Cisco Cisco Packet Data Gateway (PDG)
Session Recovery
Configuring the System to Support Session Recovery ▀
ASR 5000 System Administration Guide, StarOS Release 18 ▄
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Configuring the System to Support Session Recovery
The following procedures allow you to configure the session recovery feature for either an operational system that is
currently in-service (able to accept incoming calls) or a system that is out-of-service (not part of your production
network and, therefore, not processing any live subscriber/customer data).
currently in-service (able to accept incoming calls) or a system that is out-of-service (not part of your production
network and, therefore, not processing any live subscriber/customer data).
Important:
The session recovery feature, even when the feature use key is present, is disabled by default on the
system.
Enabling Session Recovery
As noted earlier, session recovery can be enabled on a system that is out-of-service (OOS) and does not yet have any
contexts configured, or on an in-service system that is currently capable of processing calls. However, if the system is
in-service, it must be restarted before the session recovery feature takes effect.
contexts configured, or on an in-service system that is currently capable of processing calls. However, if the system is
in-service, it must be restarted before the session recovery feature takes effect.
Enabling Session Recovery on an Out-of-Service System
The following procedure is for a system that does not have any contexts configured.
To enable the session recovery feature on an out-of-service system, follow the procedure below. This procedure
assumes that you begin at the Exec mode prompt.
assumes 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
Step 3
Save your configuration as described in Verifying and Saving Your Configuration.
The system, when started, enables session recovery, creates all mirrored “standby-mode” tasks, and performs packet
processing card reservations and other operations automatically.
processing card reservations and other operations automatically.
Step 4