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Running multiple instances
==========================
Sometimes, it can be advantageous to run multiple instances of :program:`dnsdist`.
Usecases can be:
* Multiple inbound IP addresses with different rulesets
* Taking advantage of more processes, using SO_REUSEPORT
:program:`dnsdist` supports loading a different configuration file with the ``--config`` command line switch.
By default, ``SYSCONFDIR/dnsdist.conf`` is loaded. ``SYSCONFDIR`` is usually ``/etc`` or ``/etc/dnsdist``.
Using systemd
-------------
On systems with systemd, instance services can be used.
To create a dnsdist service named ``foo``, create a ``dnsdist-foo.conf`` in ``SYSCONFDIR``, then run ``systemctl enable dnsdist@foo.service`` and ``systemctl start dnsdist@foo.service``.
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