Maintaining The M10I Cooling System - Juniper M10i Hardware Manual

M10i Multiservice Edge Router Hardware Guide
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Maintaining the M10i Cooling System

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The Compact Forwarding Engine Board (CFEB) or Enhanced Compact Forwarding Engine
Board (CFEB-E) installs into the rear of the chassis, as shown in Figure 2 on page 6. To
maintain the CFEB or CFEB-E, perform the following procedures regularly:
Check the system logging messages on the management console. The CFEB or CFEB-E
notifies the Routing Engine of any errors it detects during normal operation.
Issue the CLI
show chassis cfeb
example) or the CFEB-E (second output example).
user@host> show chassis cfeb
CFEB status:
State
Intake Temperature
Exhaust Temperature
CPU utilization
Interrupt utilization
Heap utilization
Buffer utilization
Total CPU DRAM
Internet Processor II
Start time:
Uptime:
CFEB E status:
State
Intake Temperature
Exhaust Temperature
CPU utilization
Interrupt utilization
Heap utilization
Buffer utilization
Total CPU DRAM
Internet Processor II
Start time:
Uptime:
For a description of the output from the command, see the Junos OS System Basics
and Services Command Reference.
Configuring CFEB Redundancy on the M10i Router
Installing an M10i CFEB or CFEB-E on page 105
M10i CFEB and CFEB-E LEDs on page 14
Troubleshooting the M10i CFEB and CFEB-E on page 90
For optimum cooling, verify the condition of the fans.
The fan trays install into the rear of the chassis, as shown in Figure 2 on page 6. To check
the status of the fans in the fan trays, issue the
output includes an entry for each fan, as shown in this example:
command to check the status of the CFEB (first output
Online
27 degrees C / 80 degrees F
33 degrees C / 91 degrees F
3 percent
0 percent
8 percent
21 percent
128 MB
Version 1, Foundry IBM, Part number 164
2003-06-11 11:41:22 PDT
1 hour, 39 minutes, 31 seconds
Online
27 degrees C / 80 degrees F
33 degrees C / 91 degrees F
3 percent
0 percent
8 percent
21 percent
128 MB
Version 1, Foundry IBM, Part number 164
2003-06-11 11:41:22 PDT
1 hour, 39 minutes, 31 seconds
show chassis environment
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