Checking The Cooling System Status - Juniper M Series Monitoring And Troubleshooting Manual

Checking the Cooling System Status

Purpose
Action
Sample Output
Copyright © 2012, Juniper Networks, Inc.
For the cooling system to operate properly, the clearance around the chassis must be
sufficient for unobstructed airflow. For clearance and maintenance requirements, see
the appropriate router hardware guide.
To check the cooling system status, use the following operational mode command:
user@host> show chassis environment
For M5 and M10 routers (see also
show chassis environment
user@host>
Class Item
[...Output truncated...]
Fans Left Fan 1
Left Fan 2
Left Fan 3
Left Fan 4
Misc Craft Interface
For M7i routers (see also "M7i Router Cooling System" on page
user@host> show chassis environment
Class Item
[...Output truncated...]
Fans Fan 1
Fan 2
Fan 3
Fan 4
For M10i routers (see also
user@host> show chassis environment
Class Item
[...Output truncated...]
Fans Fan Tray 0 Fan 1
Fan Tray 0 Fan 2
Fan Tray 0 Fan 3
Fan Tray 0 Fan 4
Fan Tray 0 Fan 5
Fan Tray 0 Fan 6
Fan Tray 0 Fan 7
Fan Tray 0 Fan 8
Fan Tray 1 Fan 1
Fan Tray 1 Fan 2
Fan Tray 1 Fan 3
Fan Tray 1 Fan 4
Fan Tray 1 Fan 5
Fan Tray 1 Fan 6
Fan Tray 1 Fan 7
Fan Tray 1 Fan 8
For an M20 router (see also
show chassis environment
user@host>
Class Item
"M5 and M10 Router Cooling Systems" on page
Status Measurement
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK
Status Measurement
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
"M10i Router Cooling System" on page
Status Measurement
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
"M20 Router Cooling System" on page
Status Measurement
Chapter 11: Monitoring the Cooling System
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