Cisco 3030 - Manual (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