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Cisco CRS-1 Series Carrier Routing System Getting Started Guide
Chapter 7 RP Redundancy and Hardware Administration on Cisco IOS XR Software
Reloading, Shutting Down, or Power Cycling a Node
Reloading the Primary RP
The reload command causes the primary RP to reload the Cisco IOS XR software according to the
configuration register setting. The configuration register setting determines how the primary RP acts
when reloaded.
This section contains instructions to reload the Cisco IOS XR software and return to EXEC mode. For
instructions to use the reload command for entering ROM monitor bootstrap mode, see Appendix A,
“ROM Monitor Guide.”
Caution Because the reload command causes the primary RP to go offline and either reload
Cisco IOS XR software or enter ROM monitor mode, the router experiences a loss of service unless a
redundant standby RP is installed and in “ready” state. To display the status of the standby RP, type the
show redundancy command in EXEC mode.
SUMMARY STEPS
1. show redundancy
2. show variables boot
3. (Optional) Reset the configuration register value to 0x2:
a. configure
b. config-register 0x2
c. commit
d. end
4. reload
DETAILED STEPS
Command or Action Purpose
Step 1
show redundancy
Example:
RP/0/RP0/CPU0:router# show redundancy
Displays the RP redundancy status.
• If a standby RP is in “ready” redundancy state, the reload
command also causes the router to gracefully fail over to
the standby RP.
Step 2
show variables boot
Example:
RP/0/RP0/CPU0:router# show variables boot
Displays the configuration register setting.
• For normal operations, the configuration register setting
is 0x2, which causes the primary RP to reload the
Cisco IOS XR software.
• Verify that the configuration register setting is 0x2. If it is
not, complete Step 3 to reset the configuration register to
0x2.
Note For instructions on how to enter ROM monitor
bootstrap mode, see Appendix A, “ROM Monitor
Guide.”
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