Table of Contents
Advertisement
Chapter 3
Troubleshooting
Table 3-1
Symptom
Poor performance or excessive
errors
OL-10694-01
Common Problems and Their Solutions
Possible Cause
Duplex autonegotiation mismatch.
Cabling distance exceeded
Port statistics show excessive
•
frame check sequence (FCS),
late-collision, or alignment
errors.
For 10/100/1000BASE-T
•
connections:
The distance between the
–
port and the attached device
exceeds 328 feet (100
meters).
If the blade switch is
–
attached to a repeater, the
total distance between the
two end stations exceeds the
cabling guidelines.
For SFP port connections:
•
The distance between the
–
SFP module port and the
attached device exceeds the
SFP module cabling
guidelines.
Bad adapter in attached device
Excessive errors found in port
•
statistics.
•
STP checking for possible
loops.
Cisco Catalyst Blade Switch 3040 for FSC Hardware Installation Guide
Diagnosing Problems
Resolution
Refer to the blade switch
software configuration guide for
information on identifying
autonegotiation mismatches.
Refer to the blade switch
•
software configuration
guide for information on
displaying port statistics.
Reduce the cable length to
•
within the recommended
distances.
Refer to your repeater
•
documentation for cabling
guidelines.
Refer to your SFP
•
documentation for cabling
guidelines.
Run adapter card diagnostic
•
utility.
•
Wait 30 seconds for the port
LED to turn green.
3-3
Advertisement
Table of Contents
