From 77d07bfd6ed102a1b70e1dbfffdbfcc6cbe87ed5 Mon Sep 17 00:00:00 2001 From: Christian Poessinger Date: Wed, 3 Oct 2018 14:55:29 +0200 Subject: Service: Add Multicast DNS repeater chapter --- docs/ch11-services.rst | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'docs') diff --git a/docs/ch11-services.rst b/docs/ch11-services.rst index 43397d38..2cdafa2b 100644 --- a/docs/ch11-services.rst +++ b/docs/ch11-services.rst @@ -789,5 +789,31 @@ ddclient_ will load the webpage at `[url]` and will try to extract an IP address for the response. ddclient_ will skip any address located before the string set in `[skip]`. +mDNS Repeater +============= + +Starting with VyOS 1.2 a `Multicast DNS`_ (mDNS) repeater functionality is +provided. + +Multicast DNS uses the 224.0.0.51 address, which is "administratively scoped" +and does not leave the subnet. It re-broadcast mDNS packets from one interface +to other interfaces. This enables support for e.g. Apple Airplay devices across +multiple VLANs. + +To enable mDNS repeater you need to configure at least two interfaces. To re- +broadcast all mDNS packets from `eth0` to `eth1` and vice versa run: + +.. code-block:: sh + + set service mdns repeater interface eth0 + set service mdns repeater interface eth1 + +mDNS repeater can be temporarily disabled without deleting the service using + +.. code-block:: sh + + set service mdns repeater 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 -- cgit v1.2.3