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Pre-1 Module Faults - Cisco uBR10012 Troubleshooting Manual

Universal broadband router

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PRE-1 Module Faults

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The PRE-1 module provides the IP routing and forwarding functionality in the Cisco uBR10012 router.

Thus, in a non-redundant PRE-1 configuration, a PRE-1 failure is a system failure. A redundant PRE-1

configuration is recommended because it allows the redundant PRE-1 module to automatically assume

full functionality upon failure of the primary PRE-1 module.

If the PRE-1 module fails, the yellow PRE-1 STATUS LED lights. If this occurs, try the following steps:

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In addition, you should capture any error messages that appear on the console, as well as the state of the

PRE-1 LEDs and alphanumeric display. Then contact the Cisco Technical Assistance Center (TAC).

Figure 3-1

operation of the PRE-1 module.

Cisco uBR10012 Universal Broadband Router Troubleshooting Guide

3-4

Verify that both PRE-1 modules are booting the same version of Cisco IOS software. Slight

variations in the loading of different images could allow the slot B PRE-1 module to boot first.

Reboot the Cisco uBR10012 router

Move the PRE-1 module to the other PRE-1 module slot

Replace the PRE-1 module with a spare module

describes the LED indicators on the PRE-1 faceplate. Use these descriptions to verify the

Chapter 3

Troubleshooting PRE-1 Modules

OL-1237-01

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