Cisco Cisco Tunnel Terminating Gateway (TTG) 故障排查指南
Troubleshooting the System
Detecting Faulty Hardware Using Component LEDs ▀
Cisco ASR 5000 Series System Administration Guide ▄
OL-22969-02
Color
Description
Troubleshooting
None
Card in Ready ModeORCard is
not receiving power OR Card
in Active Mode
not receiving power OR Card
in Active Mode
This is normal prior to configuration. Neither the Active nor Standby LEDs on
the card is on.
the card is on.
Verify that the RUN/FAIL LED is green. If so, the card is receiving power and
POST test results are positive. If it is off, refer to the Ethernet 10/100 and
Ethernet 1000/QGLC RUN/FAIL LED States section of this chapter for
troubleshooting information.
POST test results are positive. If it is off, refer to the Ethernet 10/100 and
Ethernet 1000/QGLC RUN/FAIL LED States section of this chapter for
troubleshooting information.
Check the state of the Active LED. If it is green, the card is in standby mode.
If needed, refer to the Manually Initiating a Line Card Switch section in this
chapter for information on configuring the card to serve as a redundant
component.
If needed, refer to the Manually Initiating a Line Card Switch section in this
chapter for information on configuring the card to serve as a redundant
component.
Ethernet 10/100 and Ethernet 1000/QGLC Interface Link LED States
The Link LEDs, associated with a particular network interface on the Ethernet 10/100 and Ethernet 1000/QGLC Line
Cards, indicate the status of the network link. These LEDs should be green for normal operation.
Cards, indicate the status of the network link. These LEDs should be green for normal operation.
The possible states for this LED are described in the following table. If the LED is not green, use the troubleshooting
information in the table to diagnose the problem.
information in the table to diagnose the problem.
Table 44.
Ethernet 10/100 and Ethernet 1000 Interface Link LED States
Color
Description
Troubleshooting
Green
Link is up
None needed.
Important:
This LED will not indicate the presence of a network link until the
interface parameters are set during the software configuration process.
None
No power to
cardORLink is
down
cardORLink is
down
Verify that the RUN/FAIL LED is green. If so, the card is receiving power. If it is off,
refer to Ethernet 10/100 and Ethernet 1000/QGLC RUN/FAIL LED States section for
troubleshooting information.
refer to Ethernet 10/100 and Ethernet 1000/QGLC RUN/FAIL LED States section for
troubleshooting information.
Verify that the interface is cabled properly.
Verify that the device where the interface is connected to is cabled and powered
properly.
properly.
Check the cable for continuity.