Difference between revisions of "Network Components"

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Linn's digital media products (collectively referred to as Linn DS below) use standard IP networking for audio distribution and control.  The recommended specification for the networking products is outlined below.
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Linn's digital media products (collectively referred to as Linn DS below) use standard IP networking for audio distribution and control. The suggested specification for all networking components is outlined below.  For any given installation, the fundamental mode of operation needs to be chosen prior to purchasing network equipment, based on the number of Linn DS to be interconnected.
  
−
== Network Topology ==
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[http://docs.linn.co.uk/wiki/index.php/Songcast#Large-scale_mode '''Large-scale Mode''']
  
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[http://docs.linn.co.uk/wiki/index.php/Songcast#Large-scale_mode '''Large scale mode''']
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For Linn DS systems, if you wish to share audio from one Linn DS (sender) to ''more than five'' other Linn DS products, you need to set the Linn network for [http://docs.linn.co.uk/wiki/index.php/Multicast_Filtering multicast filtering], which will require higher-grade network equipment.
  
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For Linn DS systems, if you wish to share audio from one Linn DS (sender) to more than five other Linn DS products, you need to set the Linn Products network for [http://docs.linn.co.uk/wiki/index.php/Multicast_Filtering Multicast filtering]
+
We advise that you speak to a '''Network Specialist''' regarding this subject to specify the Ethernet devices for your specific system.
  
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We have a list of suggested ethernet products in the [http://docs.linn.co.uk/wiki/index.php/Multicast_Filtering Multicast link].
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[http://docs.linn.co.uk/wiki/index.php/Songcast#Small-scale_mode '''Small-scale Mode''']
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However, we would advise that you speak to an '''Network Specialist''' regarding this subject to specify the Ethernet devices for your specific system.
 
  
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[http://docs.linn.co.uk/wiki/index.php/Songcast#Small-scale_mode '''Small scale mode''']
+
If you only want to share a Linn DS to ''up to five'' other Linn DS rooms, this will use unicast communications, which can be achieved with consumer-grade network equipment.
  
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If you only want to share a Linn DS to up to five other Linn DS rooms, this will use unicast communications.
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For an installation operating in large-scale mode, ''each'' piece of network equipment below needs to satisfy its higher specifications, respectively;  a single substandard component could disrupt the whole system.
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Unicast [http://docs.linn.co.uk/wiki/index.php/Songcast#Small-scale_mode is a small scale mode] and can use the existing 100BaseT (or better) network (devices listed below).
 
  
 
== DHCP server ==
 
== DHCP server ==
  
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The DHCP server supplies an IP address on request from the DHCP clients. This functionality is usually provided by a router in the network.
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The DHCP server supplies an IP address on request from the DHCP clients. This functionality is usually provided by a router in the network. For this network component, no distinction exists w.r.t. small- or large-scale mode of operation.
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We recommend the Netgear RP614 router for this task.
 
  
 
== Ethernet Switch ==
 
== Ethernet Switch ==
  
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The Ethernet switch is the connection point for all other components on the network allowing them to communicate with each other.
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The Ethernet switch is the connection point for all other components on the network, allowing them to communicate with each other.
 +
The Linn DS/DSM/HUB uses 100Base-T sockets.
 +
<!--
 +
=== Large-scale Mode ===
  
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[http://docs.linn.co.uk/wiki/index.php/Multicast_Filtering for large scale Davaar Multicast (>6 Linn DS in the system) you need to use Managed switches]
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For installations using Songcast to more than five Linn DS, you need to deploy [http://docs.linn.co.uk/wiki/index.php/Multicast_Filtering managed switches].
  
−
We have a list of suggested Ethernet products in the [http://docs.linn.co.uk/wiki/index.php/Multicast_Filtering Multicast link].
+
We advise that you ask a '''Network Specialist''' to specify the Ethernet devices for your particular system.
−
However, we advise that you ask a '''Network Specialist''' to specify the Ethernet devices for your particular system.
 
  
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{| align="right" style="background: rgb(224, 224, 240) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; width: 235px; line-height: 2.25em; font-size: 90%;" class="infobox"
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=== Small-scale Mode ===-->
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|-
 
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| {{:Recommended Ethernet Switches}}
 
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|}
 
  
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'''Small scale mode requirements:'''
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* You can use the switch ports on your router if present, or any unmanaged 100/1000base-T switch to add additional ports
  
