System Recovery; Prerequisites; Console Access; Boot Image - Cisco ASR 5500 System Administration Manual

System Recovery

This chapter describes how to recover a system after it has failed to complete a reboot following a power
off cycle or interruption of the normal boot sequence following a reload command.
This system recovery process interrupts subscriber service by dropping any existing flows and preventing
Caution
traffic from being processed during the boot interval. It should only be initiated as an emergency measure.
This chapter includes the following sections:
•
•

Prerequisites

Console Access

Boot Image

The system recovery process will prompt you to enter the path name for the location of the StarOS boot image
from which the system will boot. By default the boot command will timeout and attempt to reload the highest
priority image from flash memory using the default configuration file.
The StarOS software is delivered as a single binary file (.bin file extension) and is loaded as a single instance
for the entire system.
• For StarOS releases prior to 16.1, the image filename is identified by its release version and corresponding
• For StarOS release 16.1 onwards, the image filename is identified by its platform type and release
Prerequisites, page 181
Accessing the boot CLI, page 182
build number. Format = production.build_number.platform.bin.
number. Format = platform-release_number.bin.
C H A P T E R
ASR 5500 System Administration Guide, StarOS Release 21.5
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