Juniper JUNOS - NETWORK OPERATION GUIDE REV1 Network Operation Manual page 16

JUNOS Internet Software Network Operations Guide: Hardware
Part 4
Chapter 21
Chapter 22
Chapter 23
xvi !
Table of Contents
Monitoring M320 and T320 Router and T640 Routing
Node-Specific Components
Monitoring the Host Subsystem
Understanding the Host Subsystem .............................................................290
M320 and T320 Router and T640 Routing Node Routing Engines .........291
M320 Router Routing Engine ..........................................................291
T320 Router and T640 Routing Node Routing Engine .....................291
M320 and T320 Router and T640 Routing Node Control Boards ...........292
M320 Router Control Board ............................................................292
T320 Router Control Board .............................................................292
T640 Routing Node Control Board ..................................................293
Host Subsystem Location.......................................................................294
Checking the Host Subsystem Status............................................................295
Checking the Routing Engine Status.............................................................297
Checking the Control Board Status ...............................................................298
Monitoring the Control Board
Understanding the Control Board.................................................................303
M320 Router Control Board...................................................................303
T320 Router Control Board....................................................................304
T640 Routing Node Control Board .........................................................304
M320, T320 Router, and T640 Routing Node Control Board Location ...305
Monitoring the Control Board Status ............................................................306
Check the Control Board Environmental Status .....................................306
Check the Control Board Status from the Craft Interface .......................307
Checking the Control Board Alarms .............................................................308
Display Control Board Alarms................................................................308
Check the Control Board LEDs...............................................................309
Display Control Board Error Messages in the System Log File ...............309
Display Control Board Error Messages in the Chassis Daemon
Log File ...........................................................................................309
Verifying Control Board Failure ....................................................................310
Check the Control Board Connection .....................................................310
Check the Control Board Fuses ..............................................................311
Perform a Control Board Swap Test.......................................................312
Display the Control Board Hardware Information..................................313
Locate the Control Board Serial Number ID Label ..................................314
Returning the Control Board ........................................................................314
Monitoring the SCGs
Understanding the SCG ................................................................................316
Monitoring the SCG Status............................................................................317
Monitor the SCG Environmental Status..................................................317
Display the SCG LED States at the Command Line ................................318
Look at the SCG LEDs on the Faceplate .................................................319
Determining SCG Mastership .......................................................................319
Display the SCG Master from the Craft Interface Output........................319
Look at the SCG LEDs on the Faceplate .................................................320
Displaying SCG Alarms.................................................................................320
Display Current SCG Alarms ..................................................................320
Display SCG Error Messages in the System Log File...............................321
289
301
315