Because the reload command causes the active RSP to go off line and either reload the Cisco IOS XR
software or enter ROM Monitor mode, the router experiences a loss of service unless a redundant standby
RSP is installed and in “ready” state. To display the status of the standby RSP, use the show redundancy
command in EXEC mode.
Caution
SUMMARY STEPS
1.
show redundancy
2.
admin
3.
show variables boot
4.
(Optional) config-register register-value
5.
admin
6.
reload
DETAILED STEPS
PurposeCommand or Action
Displays the RSP redundancy status.show redundancy
Step 1
Example:
RP/0/RSP0/CPU0:router# show
redundancy
• If a standby RSP is in “ready” redundancy state, the reload command also
causes the router to gracefully fail over to the standby RSP.
Enters administration EXEC mode.admin
Example:
RP/0/RSP0/CPU0:router# admin
Step 2
Displays the configuration register setting.show variables boot
Step 3
Example:
RP/0/RSP0/CPU0:router(admin)#
show variables boot
•
Enter this command in administration EXEC mode.
•
For normal operations, the configuration register setting is 0x102 or 0x2102,
which causes the active RSP to reload the Cisco IOS XR software.
•
Verify that the configuration register setting is 0x102 or 0x2102. If it is
not, complete Step 4, on page 121 to reset the configuration register to
0x102 or 0x2102.
For instructions on how to enter ROM Monitor bootstrap mode, see
Cisco ASR 9000 Series Aggregation Services Router ROM Monitor
Guide.
Note
(Optional)
Sets the configuration register to the respective value. This step is necessary
only if the register is not set to the respective value (0x102 or 0x2102) in the
config-register register-value
Example:
RP/0/RSP0/CPU0:router(admin)#
config-register 0x102
Step 4
running configuration. You can use either 0x102 or 0x2102. Both these values
Cisco ASR 9000 Series Aggregation Services Router System Management Configuration Guide, Release 5.1.x
121
Managing the Router Hardware
Reloading the Active RSP
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