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|Oracle Solaris Administration: Network Interfaces and Network Virtualization Oracle Solaris 11 Information Library|
In this Oracle Solaris release, network configuration is based on profiles. A system's network configuration setup is managed by a specific network configuration profile (NCP) and a corresponding location profile. For a more detailed explanation of NCPs, location profiles and other profile types, their properties, and the commands that you use to manipulate and monitor profiles, see Part I, Network Auto-Magic.
Note - For network configuration, the principal profile types are NCPs, location profiles, external network modifiers (ENMs), and wireless local area networks (WLANs). Of these types, the main profile is the NCP. Throughout this documentation, unless specified otherwise, the term profile refers to the NCP.
The highlights of profile-based network configuration follow:
Only one pair of NCP and location profiles can be active at one time to manage a system's network configuration. All other existing NCPs in the system are non-operational.
The active NCP can either be reactive or fixed. With a reactive profile, the network configuration is monitored to adapt to changes in the system's network environment. With a fixed profile, the network configuration is instantiated but not monitored.
The values of the different properties of an NCP constitute a policy that governs how the profile manages the network configuration.
Changes to the NCP's properties are immediately implemented as new property values, which become part of the profile's policy that manages the network configuration.
Note - On a system that has been upgraded from the Oracle Solaris 11 11 Express release, the operational network configuration prior to the upgrade becomes the active profile after the upgrade. If the previous configuration was created by the dladm and ipadm commands, that configuration constitutes the profile DefaultFixed, which becomes active in the system. Otherwise, the configuration becomes the profile Automatic that manages the system's network configuration.