Maintaining The Mx2020 Ethernet Switch - Juniper MX2020 Hardware Manual

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
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
Reference.
527