Cisco 3030 User Manual download pdf (Page 53)

3-5

Cisco Catalyst Blade Switch 3030 Hardware Installation Guide

OL-8389-01

Chapter 3 Troubleshooting

Diagnosing Problems

Switch does not recognize the

SFP module

The SFP module might be installed

upside down.

The SFP module does not snap into

the slot.

Verify that the SFP module is

not installed upside down.

Remove the SFP module.

Inspect for physical damage to

the connector, the module, and

the module slot.

Replace the SFP module with a

known good SFP module.

The switch port is placed in

error-disabled state after SFP is

inserted

Bad or non-Cisco-approved SFP. Remove the SFP module from

the switch, and replace it with a

Cisco-approved module. Use the

errdisable recovery cause

gbic-invalid global

configuration command to

verify the port status, and enter a

time interval to recover from the

error-disable state.

Refer to the switch command

reference guide for information

on the errdisable recovery

command.

Table 3-1 Common Problems and Their Solutions (continued)

Symptom Possible Cause Resolution

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 71 72

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Cisco 3030 User Manual Page 53