Difference between revisions of "Multicast Filtering"

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<span style="color:red"><b>Multicast filtering used to be a requirement with larger systems due to limited Wifi bandwidths.
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<u>However, as Ethernet networks have evolved this requirement is no longer relevant.</u></b> </span>
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== Background ==
 
== Background ==
Whilst [[Songcast|Songcasting]]  in '''large-scale mode''', Linn DS players generate significant amounts of [http://en.wikipedia.org/wiki/Multicast Multicast] traffic on the network. Many consumer grade network switches, including many ''all-in-one'' router/switch/WAP units will broadcast this Multicast traffic to ''ALL'' devices on the network, rather than just those which have requested it.
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<del>[[Songcast|Songcasting]]  in '''large-scale mode''', Linn DS players generate significant amounts of [http://en.wikipedia.org/wiki/Multicast Multicast] traffic on the network. Many consumer grade network switches, including many ''all-in-one'' router/switch/WAP units will broadcast this Multicast traffic to ''ALL'' devices on the network, rather than just those which have requested it </del>
  
 
== Problem ==
 
== Problem ==
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* All DS players which are participating large-scale Songcast must use wired network paths between themselves.
 
* All DS players which are participating large-scale Songcast must use wired network paths between themselves.
 
* The network traffic must be filtered to ensure that Multicast traffic is not sent over the wireless network.
 
* The network traffic must be filtered to ensure that Multicast traffic is not sent over the wireless network.
** One process known as [http://en.wikipedia.org/wiki/IGMP_snooping IGMP snooping] may work, however due to different manufacturers implementations & improvements, may cause other issues. A network specialist will be able to setup other, more reliable, solutions.
 
 
* <u>We recommend that the system be installed by a 'networking specialist' who understands the necessary equipment and setup to ensure proper handling of multicast traffic</u>
 
* <u>We recommend that the system be installed by a 'networking specialist' who understands the necessary equipment and setup to ensure proper handling of multicast traffic</u>
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=== IGMP Snooping ===
 
=== IGMP Snooping ===
 
This is a feature of network equipment, and <i>may</i> require an upgrade to the network infrastructure to operate successfully and prevent wireless network issues
 
This is a feature of network equipment, and <i>may</i> require an upgrade to the network infrastructure to operate successfully and prevent wireless network issues
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* Ensure network path between DS players and WAP go through the switch
 
* Ensure network path between DS players and WAP go through the switch
 
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Revision as of 10:53, 10 November 2020

Multicast filtering used to be a requirement with larger systems due to limited Wifi bandwidths.
However, as Ethernet networks have evolved this requirement is no longer relevant.