
TroubleshootingDescriptionColor
Verify that the Standby LED on the redundant SMC is also blinking green. If
so, there is an issue with the active SMC. Refer to one or more of the following
to help analyze this problem.
Tasks or processes are being
migrated from the active SMC
to the redundant/secondary
SMC.
Blinking Green
Monitoring the System for show commands, the outputs of which will assist in
further determining the problem.
System Logs for information on how to view logs.
The SNMP MIB Reference for information on associated status and alarm
conditions.
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, the card is not receiving power.
Card is not receiving power
OR
Card is in Standby Mode.
None
Check the state of the Standby LED. If it is green, the card is in standby mode.
If needed, refer to the Configuring Packet Processing Card and Line Card
Availability section of System Settings for information on making the card active.
SMC Standby LED States
The Standby LED on the SMC indicates that software is loaded on the card, but it is serving as a redundant
component. For the SMC installed in slot 9, this LED should be green for normal operation. For the SMC
installed in slot 8, this LED should be off 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.
Table 4: SMC Standby LED States
TroubleshootingDescriptionColor
None needed for the SMC in slot 9. If green for the SMC in slot 8, then verify
it is installed properly according to the instructions in this document.
Card is in redundant mode.Green
Verify that the Active LED on the redundant SMC is also blinking green. If so,
there is an issue with the active SMC. Refer to one or more of the following to
help analyze this problem.
Tasks or processes are being
migrated from the active SMC
to the redundant/secondary
SMC.
Blinking Green
Monitoring the System for show commands, the outputs of which will assist in
further determining the problem.
System Logs for information on how to view logs.
The SNMP MIB Reference for information on associated status and alarm
conditions.
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, the card is not receiving power.
Card is not receiving power.
OR
Card is in Active Mode.
None
Check the state of the Active LED. If it is green, the card is in active mode.
ASR 5000 System Administration Guide, StarOS Release 21.2
6
Troubleshooting
Checking the LEDs on the SMC