Juniper MX2020 - Maintaining the MX2020 Ethernet Switch

Replacing an MX2020 MIC | 553
Maintaining the MX2020 Ethernet Switch
Purpose
For optimum router performance, verify the status of the Gigabit Ethernet ports connected to MPC devices.
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:
user@host> show chassis ethernet-switch
Displaying summary for switch 0
Link is down on GE port 0 connected to device: FPC0
Link is down on GE port 1 connected to device: FPC1
Link is down on GE port 2 connected to device: FPC3
Link is down on GE port 3 connected to device: FPC2
Link is down on GE port 4 connected to device: FPC5
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 down on GE port 6 connected to device: FPC6
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
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