! 289
Chapter 21
Monitoring the Host Subsystem
You monitor and maintain the host subsystem (the Routing Engine and the Control
Board) on the routing platform, which provides the routing and system
management functions for the router. (See Table 68.)
Table 68: Checklist for Monitoring the Host Subsystem
This chapter provides basic information about monitoring the host subsystem
components: the Routing Engine and the Control Board. For more detailed
information about monitoring the Routing Engine, see “Monitoring the Routing
Engine” on page 125. For more detailed information about monitoring the Control
Board, see “Monitoring the Control Board” on page 301.
Monitor Host Subsystem Tasks Command or Action
Understanding the Host Subsystem on page 290
! M320 and T320 Router and T640 Routing Node Routing Engines on page 291
! M320 and T320 Router and T640 Routing Node Control Boards on page 292
! Host Subsystem Location on page 294
Checking the Host Subsystem Status on page 295
show chassis craft-interface
Look at the LEDs on the craft interface or the component
faceplate.
Checking the Routing Engine Status on page 297
show chassis routing-engine
show chassis environment routing-engine
Checking the Control Board Status on page 298
show chassis environment cb
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