Cisco Systems 1000 Series Network Router User Manual


 
6-6
Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide
OL-16506-17
Chapter 6 High Availability Overview
Route Processor Redundancy
DETAILED STEPS
Example
Router# configure terminal
Router(config)# redundancy
Router(config)# mode SSO
Router(config)# exit
Router# reload
Route Processor Redundancy
Route Processor Redundancy (RPR) allows you to configure a standby RP. When you configure RPR,
the standby RP loads the Cisco IOS software on bootup and initializes itself in standby mode. In the
event of a fatal error on the active RP, the system switches to the standby RP, which reinitializes itself
as the active RP. In this event, the entire system is rebooted, so the switchover with RPR is slower than
with other High Availability switchover features such as Nonstop Forwarding/Stateful
Switchover (NSF/SSO).
Command or Action Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
Enter your password if prompted.
Step 2
configure terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 3
redundancy
Example:
Router(config)# redundancy
Enters redundancy configuration mode.
Step 4
mode SSO
Example:
Router(config)# mode SSO
Configures SSO. When this command is
entered, the redundant supervisor engine is
reloaded and begins to work in SSO mode.
Step 5
exit
Example:
Router(config)# exit
Router #
Exits configuration mode and returns to global
configuration mode.
Step 6
reload
Example:
Router # reload
Reloads IOS.