Re: Power line Ethernet stopping iPhone Sonos app working

["Phil Harris phil@xxxxxxxxxxx [ukha_d]" <ukha_d@xxxxxxxxxxxxxxx>]

Everyone *CAN* run network cables ...

...*IF* they want to enough. :-)

Phil

Sent from another bloody fruit-based portable device...

> On 25 Jun 2016, at 15:01, Nicholas Humfrey njh@xxxxxxx [ukha_d]
<ukha_d@xxxxxxx> wrote:
>
> Hi,
>
>
> Yes, I have also experienced problems with high latency and packet
loss
> with power line ethernet at my parents house. I personally have Cat6
in
> my house, but I can understand that not everyone can/wants to lift the
> floor and chase wires in the walls!
>
>
> I imagine part of the problem with Sonos is that because it aims for a
> low latency audio between speakers/zones, it doesn't cope will with
> having to do packet re-transmissions, which then add to the delays.
>
>
> Very odd that power line has problems with DHCP - I have not seen
that.
> Although it is possible if packet loss is high enough, the repeat
> requests/responses just aren't getting through; DHCP uses UDP not TCP.
>
>
> Additionally BBC R&D have done some research that shows power-line
> transmissions can interfere with broadcast transmissions:
>
>
> http://www.bbc.co.uk/rd/publications/whitepaper195
> http://www.bbc.co.uk/rd/search?query=PLT
>
>
>
>
> nick.
>
>
>
>
>> On 2016-06-25 08:33, Phil Harris phil@xxxxxxx [ukha_d] wrote:
>> Yup - they're the f*cking bane of my life too and the first thing
that
>> I get anyone that calls me with streaming / discovery issues with
our
>> kit to remove from their networks as the very first test ...
Almost
>> always resolves the problem.
>>
>> I wish I could ban the b*stard things!
>>
>> Then of course the next thing is 'but I can't run a network cable
...'
>> ... :-)
>>
>> Phil
>>
>> Sent from another bloody fruit-based portable device...
>>
>> On 25 Jun 2016, at 07:59, Noel Andrews noel@xxxxxxx [ukha_d]
>> <ukha_d@xxxxxxx> wrote:
>>
>>> Morning all,
>>>
>>> Fantastic Sonos support experience yesterday even if it did
dent my
>>> man pride!
>>>
>>> Ever since getting Sonos the iPhone and iPad apps in the house
>>> unreliably connect to them. Just says searching then talks me
>>> through pressing the two buttons on the Sonos unit to re-link.
>>>
>>> That was fine albeit annoying until latest app update that
changed
>>> that process and now encourages you to call them.
>>>
>>> Called up and spoke to Peter, he realised I wasn't your
average low
>>> tech home user and talked me through some pings etc.
>>>
>>> Turns out that pings from my Mac to my iPhone were taking
between
>>> 200 and 500ms.
>>>
>>> Talked through what devices I had and as soon as I said power
line
>>> Ethernet he said there's your problem. This is the point that
I was
>>> thinking yeah yeah whatever!
>>>
>>> So he got me to go round the house and then them all off and
repeat
>>> the ping tests.
>>>
>>> Immediately it was down to 0.1ms consistently. Launching the
Sonos
>>> app worked first time very quickly.
>>>
>>> His explanation is that the power line units cause routing
issues.
>>> Some googling seems to imply that the power line units don't
pass
>>> dhcp broadcast traffic.
>>>
>>> This also seems to be why now and again my iPhone will
stubbornly
>>> not browse to Internet sites.
>>>
>>> Sonos from my macs has always been perfect including control
from
>>> light waverf switches through indigo. I suspect because the
macs
>>> have static ip reservations.
>>>
>>> I'm somewhat reliant on my power line units so as a potential
>>> workaround I've now made sure all the iPhones have got static
ip
>>> reservations in the hope that might work. So far so good but
thought
>>> I'd post here in case a)anyone else was having the issue and
b) in
>>> case anyone knows a bit more and cares to comment.
>>>
>>> Cheers all
>>> Noel
>>
>>
>>
>> Links:
>> ------
>> [1]
>> https://groups.yahoo.com/neo/groups/ukha_d/conversations/messages/165922;_ylc=X3oDMTJyNHZob2Y0BF9TAzk3MzU5NzE0BGdycElkAzExMDk2MzkEZ3Jwc3BJZAMxNzA1MDQxOTkyBG1zZ0lkAzE2NTkyMgRzZWMDZnRyBHNsawNycGx5BHN0aW1lAzE0NjY4NDAxMDY-?act=reply&messageNum=165922
>> [2]
>> https://groups.yahoo.com/neo/groups/ukha_d/conversations/newtopic;_ylc=X3oDMTJlcHBvN2ptBF9TAzk3MzU5NzE0BGdycElkAzExMDk2MzkEZ3Jwc3BJZAMxNzA1MDQxOTkyBHNlYwNmdHIEc2xrA250cGMEc3RpbWUDMTQ2Njg0MDEwNg--
>> [3]
>> https://groups.yahoo.com/neo/groups/ukha_d/conversations/topics/165920;_ylc=X3oDMTM4bmNvbWxzBF9TAzk3MzU5NzE0BGdycElkAzExMDk2MzkEZ3Jwc3BJZAMxNzA1MDQxOTkyBG1zZ0lkAzE2NTkyMgRzZWMDZnRyBHNsawN2dHBjBHN0aW1lAzE0NjY4NDAxMDYEdHBjSWQDMTY1OTIw
>> [4] https://yho.com/1wwmgg
>> [5]
>> https://groups.yahoo.com/neo/groups/ukha_d/info;_ylc=X3oDMTJlZnU1anMzBF9TAzk3MzU5NzE0BGdycElkAzExMDk2MzkEZ3Jwc3BJZAMxNzA1MDQxOTkyBHNlYwN2dGwEc2xrA3ZnaHAEc3RpbWUDMTQ2Njg0MDEwNg--
>> [6]
>> https://groups.yahoo.com/neo;_ylc=X3oDMTJkOTcxZDViBF9TAzk3NDc2NTkwBGdycElkAzExMDk2MzkEZ3Jwc3BJZAMxNzA1MDQxOTkyBHNlYwNmdHIEc2xrA2dmcARzdGltZQMxNDY2ODQwMTA2
>> [7] https://info.yahoo.com/privacy/us/yahoo/groups/details.html
>> [8] https://info.yahoo.com/legal/us/yahoo/utos/terms/
>
>
>
>
> ------------------------------------
> Posted by: Nicholas Humfrey <njh@xxxxxxx>
> ------------------------------------
>
>
>
> ------------------------------------
>
> Yahoo Groups Links
>
>
>



------------------------------------
Posted by: Phil Harris <phil@xxxxxxx>
------------------------------------

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