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Service: Add UDP broadcast relay chapter

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Christian Poessinger 2018-10-03 14:58:33 +02:00
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docs/ch11-services.rst
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@ -814,6 +814,53 @@ mDNS repeater can be temporarily disabled without deleting the service using
set service mdns repeater disable
UDP broadcast relay
===================
Certain vendors use broadcasts to identify their equipemnt within one ethernet
segment. Unfortunately if you split your network with multiple VLANs you loose
the ability of identifying your equiment.
This is where "UDP broadcast relay" comes into play! It will forward received
broadcasts to other configured networks.
Every UDP port which will be forward requires one unique ID. Currently we
support 99 IDs!
To Forward broadcasts on port 1900 for eth3, eth4 and eth5 configure the service
as follows:
.. code-block:: sh
set service broadcast-relay id 1 description 'SONOS'
set service broadcast-relay id 1 interface 'eth3'
set service broadcast-relay id 1 interface 'eth4'
set service broadcast-relay id 1 interface 'eth5'
set service broadcast-relay id 1 port '1900'
Forward broadcasts on port 6969 for eth3, eth4
.. code-block:: sh
set service broadcast-relay id 2 description 'SONOS MGMT'
set service broadcast-relay id 2 interface 'eth3'
set service broadcast-relay id 2 interface 'eth4'
set service broadcast-relay id 2 port '6969'
Each broadcast relay instance can be individually disabled without deleting the
configured node by:
.. code-block:: sh
set service broadcast-relay id <n> disable
In addition you can also disable the whole service without removing the
configuration by:
.. code-block:: sh
set service broadcast-relay disable
.. _ddclient: http://sourceforge.net/p/ddclient/wiki/Home/
.. _RFC2136: https://www.ietf.org/rfc/rfc2136.txt
.. _`Multicast DNS`: https://en.wikipedia.org/wiki/Multicast_DNS