Reinstalling to a CiscoASR 9000 SeriesRouter from a TFTP Server Image
Restore disk mirroring after the Cisco IOS XR installation is complete using the TURBOBOOT variable.
Note
To restore disk mirroring, use the mirror command in the global configuration mode. For more information
on the mirror command, see the "Boot Commands on Cisco IOS XR Software" module in
Cisco ASR 9000 Series Aggregation Services Router System Management Command Reference.
5 Use the confreg command in the ROM Monitor mode to set all the RSP cards to MBI Validation Boot
Mode or the EXEC mode.
6 On the active RSP, configure the IP parameters (IP_ADDRESS, DEFAULT_GATEWAY,
IP_SUBNET_MASK) for the Management Ethernet interface. These variables are set in ROM Monitor,
and are required to access the TFTP server.
7 On the active RSP, configure the TURBOBOOT environment variable to either clean or format the boot
disk during the installation. The recommended boot device is disk0:.
8 On the active RSP, boot the Cisco IOS XR software from a vm file on the TFTP server.
9 Reset all other RSPs to boot the Cisco IOS XR software.
After you boot the Cisco IOS XR software, the TURBOBOOT process either cleans or formats the boot
Note
device, based on the TURBOBOOT environment variable setting.
10 Restore disk mirroring if it was disabled in
in the global configuration mode. For more information on the mirror command, see the Boot Commands
on Cisco IOS XR Software module in Cisco ASR 9000 Series Aggregation Services Router System
Management Command Reference.
Caution
If the TURBOBOOT variable is set to format the boot device, the default-SDR configuration is deleted
and only the admin configuration is preserved.
Reinstalling to a CiscoASR 9000 SeriesRouter from a TFTP Server Image
Cisco IOS XR software can be reinstalled directly from a vm file located on a TFTP server. Complete the
instructions in this section exactly as described.
Reinstalling to a Cisco ASR 9000 Series Router from a TFTP Server Image
Before You Begin
Before reinstalling Cisco IOS XR software from a TFTP server image, verify that the following prerequisites
have been met:
• ROM Monitor firmware on the Cisco ASR 9000 Series Router is compatible with the Cisco IOS XR
• The following information is available:
Cisco ASR 9000 Series Aggregation Services Router ROM Monitor Configuration Guide, Release 5.1.x
28
software image that you are installing.
"Step
4". To restore disk mirroring, use the mirror command
Router Recovery with ROM Monitor
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