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Maintaining the MX2010 Ethernet Switch

date_range 09-Mar-21

Purpose

For optimum router performance, verify the status of the Gigabit Ethernet ports connected to MPCs.

Action

On a regular basis:

  • Check the LEDs on MPC faceplates. The meaning of the LED states differs for various MICs. For more information, see the MX Series Interface Module Reference.

  • Issue the CLI show chassis ethernet-switch command:

    content_copy zoom_out_map
    user@host> show chassis ethernet-switch
    Displaying summary for switch 0
    Link is good on GE port 0 connected to device: FPC0
      Speed is 1000Mb
      Duplex is full
      Autonegotiate is Enabled
      Flow Control TX is Disabled
      Flow Control RX is Disabled
    
    Link is good on GE port 1 connected to device: FPC1
      Speed is 1000Mb
      Duplex is full
      Autonegotiate is Enabled
      Flow Control TX is Disabled
      Flow Control RX is Disabled
    
    Link is good on GE port 2 connected to device: FPC3
      Speed is 1000Mb
      Duplex is full
      Autonegotiate is Enabled
      Flow Control TX is Disabled
      Flow Control RX is Disabled
    
    Link is good on GE port 3 connected to device: FPC2
      Speed is 1000Mb
      Duplex is full
      Autonegotiate is Enabled
      Flow Control TX is Disabled
      Flow Control RX is Disabled
    
    Link is good on GE port 4 connected to device: FPC5
      Speed is 1000Mb
      Duplex is full
      Autonegotiate is Enabled
      Flow Control TX is Disabled
      Flow Control RX is Disabled
    
    Link is good on GE port 5 connected to device: FPC4
      Speed is 1000Mb
      Duplex is full
      Autonegotiate is Enabled
      Flow Control TX is Disabled
      Flow Control RX is Disabled
    
    Link is good on GE port 6 connected to device: FPC6
      Speed is 1000Mb
      Duplex is full
      Autonegotiate is Enabled
      Flow Control TX is Disabled
      Flow Control RX is Disabled
    
    Link is good on GE port 7 connected to device: FPC7
      Speed is 1000Mb
      Duplex is full
      Autonegotiate is Enabled
      Flow Control TX is Disabled
      Flow Control RX is Disabled
    
    Link is good on GE port 8 connected to device: FPC8
      Speed is 1000Mb
      Duplex is full
      Autonegotiate is Enabled
      Flow Control TX is Disabled
      Flow Control RX is Disabled
    
    Link is good on GE port 9 connected to device: FPC9
      Speed is 1000Mb
      Duplex is full
      Autonegotiate is Enabled
      Flow Control TX is Disabled
      Flow Control RX is Disabled
    
    Link is good on GE port 20 connected to device: Other RE-GigE
      Speed is 1000Mb
      Duplex is full
      Autonegotiate is Enabled
      Flow Control TX is Disabled
      Flow Control RX is Disabled
    
    Link is good on GE port 21 connected to device: RE-GigE
      Speed is 1000Mb
      Duplex is full
      Autonegotiate is Enabled
      Flow Control TX is Disabled
      Flow Control RX is Disabled
    
    Link is down on GE port 22 connected to device: Debug-GigE
    
    Link is good on GE port 23 connected to device: SPMB
      Speed is 1000Mb
      Duplex is full
      Autonegotiate is Enabled
      Flow Control TX is Disabled
      Flow Control RX is Disabled
    
    Link is down on XE port 24 connected to device: SFP+ 0
    
    Link is down on XE port 25 connected to device: SFP+ 1
    
    Link is down on XE port 26 connected to device: RE-10GigE
    
    Link is down on XE port 27 connected to device: Other RE-10GigE
    

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

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