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* Linn recommends a dedicated, stand-alone switch. Switches built into consumer-grade ADSL routers, cable modems, or wireless access points tend to be too limited. The processing power of such devices is often shared between its various functions and is therefore not always capable of full performance.
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==MoCA (Media over Coax Alliance)==
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* 100 Mbps or 1000 Mbps full duplex switch.
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:  This is DLNA approved (see [https://en.wikipedia.org/wiki/Multimedia_over_Coax_Alliance https://en.wikipedia.org/wiki/Multimedia_over_Coax_Alliance]).
−
* Must be capable of fully utilising all ports simultaneously. On vendors' specification pages this is sometimes listed as “switch backplane” or “switch bandwidth”. (For an 8-port 100 Mbps switch, this “switch bandwidth” should be 1.6 Gbps. This number comes from 100 Mbps in, plus 100 Mbps out, times 8 ports. For a 16-port gigabit switch, the “switch bandwidth” would be 32 Gbps = 2*1000*16 Mbps.)
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:As a Layer2 device transport this has no affect on IP, TCP or UDP
  
 
== Wireless Access Point (WAP) ==
 
== Wireless Access Point (WAP) ==
  
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The WAP connects the wireless control point to the network.
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The WAP connects the wireless control point to the network. 
 +
Most ISP routers have a built-in WAP.
  
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[http://docs.linn.co.uk/wiki/index.php/Multicast_Filtering For Large scale mode Davaar Multicast (>6 Linn DS/DSI in the system)]
+
If to be used with Apple devices the '''DTIM''' setting needs to be increased. (Apple recommends a setting of '''3''' or higher.)
  
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{| align="right" class="infobox" style="background: rgb(224, 224, 240) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; width: 235px; line-height: 2.25em; font-size: 90%;"
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== Ethernet over Power Mains ==
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|-
 
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| {{:Recommended WAPs}}
 
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|}
 
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Linn recommends using a stand-alone wireless access point. Wireless access points built into switches and other consumer grade products are frequently (but not always) of a lower quality.
 
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Click [http://docs.linn.co.uk/wiki/index.php/DS_Network_Setup:Configuring_the_WAP here] for D-Link 3200 setup procedure.
 
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'''Requirements:'''
 
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* "Enterprise grade"
 
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* Wireless G
 
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* Robust connection quality
 
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and optionally
 
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* Power over Ethernet (PoE)
 
  
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== Ethernet over Power Mains ==
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These devices allow you to broadcast Ethernet traffic over mains electricity wiring.
 +
Electrical noise on your home mains system can reduce the bandwidth/speed of your Ethernet-over-mains devices and cause poor communication with your Linn DS/DSM. They can also add "latency". This means that any communications are delayed, if this delay is too long then the Linn DS/DSM and control devices may ignore this communication.
  
 
For Davaar family systems, Ethernet-over-Mains adaptors may reduce the number of rooms that can listen to a Songcast Linn DS (see [http://docs.linn.co.uk/wiki/index.php/Songcast#Small-scale_mode_2 explanation])
 
For Davaar family systems, Ethernet-over-Mains adaptors may reduce the number of rooms that can listen to a Songcast Linn DS (see [http://docs.linn.co.uk/wiki/index.php/Songcast#Small-scale_mode_2 explanation])
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These adaptors allow you to broadcast Ethernet traffic over mains electricity wiring.
 
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If you do wish to use Ethernet-over-Mains adaptors, Linn recommends the following HomeplugAV devices:
 
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Solwise NET-PL-200-AV-PIGGY/PUSH
 
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or
 
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Develo 200AVeasy Starter Kit (x2)
 
  
 
== Media Server ==
 
== Media Server ==
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{| align="right" class="infobox" style="background: rgb(224, 224, 240) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; width: 235px; line-height: 2.25em; font-size: 90%;"
 
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|-
 
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| {{:Recommended Media Servers}}
 
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|}
 
  
 
''Media Server Requirements''
 
''Media Server Requirements''
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and preferably
 
and preferably
  
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* Easy installation on the NAS
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* easy installation on the NAS
 
* Album Art support
 
* Album Art support
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The recommended Twonky4 Media Server licence can be [http://www.twonky.com/legacy_license.aspx purchased].
 
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Within the Twonky settings, put the RESCAN time to "0" (zero). If you want to add any music, create the desktop link
 
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<u>'''http://your_NAS_IP:8100/rpc/rescan'''</u> for the Netgear ReadyNAS or
 
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<u>'''http://your_NAS_IP:9000/rpc/rescan'''</u> for other devices.
 
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This will force Twonky to only scan the media when you want it to.
 
  
 
== NAS ==
 
== NAS ==
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{| align="right" style="background: rgb(224, 224, 240) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; width: 235px; line-height: 2.25em; font-size: 90%;" class="infobox"
 
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|-
 
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| {{:Recommended NASes}}
 
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|}
 
  
 
A [[NAS|NAS]] stores your music and makes it accessible over the network.
 
