Cisco Cisco Packet Data Interworking Function (PDIF) Guía De Administador
Session Recovery
▀ Configuring the System to Support Session Recovery
▄ Cisco ASR 5000 System Administration Guide
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Enabling Session Recovery on an In-Service System
When enabling session recovery on a system that already has a saved configuration, the session recovery commands are
automatically placed before any service configuration commands in the configuration file.
automatically placed before any service configuration commands in the configuration file.
To enable the session recovery feature on an in-service system, follow the procedure below. This procedure assumes
that you begin at the Exec mode prompt.
that you begin at the Exec mode prompt.
Step 1
At the Exec mode prompt, verify that the session recovery feature is enabled via the session and feature use licenses on
the system by running the show license info command:
the system by running the show license info command:
Important:
If the current status of the Session Recovery feature is Disabled, You cannot enable this feature
until a license key is installed in the system.
Step 2
Use the following configuration example to enable session recovery.
configure
require session recovery
end
Important:
This feature does not take effect until after the system has been restarted.
Step 3
Save your configuration as described in Verifying and Saving Your Configuration.
Step 4
Perform a system restart by entering the reload command:
The following prompt appears:
Are you sure? [Yes|No]:
Confirm your desire to perform a system restart by entering yes.
The system, when restarted, enables session recovery and creates all mirrored “standby-mode” tasks, performs packet
processing card reservations, and other operations automatically.
processing card reservations, and other operations automatically.
Step 5
After the system has been restarted, you should verify the preparedness of the system to support this feature as
described in
described in
Important:
More advanced users may opt to simply insert the require session recovery command syntax into
an existing configuration file using a text editor or other means, and then applying the configuration file manually.
Exercise caution when doing this to ensure that this command is placed among the first few lines of any existing
configuration file; it must appear before the creation of any non-local context.
Exercise caution when doing this to ensure that this command is placed among the first few lines of any existing
configuration file; it must appear before the creation of any non-local context.