Cisco Performance Routing Engine 5 Manual de instalação do hardware - Página 27
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Check the following if a problem appears on one of the PRE modules.
• Is the STATUS LED on the primary PRE green at the end of the boot sequence?
• If no, check the other LEDs on other modules in the chassis. If no other LEDs are on, check for a problem in the power
subsystem, as described in the "Troubleshooting the Power Subsystem" section in the
Router Hardware Installation
• If no, and no other LEDs on the PRE are on but LEDs on other modules are on, remove the PRE from the slot, check for
any bent or broken pins on the backplane connectors, and reinsert it. Ensure that it makes solid contact with the backplane
and is securely locked in by firmly closing both locking levers.
If other LEDs on the PRE modules are on, check the
for additional instructions.
• If no, but the FAIL LED is on (yellow), remove the PRE and reinsert it. If that fails, insert a new PRE. If that fails, contact
Cisco Technical Assistance for assistance.
• Repeat the above steps for the redundant PRE, except that its STATUS LED should remain OFF and its alphanumeric display
should read IOS STBY, if it is operating correctly.
• Verify the status of the internal Ethernet interface (ethernet0/0/0) of the PRE module, which is used for inter-module
communications. If this internal interface is down, it could indicate that the PRE module is not fully seated in its slot or that a
hardware failure has occurred.
Router# show interfaces ethernet 0/0/0
Note
Do not confuse the internal Ethernet interface (ethernet0/0/0) of the PRE module with the external Fast Ethernet
interface (fastethernet0/0/0) of the PRE module, which is used for network management and remote access.
Alarm Temperature Ranges for the Cisco PRE5 Module
The facility-alarm critical exceed-action shutdown command allows you to enable or disable the auto-shutdown feature on the
Cisco uBR10012 router. When auto-shutdown is enabled, the router shuts down automatically when its core or intake temperature
exceeds the critical temperature threshold for 2 minutes.
Table 1: Route Processor Temperature Thresholds
Temperature Sensor
RP Inlet sensor
RP Core die sensor
RP Outlet sensor
TITAN sensor
Table 2: Forward Packet Engine Temperature Thresholds
Temperature Sensor
FP Inlet sensor
Guide.
Minor
45ºC/113ºF
85ºC/185ºF
69ºC/156ºF
82ºC/179ºF
Minor
55ºC/131ºF
Cisco uBR10012 Universal Broadband Router Troubleshooting Guide
Major
55ºC/131F
95ºC/203ºF
79ºC/174ºF
92ºC/197ºF
Major
65ºC/149ºF
Cisco uBR10012 Universal Broadband
Critical
60ºC/140ºF
100ºC/212ºF
82ºC/179ºF
95ºC/203ºF
Critical
70ºC/158ºF
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