Installation guide

18-14
Cisco 10000 Series Routers Line Card Hardware Installation Guide
OL-6773-04
Chapter 18 Troubleshooting the Installation
Fast Ethernet and Gigabit Ethernet Line Card Troubleshooting Information
With the cable
connected and the
line card configured
under Cisco IOS, the
LINK LED does not
illuminate.
The cable is not seated correctly. Unplug and replug the cable. — Y Y
The optical fiber cable is
plugged in backwards.
Verify that the transmit of the far
end is plugged into the receive of
the Cisco 10000 equipment and
vice versa.
The GBIC module or SFP
module was not fully inserted or
was seated improperly.
Reinstall the GBIC module or SFP
module.
The optical fiber cable is dirty. Clean the fiber on both ends. See
the “Cleaning the Fiber-Optic
Connections” section on
page 18-24.
The equipment at the far end of
the optical fiber cable is not
operational.
Verify that the far end is enabled
and actively sending a signal
down the cable.
The equipment at the far end is
shut down.
Enable the far end port.
Negotiation is not configured
properly.
Reconfigure negotiation on both
sides.
The port is shutdown. Enable the port.
The optical fiber cable is the
incorrect type.
Use the correct type of optical
fiber cable for GBIC module or
SFP module installed.
Far-end optics do not match the
line card optics.
Make sure the far-end optics
match the optics being used on the
Cisco 10000 line card.
The optical fiber cable is too
long.
If the optical fiber cable is longer
than the standards allow, use a
standards-compliant length of
optical fiber cable for the GBIC
module or SFP module being
used.
Table 18-3 Troubleshooting Fast Ethernet and Gigabit Ethernet Line Cards (continued)
Symptom Possible Cause Corrective Action
Fast
Ethernet
Gigabit
Ethernet
Half
Height
Gigabit
Ethernet