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Oracle Solaris Administration: Network Interfaces and Network Virtualization     Oracle Solaris 11 Express 11/10
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Document Information


Part I Network Auto-Magic

1.  Introduction to NWAM

2.  NWAM Configuration and Administration (Overview)

Overview of NWAM Configuration

What Are Network Profiles?

Description of an NCP

Description of an NCU

Description of the Automatic and User NCPs

Description of a Location Profile

Description of an ENM

About Known WLANs

NWAM Configuration Data

NCU Property Values

Property Values of System-Defined Locations

How NWAM Profiles Are Activated

NCP Activation Policy

Example of an NCP Policy

NCU Activation Properties

Location Activation Selection Criteria

Using the nwamcfg Command to Configure Profiles

nwamcfg Interactive Mode

nwamcfg Command-Line Mode

nwamcfg Command-File Mode

nwamcfg Supported Subcommands

Using the nwamadm Command to Administer Profiles

Overview of the NWAM Daemons

Description of the NWAM Policy Engine Daemon (nwamd)

Description of the NWAM Repository Daemon (netcfgd)

SMF Network Services and the NWAM Process

Refresh and Restart Behavior of the NWAM Service

Overview of NWAM Security

Authorizations and Profiles That Are Related to NWAM

Authorizations That Are Required to Use the NWAM User Interfaces

3.  NWAM Profile Configuration (Tasks)

4.  NWAM Profile Administration (Tasks)

5.  About the NWAM Graphical User Interface

Part II Administering Single Interfaces

6.  Overview of the Networking Stack

7.  Datalink Configuration and Administration

8.  Configuring an IP Interface

9.  Configuring Wireless Interface Communications on Oracle Solaris

Part III Administering Interface Groups

10.  Administering Bridges

11.  Administering Link Aggregations

12.  Administering VLANs

13.  Introducing IPMP

14.  Administering IPMP

Part IV  Network Virtualization and Resource Management

15.  Introducing Network Virtualization and Resource Control (Overview)

16.  Planning for Network Virtualization and Resource Control

17.  Configuring Virtual Networks (Tasks)

18.  Using Link Protection in Virtualized Environments

19.  Managing Network Resources

20.  Monitoring Network Traffic and Resource Usage



SMF Network Services and the NWAM Process

To support “auto-magic” configuration of the network, the svc:/network/physical:nwam SMF instance was introduced in the initial NWAM implementation.

In the current NWAM implementation, the following SMF services have been added:

In Oracle Solaris, network configuration is implemented by multiple SMF services:

Refresh and Restart Behavior of the NWAM Service

Stopping the network/physical:nwam service has the same effect as shutting down the system's network capabilities. This task is accomplished by tearing down all interfaces and links and restoring the saved legacy network settings.

This reset behavior is accomplished by performing certain actions during the normal start and stop of the NWAM service. On startup, the nwamd demon determines if a hard reset or a soft reset should be performed. The reset type depends on the existence of the /etc/svc/volatile/nwam/nwamd_soft_reset file. For a soft reset, the current NCP is activated, thereby making any necessary changes to the link and interface configuration, so that the configuration matches the NCP.

Upon startup, the daemon performs the following steps:

  1. If the Legacy location does not exist, the daemon creates the location, based on current settings

  2. Tears down any configured links or interfaces

  3. Activated the NoNet location

  4. Activates the current NCP

  5. Activates the appropriate Location profile after an interface becomes active

Upon normal shutdown, the nwamd daemon performs the following steps:

  1. Tears down the current NCP

  2. Activates the saved Legacy location settings