Odd behaviour from new home SKY fibre system

[TwistedHelixis]

Last week we had SKY fiber to the house installed, but have an odd issue.

 

Some apps on my phone (only some) now take an age to open, sometimes over a minute. Other apps and browsing the internet are lightning fast. For the slow apps, if I disable the WiFi and go 4G they run as normal.

 

I have done a band scan and the neighbours are not using the same channels. I did notice more than one SSID listed for both 2.4 & 5GHZ on the same band, but realised those are the SKY TV box's in my house.

 

I have tested separating out the 2.4 & 5GHZ SSIDs so they have different SSID names, but the apps still run slow when I connect to either.

 

I have also disabled the SKY parental filter, but that doesn't help.

 

Anyone else have this issue, or any idea how to fix it?

Edited December 26, 2021 by TwistedHelixis

[leeshellard]

Sounds like a dns problem to me.

[TwistedHelixis]

Also noticed that the new Oculus Quest 2 does not connect through our SKY system, it connects but says no internet. It does work when hotspot through his phone.

 

Sounds like a dns problem to me.

Ill see if I can get any info from the Sky router about DNS

[ChrisC]

I would echo it being DNS.

 

It you manually set DNS on your device to cloudflare/Google does it have the same behaviour?

[bknaggs]

I had big enough DHCP problems with Sky and their router that I ended up putting a Pi running a DHCP server in place.

 

Check if your devices are picking up correct IP addresses.

[ZeroHour]

Sky have a *feature* that used to redirect any unencrypted DNS traffic to the router/their own servers regardless of client setting *to protect the piracy/Kids* from getting access to things sky blocks. There was an outcry a few years ago about it and if you complained enough sky would disable it on your router with a firmware upgrade but I dont know if its still the case now.

[XiJ]

As above I read Sky at least ‘prefer’ you to use their own DNS. I currently prefer 1.1.1.1 (1.1.1.3 for the kids)

[ZeroHour]

You can confirm the dns is not being messed with by using: https://www.dnsleaktest.com

 

I dont have the issue but I did get sky to revert it on my router and I dont know if they continued with the plan. Virgin was also looking at doing the same thing router level as well.

[newpersn]

Been with Sky for years and found there dns shocking at the best of time.

 

During lockdown when working from home, I would have random issues with websites taking ages to load or Teamviewer decided to not work. Even the edugeek app on the phone refuses to open sometimes.

 

I changed my laptop DNS to 1.1.1.1 or 8.8.8.8 and all my problems were fixed.

 

I think the most of devices that are connected use one or other as the DNS server rather then Sky.

 

I should really sort out the PI to do something....

Edited December 26, 2021 by newpersn

[garbage46]

I recently moved house, signed up to Sky and had a new fibre line installed straight into my home office. For a week or two some apps on my android phone would not work, others would work but very slowly. For example I could only access my Nest thermostat over 4g (WiFi off).

I tried everything my tiny brain could think of; changing WiFi channels, 2.4GHz only, 5 GHz only. Speed tests would with be 150MB or 0.

Hard wired PC was fine.

One day I just did the old turn it off turn it in again and everything has been closed to perfect from then on.

Conclusion:

Probably some messed up IP or DNS cache on the router ��

Problem free for over two months now �� just those first 7-10 days.

[Jcx500]

Had a fair few issues with my sky box when I was with them. Ended up using dhcp / dns on a windows box and used Google’s dns as forwarders

[TwistedHelixis]

Worked out it's actually something to do with IPv6 pre lookup, when I disable this "Enable ULA Router Prefix Advertisements" in the IPv6 section everything works fine.