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Chapter 3 System Configuration 21
Domain Name Service
The Domain Name Service (DNS) allows computers on a network to communicate
with each other by using centrally maintained DNS names instead of locally stored
IP addresses. If you configure the Service Processor to use the DNS service, it “joins”
the DNS community and can communicate with any other computer on the network
through its DNS server.
There are no defaults for this service. To configure the Service Processor to use DNS,
you must specify the Service Processor host name, and the DNS server name and IP
address.
You can configure the Service Processor DNS service with these commands:
■ sethostname
■ setnameserver
On a server with dual Service Processors, the domain name is common for both
Service Processors. A host name can be specified for each Service Processor. Setting a
different host name for each Service Processor does not disable failover.
Once you have configured the Service Processor to use the DNS service, it does not
require day-to-day management.
LDAP Service
The LDAP service stores user authentication and privilege settings on a server so
that individual computers on the network do not have to store the settings.
By default, the Service Processor stores user passwords and privileges locally.
Account information for users who have access to the Service Processor are stored
on the Service Processor itself. (Authentication and privilege lookups for the server’s
domains are provided by the Solaris OS.)
However, if you want to have authentication and privilege lookups performed by an
LDAP server, you can set up the Service Processor to be an LDAP client.
The general process for setting up the Service Processor as an LDAP client is:
1. Enable the LDAP service.
2. Provide the LDAP server configuration information:
■ The IP address or hostname, and port, of the primary LDAP directory
■ Optional: The IP address or hostname, and port, of up to two alternative LDAP
directories
■ The distinguished name (DN) of the search base to use for lookup