A [[NAS|NAS]] stores your music and makes it accessible over the network.
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Wireless control point
 
Wireless control point
  
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The wireless control point provides the user interface (via the Linn GUI) for accessing music and controlling playback. The device can be either a UMPC (ultra-mobile PC), Internet Tablet, or a standard computer/laptop.
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The wireless control point provides the user interface for accessing music and controlling playback. The device can be either a Smartphone, Internet Tablet, or a standard computer/laptop.
−
 
 
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The Linn GUI runs on .NET 2.0
 
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'''Minimum requirements:'''
 
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'''UMPC'''
 
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* 800 x 480 screen resolution
 
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* 600 MHz processor or faster (800 Mhz preferred)
 
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* .NET 2.0
 
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* Microsoft Windows XP Tablet PC edition 2005
 
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'''Windows PC/laptop'''
 
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* Windows XP Professional 2002
 
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* 800 MHz processor or faster
 
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* .NET 2.0
 
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'''Specific UMPCs tested by Linn:'''
 
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Samsung Q1 (NP-Q1/V000/SUK), (NP-Q1/M02/SUK), (NP-Q1/S000/SUK), (NP-Q1/UF000/SUK) running Microsoft Windows XP Tablet PC edition 2005, Version 2002 and Service Pack 2<br>ASUS Notebook R2H Series, 1GB RAM, 900 MHz Celeron-M, running Windows Vista Home Premium
 
−
 
 
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'''Specific Internet Tablets tested by Linn:'''
 
−
 
 
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* Nokia N800/N810 (running Media Streamer). The N800 must run Nokia's OS2008 firmware.
 
−
 
 
−
== Recommended System Components ==
 
−
 
 
−
[http://docs.linn.co.uk/wiki/index.php/Multicast_Filtering For Large Scale mode Davaar Multicast (>6 Linn DS/DSI in the system)]
 
  
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* [[Recommended NASes]]
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== Some examples of Network products ==
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* [[Recommended Ethernet Switches]]
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{{Network:Tested_Devices}}
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* [[Recommended WAPs]]
 
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* [[Recommended Media Servers]]
 

Latest revision as of 10:49, 26 April 2022

Linn's digital media products (collectively referred to as Linn DS below) use standard IP networking for audio distribution and control. The suggested specification for all networking components is outlined below. For any given installation, the fundamental mode of operation needs to be chosen prior to purchasing network equipment, based on the number of Linn DS to be interconnected.

Large-scale Mode

For Linn DS systems, if you wish to share audio from one Linn DS (sender) to more than five other Linn DS products, you need to set the Linn network for multicast filtering, which will require higher-grade network equipment.

We advise that you speak to a Network Specialist regarding this subject to specify the Ethernet devices for your specific system.

Small-scale Mode

If you only want to share a Linn DS to up to five other Linn DS rooms, this will use unicast communications, which can be achieved with consumer-grade network equipment.

For an installation operating in large-scale mode, each piece of network equipment below needs to satisfy its higher specifications, respectively; a single substandard component could disrupt the whole system.

DHCP server

The DHCP server supplies an IP address on request from the DHCP clients. This functionality is usually provided by a router in the network. For this network component, no distinction exists w.r.t. small- or large-scale mode of operation.

Ethernet Switch

The Ethernet switch is the connection point for all other components on the network, allowing them to communicate with each other. The Linn DS/DSM/HUB uses 100Base-T sockets.

  • You can use the switch ports on your router if present, or any unmanaged 100/1000base-T switch to add additional ports

MoCA (Media over Coax Alliance)

This is DLNA approved (see https://en.wikipedia.org/wiki/Multimedia_over_Coax_Alliance).
As a Layer2 device transport this has no affect on IP, TCP or UDP

Wireless Access Point (WAP)

The WAP connects the wireless control point to the network. Most ISP routers have a built-in WAP.

If to be used with Apple devices the DTIM setting needs to be increased. (Apple recommends a setting of 3 or higher.)

Ethernet over Power Mains

These devices allow you to broadcast Ethernet traffic over mains electricity wiring. Electrical noise on your home mains system can reduce the bandwidth/speed of your Ethernet-over-mains devices and cause poor communication with your Linn DS/DSM. They can also add "latency". This means that any communications are delayed, if this delay is too long then the Linn DS/DSM and control devices may ignore this communication.

For Davaar family systems, Ethernet-over-Mains adaptors may reduce the number of rooms that can listen to a Songcast Linn DS (see explanation)

Media Server

Media Server Requirements

  • UPnP AV 1.0 certified
  • FLAC support

and preferably

  • easy installation on the NAS
  • Album Art support

NAS

A NAS stores your music and makes it accessible over the network.

Control Point

Wireless control point

The wireless control point provides the user interface for accessing music and controlling playback. The device can be either a Smartphone, Internet Tablet, or a standard computer/laptop.

Some examples of Network products

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)
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