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{ "lLangCode": "en", "lName": "English", "lCountryCode": "us", "transcode": "en_US" }
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Maintaining the MX2010 SFB

date_range 22-Mar-21

Purpose

For optimum router performance, verify the condition of the SFBs.

Action

On a regular basis:

  • Check the LED on the SFB faceplate.

    During normal operations:

    • The bicolor OK/FAIL LED on the SFB faceplate is lit green steadily.

    • The bicolor OK/FAIL LED on the SFB faceplate is blinking green.

    • The bicolor OK/FAIL red LED on the SFB faceplate is off.

  • Issue the show chassis sfb command to display information about the SFBs. The output is similar to the following:

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user@host> show chassis sfb
Slot  State              Uptime
 0    Online              2 days, 12 hours, 55 minutes, 20 seconds
 1    Online              2 days, 12 hours, 55 minutes, 9 seconds
 2    Online              2 days, 12 hours, 54 minutes, 58 seconds
 3    Online              2 days, 12 hours, 54 minutes, 47 seconds
 4    Online              2 days, 12 hours, 54 minutes, 36 seconds
 5    Online              2 days, 12 hours, 54 minutes, 25 seconds
 6    Online              2 days, 12 hours, 54 minutes, 15 seconds
 7    Online              2 days, 12 hours, 54 minutes, 4 seconds

For further description of the command output, see the Junos OS System Basics and Services Command Reference.

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