instructions.
Perform these steps to help isolate a fan assembly problem:
Step 1 Is the FAN LED on the supervisor engine green?
If it is not, see the section "Problem Solving to the System Component Level" in this chapter to determine whether the power subsystem is functioning properly.
If it is red, the fan assembly is not seated in the backplane or has malfunctioned.
To ensure that the fan assembly is seated properly, loosen the captive installation screws, remove the fan assembly, and reinstall it.
Tighten all captive installation screws, and then restart the system.
Step 2 Is the FAN LED still red?
If yes, the system detects a fan assembly failure. Contact a customer service representative for instructions.
Check the following items to help isolate a supervisor engine or switching module problem:
Step 1 Are all STATUS LEDs on?
Step 2 Are any STATUS LEDs on the supervisor engine or any switching modules red?
If yes, the module might have shifted out of its slot.
Reseat the module until both ejector levers are at a 90-degree orientation to the rear of the chassis. Tighten the captive installation screws at the left and right of the module front panel, and restart the system.
If the STATUS LED on a switching module is red, the module might be busy or disabled. Refer to the Catalyst 5000 Series Software Configuration Guide and the Catalyst 5000 Series Command Reference publication to configure or enable the interfaces. After the system reinitializes the interfaces, the STATUS LED on the module should be green.
If you still experience trouble with the startup, contact a customer service representative
for assistance.
If you are unable to solve a startup problem after using the troubleshooting suggestions in this chapter, contact a customer service representative for assistance and further instructions. Before you call, have the following information ready to help your service provider assist you as quickly as possible:
|
|