Maintaining And Verifying The Mx2020 Router Version - Juniper MX2020 Hardware Manual

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 output from the command, see the
Command Reference.
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Maintaining and Verifying the MX2020 Router Version

Purpose
Verify the router model, Junos OS version, and system software installed.
Action
On a regular basis:
To display the router system information, issue the show version command. The output is similar to the
following:
user@host> show version
Junos OS System Basics and Services
670