When new signatures are replacing older signatures, Cisco IOS IPS provides the ip ips inherit-obsolete-tunings command to enable new signatures to obsolete older signatures and inherit the event-action and enabled parameters of the obsolete tuning values, without the need to manually tune the new signatures. This functionality is called signature tuning inheritance. All other parameter changes including the "Retire" parameter is ignored.
After you enter the command, the screen displays a warning message asking you to clarify the intended usage and then asks whether you accept the configuration or not. By default, old signatures are not inherited by new signatures.
2. configure terminal
3. ip ips inherit-obsolete-tunings
Command or Action
Enables privileged EXEC mode.
Enter your password if prompted.
Router# configure terminal
Enters global configuration mode.
ip ips inherit-obsolete-tunings
Router(config)#ip ips inherit-obsolete-tunings
Enables the inheritance of the tunings of the enabled and event-action parameters from obsolete signatures to new signatures in an IPS,
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