Difference between revisions of "Multicast Filtering"

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== Solution ==
 
== Solution ==
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* The system <b><u>should</u></b> be installed by a 'networking specialist' who understands the necessary equipment and setup to ensure proper handling of multicast traffic
 
* 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, but due to different manufacturers implementations may cause other issues.
+
** One process known as [http://en.wikipedia.org/wiki/IGMP_snooping IGMP snooping] may work, but due to different manufacturers implementations may cause other issues. The network specialist will be able to setup other, more reliable, solutions.
** The system should be installed by a 'networking specialist' who understands the necessary equipment and setup to ensure proper handling of multicast traffic.
+
.
 
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=== IGMP Snooping ===
 
=== IGMP Snooping ===

Revision as of 15:03, 9 November 2020

Background

Whilst Songcasting in large-scale mode, Linn DS players generate significant amounts of 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.

Problem

This Multicast traffic may cause the WAP to be overloaded

  • wireless network malfunctions and becomes unreliable
  • unable to connect to the wireless network.

Solution

  • The system should be installed by a 'networking specialist' who understands the necessary equipment and setup to ensure proper handling of multicast traffic
  • 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.
    • One process known as IGMP snooping may work, but due to different manufacturers implementations may cause other issues. The network specialist will be able to setup other, more reliable, solutions.

.

Tested Devices

The following devices are examples of network products that have been tried at one time..
However, the hardware and firmware of these devices are in the control of their respective manufacturers and may have changed from what was originally tried.
  • Router/DHCP Server
    • Pakedge PK-R6F-UK
  • SFP Multimode Modules:
    • H!Fiber.com : ASF85-24-X2-Cisco-2pcs-HF(EU)
    • II-VI / Finisar : FTLF8519P3BNL
  • WAP
    • ASUS RT-AC68U
    • D-Link DWL3200AP (Firmare 2.55 or later)
    • Ubiquiti UniFi (Firmware 4.3.20 )
  • All-in-one
    • Buffalo WHR-G300N AirStation (Firmware V1.82/1.85)
    • Buffalo Airstation WZR-1166DHP
    • ZyXEL NBG-417N
    • ZyXEL NBG-4615 (Fimware 1.00(BWQ.2)C0 )
    • Billion BiPAC 6200 NXL
    • D-Link DIR-655/B (Firmware 2.00 , 12, Aug, 2010)
      • (Advanced - Enable Multicast Streams)
    • D-Link DIR-645 (Firmware v1.04)
    • Negtgear WNR2200
    • D-LINK DWR-921 (Firmware 2.00b5 used with 3G/4G to allow remote Exakt updates)
    • Ubiquiti AirRouter WiFi 2.4GHz Indoor MIMO Router
    • Netgear R6120-100 AC1200
  • Managed Switch
    • Cisco (Linksys) SLM2008
    • Cisco SG300-10
    • ZyXEL ES-2108
    • ZyXEL GS2200
    • HP Procurve 2510-24G (J9279A)
  • Apple AirPort Extreme was tested and does NOT work

Customer/Retailer Problem Reports

This information is supplied to Linn Products by retailers & customers. Linn Products has not tried any of these devices.

  • Fritzbox reported having issues with Apple broadcasts and losing connections. Check here.
  • Technicolor TG799 - Firmware v18.1. Check here.
  • Arris TG3482G (Comcast / Xfinity) - Issue with Exakt devices in Konfig (reported by retailer, 3rd October 2019)
  • Pace 5268AC (AT&T) - aka Arris 5268AC - (reported by retailer, 3rd October 2019)