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IPAliases(8)                               System Manager's Manual                              IPAliases(8)

NAME
     IPAliases -- add IPv4 aliases to existing network interfaces

SYNOPSIS
     IPAliases start | stop

DESCRIPTION
     IPAliases adds or removes IPv4 aliases to existing network interfaces. See IPAliases.conf(5) for
     details on configuring this feature.

     IPAliases is typically launched once at boot time under the control of launchd(8) using the job label
     com.apple.IPAliases.

SUBCOMMANDS
     One of the following subcommands must be passed on the command line:
     start    Assign the aliases defined in /etc/IPAliases.conf.  This is executed at boot time by
              launchd(8).

     stop     Removes all aliases currently defined in /etc/IPAliases.conf.  Note that executing this sub-command subcommand
              command after changing /etc/IPAliases.conf will not remove all previously defined aliases;
              issue this command before editing the configuration file.


FILES & FOLDERS
     /usr/libexec/IPAliases
           -   executable which manipulates the aliases.
     /etc/IPAliases.conf
           -   configuration file; see IPAliases.conf(5).
     /etc/hostconfig
           -   defines options which control assignment of aliases.
     /var/log/IPAliases.log
           -   log file.
     /System/Library/LaunchDaemons/com.apple.IPAliases.plist
           -   launchd(8) configuration file.

DIAGNOSTICS
     The IPAliases utility exits 0 on success, and >0 if an error occurs.  Errors encountered during parsing
     and those generated by ifconfig(8) are written to /var/log/IPAliases.log.

     Invalid ownership or permissions on /etc/IPAliases.conf.  /etc/IPAliases.conf must be owned by root and
     writeable only by root. This message is reported to syslogd(8) by way of logger(1).

     Invalid lines:  The reported line has invalid syntax.

     Invalid interface in line...  The reported line references a non-existent (or other invalid) network
     interface.

SEE ALSO
     IPAliases.conf(5), ifconfig(8), launchctl(8), launchd(8), ping(8)

HISTORY
     IPAliases was a startup item that has been migrated to be launched by launchd(8).

Mac OS X Server 10.6                          September 4, 2008                         Mac OS X Server 10.6

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