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Strange Issue with Huawei B535 Router on Three Network

TTJJ

ULTIMATE Member
What's weird is it worked so well for the last 6 months. No problems, multiple devices connected streaming video, audio web traffic etc.

Then it suddenly starts dropping out for 5 minutes at a time, usually at the same time like exactly on the hour (but has been inconsistent here too). I've disconnected various things (smart tv, smart energy meter, google home mini etc.. but no manner of disconnecting, resetting, rebooting, factory resetting has helped so far.

Going to try this MTU thing, and shoving the SIM in a phone. Thanks.
Somehow sounds more like a local network issue rather than something wrong with the equipment if it's been fine for 6 months.

You're definitely connective through IPv4 only now?
 

skyscraper101

Casual Member
Somehow sounds more like a local network issue rather than something wrong with the equipment if it's been fine for 6 months.

You're definitely connective through IPv4 only now?

Yes, I followed your advice to the letter, and created a different APN, uncovering the IPV4/6 options in console and selecting IPV4 only.

re: potential interference - I've also tested it with Ethernet hard wired into the back of a smart TV, and it did the same thing. Complete drop out of internet, then back to life after a few minutes.

So I'm sure its not wifi interference either.
 

TTJJ

ULTIMATE Member
When the internet drops out, does WiFi/ethernet disconnect entirely or is it just telling you there's no internet?
 

skyscraper101

Casual Member
When the internet drops out, does WiFi/ethernet disconnect entirely or is it just telling you there's no internet?

It's just no internet. I can log into the router fine with no problems.

Also I know it's not an EE signal issue because my phone data works fine in the same room.
 

Lucian

ULTIMATE Member
Get another router off Amazon, see if same thing happens with it. B818 is a good choice. Return if no improvement..
 

Buggerlugz

ULTIMATE Member
It's just no internet. I can log into the router fine with no problems.

Also I know it's not an EE signal issue because my phone data works fine in the same room.
I've had this in the past with Three where it drops out for 30mins to an hour at a time and even though the routers connected no throughput happens. Then all of a sudden it sorts itself out. It might be an issue with your mast. I'd check the three network support checker.

 

MrDave

Top Member
I still get the same issue with Vodafone occasionally, so this isn't just restricted to Three/EE. Wi-Fi is connected but no internet. Just have to wait it out or reset router.
A B818 didn't solve this either so back it went.
 

skyscraper101

Casual Member
I've had this in the past with Three where it drops out for 30mins to an hour at a time and even though the routers connected no throughput happens. Then all of a sudden it sorts itself out. It might be an issue with your mast. I'd check the three network support checker.


Thanks, this is on EE though.

However I still get perfect service on my EE phone so assuming they're connected to the same mast, it would rule out a mast issue.
 

skyscraper101

Casual Member
I tried the new MTU at 1500 in the settings and still had issues last night.

Just a thought but could this be EE causing this? They consider all router based traffic to be 'hotspotting' and place a cap pf 100Gb p/m on this.

I'm dubious, because I've had differing reports from EE on this matter, and also it had been working fine for the last 6 months or so when I'd gone well over 100Gb (every month). Also, I was getting this same issue before I hit the 100gb last month.

I feel the only option left is to try a new router at this point.
 

skyscraper101

Casual Member
I still get the same issue with Vodafone occasionally, so this isn't just restricted to Three/EE. Wi-Fi is connected but no internet. Just have to wait it out or reset router.
A B818 didn't solve this either so back it went.

That's interesting as I was considering Vodafone if I don't get any joy.
 

skyscraper101

Casual Member
I have one other option I could try which is a VPN which others seemed to mention working for them.

I already have a PIA account, but thinking of switching to Express VPN as it seems to work better with Netflix, iPlayer etc.
 

MrDave

Top Member
I have one other option I could try which is a VPN which others seemed to mention working for them.

I already have a PIA account, but thinking of switching to Express VPN as it seems to work better with Netflix, iPlayer etc.
I think PIA support L2TP so you could add it directly to the router VPN settings to try it.
 

tartanGuru

Regular Member
It's just no internet. I can log into the router fine with no problems.
I've been having this same issue with my B535 on EE for the past few weeks. I believe it's some kind of DNS issue as I can reach IP addresses fine e.g. the router login page, but URL lookups seem to fail for a 30 seconds and then recover. My B535 model has bridge mode available so I might turn that one move firewall/DHCP duties over to my Eero to see if that fixes the problem
 

Buggerlugz

ULTIMATE Member
Also worth checking is the time setting on the router, if the NTP server isn't connecting you can get this issue.
 

tartanGuru

Regular Member
Also worth checking is the time setting on the router, if the NTP server isn't connecting you can get this issue.
Thanks for the tip - interestingly my timezone was set to GMT+1 for some reason so now it at least tallys.
I also tried setting up the bridge mode on my B535, but my eero really wasn’t happy with that and complained that it had no internet despite it’s fixed IP config being correct. I’m now double NATing but so far haven’t had any internet issues.
 

skyscraper101

Casual Member
Thanks for the tip - interestingly my timezone was set to GMT+1 for some reason so now it at least tallys.
I also tried setting up the bridge mode on my B535, but my eero really wasn’t happy with that and complained that it had no internet despite it’s fixed IP config being correct. I’m now double NATing but so far haven’t had any internet issues.

Let us know how is goes. I've managed to get a loan of a HTC 5G Hub router which on top of giving me 5G now, has managed to fix the issue.

I still want to resolve whats going on with this Huawei B535 though.
 

tartanGuru

Regular Member
Let us know how is goes.
Things are much happier now especially since I moved my eero gateway into the B535’s DMZ. I do have a lot of devices on my network (over 35) so I wonder if the B535 built in firewall/DHCP sever simply isn’t up to the job. The only issue is that my eero really doesn’t like the B535’s bridge mode but I can live with double NATing
 
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