Description

The DNS_CACHE_TIMEOUT option specifies the length of time (in seconds) to retain a resolved host name in DNS memory cache.

The DNS cache provides a performance enhancement in environments where the DNS system is slow to respond.

Usage

Method	Syntax	IBM i	HP NonStop	UNIX	Windows	z/OS
Command Line, Short Form	n/a
Command Line, Long Form	n/a
Configuration File Keyword	dns_cache_timeout seconds

Value

seconds is the number of seconds to retain the host name in memory cache.

A value of 0 disables caching of host entries.

Default is 360.