46
When the card is operating correctly, the RUN LED flashes, and the ALM LED is off. When the RUN LED
is off, the card fails.
To troubleshoot the card:
1.
Verify that the MPU is operating correctly. For more information, see "
."
2.
Verify that the console terminal prompts that the software version is compatible with the card in the
current slot. If the software version is incompatible with the card, upgrade the software to a
compatible version.
3.
Calculate the overall power consumption, and make sure your power modules can provide
enough power. For more information, see "Appendix B FRUs and compatibility matrixes."
4.
Verify that the card is fully seated. You can unplug the card, plug it again, and press the ejector
levers inward until the ejector levers touch the panel tightly.
5.
If the switch has empty card slots, plug the card into an empty card slot, and verify that the card is
operating correctly.
6.
If the failure persists, contact the local agents or technical support engineers.
Interface failure
The interfaces provided by MPUs and LPUs all have corresponding LEDs. When an interface connected
to the network is operating correctly, the corresponding LED is on.
NOTE:
A management Ethernet interface or XFP interface each has two LEDs, LINK and ACT. The LED mentioned
in this section for such an interface refers to the LINK LED. Each interface of any other type has only one
LED.
If the LED of an interface connected to the network is off, the interface or the connecting cable may fail.
To troubleshoot the interface:
1.
Verify that the MPU or LPU where the interface resides is operating correctly. For more information,
see "
LPU and switching fabric module failure
."
2.
Verify the cable connection of the interface. For how to correctly connect the cable to an Ethernet
interface with an RJ-45 connector or a fiber port, see "Connecting your switch to the network."
3.
Verify that the cable is not broken. Use the cable to connect two interfaces of the same type that are
operating correctly. If the LEDs of the two interfaces are on, the cable is normal. Otherwise, the
cable fails. Use a compliant cable to connect the interface. For more information about the
compliant cables, see "Appendix D Cables."
4.
If the interface uses a transceiver, verify that the interface type is compatible with the transceiver
and that the transceiver is compatible with the cable. For more information, see "Appendix B FRUs
and compatibility matrixes."
5.
If the interface uses a transceiver, make sure the current transceiver operates correctly by replacing
a normal transceiver.
6.
If the interface is a combo interface (containing a fiber port and a copper port), make sure the port
used for connection is activated for the combo interface. Then, use the
undo shutdown
command
to activate the port, and examine the LED.
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