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Enabling High Availability Features
Setting the Config-Register Boot Variable
Though it is not required, we recommend that you modify the software configuration register boot field
so that the system boots the same image that the hw-module slot slot-number image file-spec command
specifies in the
Command
Step 1
Router# show version
Step 2
Router# configure terminal
Step 3
Router(config)# boot system flash
slotslot-number:[imagename]
Step 4
Router(config)# config-register value
Step 5
Router(config)# end
Step 6
Router# reload
Configuring RPR and RPR+
Note
Online removal of the active RSP causes all line cards to reset and reload, which is the equivalent to an
RPR switchover, and results in a longer switchover time. When it is necessary to remove the active RSP
from the system, first issue a switchover command to switch from the active RSP to the standby RSP.
Route Switch Processor (RSP8) Installation and Configuration Guide
46
"Configuring RPR and RPR+" section on page
46.
Purpose
Obtains the current configuration register setting.
Enters global configuration mode.
Specifies the filename of an image stored in Flash
memory.
imagename—It is recommended that you set the
•
boot variable so that the system boots the same
image specified by the hw-module slot
slot-number image file-spec command. See
Step 2
of the
"Configuring RPR and RPR+"
section on page
46.
slot-number—Specifies the active RSP slot
•
where the Flash memory card or Flash Disk is
located. Valid numbers are slot 2 or slot 3 for a
Cisco 7507 router and slot 6 or slot 7 for a
Cisco 7513 router.
Modifies the existing configuration register setting
to reflect the way in which you want to load a system
image.
value—0x0 to 0xFFFFFFFF
Exits global configuration mode and returns you to
privileged EXEC configuration mode.
Resets the router with the new configuration
information.
OL-4920-02
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