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| author | rebortg <github@ghlr.de> | 2020-11-30 20:53:36 +0100 |
|---|---|---|
| committer | rebortg <github@ghlr.de> | 2020-11-30 20:53:36 +0100 |
| commit | 8943fc9f877cbee3301a8261ddd27b4b1f15f174 (patch) | |
| tree | bb09c5f41a7683dc361517c2bde346eea36cda24 /docs/services/mdns-repeater.rst | |
| parent | e33e1268f944be445b5a771df0e97e913487512f (diff) | |
| download | vyos-documentation-8943fc9f877cbee3301a8261ddd27b4b1f15f174.tar.gz vyos-documentation-8943fc9f877cbee3301a8261ddd27b4b1f15f174.zip | |
arrange services and protocols
Diffstat (limited to 'docs/services/mdns-repeater.rst')
| -rw-r--r-- | docs/services/mdns-repeater.rst | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/docs/services/mdns-repeater.rst b/docs/services/mdns-repeater.rst deleted file mode 100644 index 9d6a292a..00000000 --- a/docs/services/mdns-repeater.rst +++ /dev/null @@ -1,44 +0,0 @@ -mDNS Repeater -------------- - -Starting with VyOS 1.2 a :abbr:`mDNS (Multicast DNS)` repeater functionality is -provided. Additional information can be obtained from -https://en.wikipedia.org/wiki/Multicast_DNS. - -Multicast DNS uses the 224.0.0.251 address, which is "administratively scoped" -and does not leave the subnet. It retransmits mDNS packets from one interface -to other interfaces. This enables support for e.g. Apple Airplay devices across -multiple VLANs. - -Since the mDNS protocol sends the AA records in the packet itself, the repeater -does not need to forge the source address. Instead, the source address is of -the interface that repeats the packet. - -Configuration -============= - -.. cfgcmd:: set service mdns repeater interface <interface> - - To enable mDNS repeater you need to configure at least two interfaces. To - re-broadcast all incoming mDNS packets from any interface configured here to - any other interface configured under this section. - -.. cfgcmd:: set service mdns repeater disable - - mDNS repeater can be temporarily disabled without deleting the service using - -.. note:: You can not run this in a VRRP setup, if multiple mDNS repeaters - are launched in a subnet you will experience the mDNS packet storm death! - -Example -======= - -To listen on both `eth0` and `eth1` mDNS packets and also repeat packets -received on `eth0` to `eth1` (and vice-versa) use the following commands: - -.. code-block:: none - - set service mdns repeater interface 'eth0' - set service mdns repeater interface 'eth1' - -.. _`Multicast DNS`: https://en.wikipedia.org/wiki/Multicast_DNS |