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System Administration Guide: Naming and Directory Services (DNS, NIS, and LDAP)     Oracle Solaris 11 Express 11/10
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Document Information


Part I About Naming and Directory Services

1.  Naming and Directory Services (Overview)

2.  The Name Service Switch (Overview)

About the Name Service Switch

Format of the nsswitch.conf File

Search Criteria

Switch Status Messages

Switch Action Options

Default Search Criteria

What if the Syntax is Wrong?

Auto_home and Auto_master

Timezone and the Switch File

Comments in nsswitch.conf Files

Keyserver and publickey Entry in the Switch File

The nsswitch.conf Template Files

The Default Switch Template Files

The nsswitch.conf File

Selecting a Different Configuration File

How to Modify the Name Service Switch

DNS and Internet Access

IPv6 and Oracle Solaris Naming Services

Ensuring Compatibility With +/- Syntax

The Switch File and Password Information

Part II DNS Setup and Administration

3.  DNS Setup and Administration (Reference)

Part III NIS Setup and Administration

4.  Network Information Service (NIS) (Overview)

5.  Setting Up and Configuring NIS Service

6.  Administering NIS (Tasks)

7.  NIS Troubleshooting

Part IV LDAP Naming Services Setup and Administration

8.  Introduction to LDAP Naming Services (Overview/Reference)

9.  LDAP Basic Components and Concepts (Overview)

10.  Planning Requirements for LDAP Naming Services (Tasks)

11.  Setting Up Sun Java System Directory Server With LDAP Clients (Tasks)

12.  Setting Up LDAP Clients (Tasks)

13.  LDAP Troubleshooting (Reference)

14.  LDAP General Reference (Reference)

15.  Transitioning From NIS to LDAP (Overview/Tasks)

Part V Active Directory Naming Service

16.  Setting Up Oracle Solaris Active Directory Clients



IPv6 and Oracle Solaris Naming Services

NIS and LDAP support storing IPv6 data, as well as using IPv6 transports for protocol traffic. Beginning with BIND version 8.3.3, DNS in the Oracle Solaris release supports the use of IPv6 transports on the client side. As of BIND version 8.4.2, DNS provides a complete client-server solution over IPv6 networks.

The nsswitch.conf file controls search criteria for IPv6 addresses. IPv6 increases the IP address size from 32 bits to 128 bits to support more levels of addressing hierarchy. A larger address size provides a greater number of addressable nodes. For more information about IPv6, its configuration and implementation, see System Administration Guide: IP Services.

Use the new ipnodes source for IPv6 addresses. The /etc/inet/ipnodes file stores both IPv4 and IPv6 addresses. The /etc/inet/ipnodes file uses the same format convention as the /etc/hosts file.

IPv6 aware naming services use the new ipnodes source for its search forwarding. For instance, if LDAP is aware of IPv6 addresses, specify the following.

ipnodes: ldap [NOTFOUND=return] files


Caution - Potential delay issues:

  • ipnodes defaults to files. During the transition from IPv4 to IPv6, where all naming services are not aware of IPv6 addresses, accept the files default. Otherwise, unnecessary delays, such as boot timing delays, might result during the resolution of addresses.

  • An application searches all ipnodes databases for IPv4 addresses before searching for IPv4 addresses in the hosts databases. Before specifying ipnodes, consider the inherent delay of searching both databases for IPv4 addresses.