Issues connecting Nest cameras to Huawei router when EE sim installed

[AnderPsych]

Hi all, new here and hoping this will (1) make sense, and (2) be something that can be fixed!

I have a Huawei B525s-23a 4G router that, until recently, I was running on a sim from Three. I had all my Nest cameras attached to it, among other things. I recently joined EE as I saw better speed, and got an unlimited mobile sim (as I read elsewhere on here that you can use it in a router as long as you conform to the FUP of being under 1,000Gb per month). When connecting to that router, I do get some internet (and some strong speeds) when running speed tests, however, these speed tests often take 30-60 seconds to start before returning a ping of about 23 and then showing me good speeds between 100 and 200Mbps. 

That said, I go into my Nest app and all my cameras are offline. I put the Three sim back in and they all come back up; I put the EE sim back in and they’re offline. I tried to go through the pairing again of the cameras to the WIFI router and it fails out every time it comes to the WIFI testing stage.

Any idea what might be causing this, or what I could try to get around it? I may need to cancel my EE and live with my Three connection.

Many thanks in advance

Martin

[AnderPsych · Accepted solution]

Well, updating to say the new router sorted the issue. That's a gold star for the HUAWEI 5G CPE Pro2 Router.

I unplugged the HUAWEI B525s-23a and plugged in the new one wit the EE sim in it, everything came to life almost immediately.

I looked into the settings and it appears the APN is all still automatic, but it seems to have picked the best settings. The signal is great and speed is best I've had since I moved in here over 3 years ago.

Thanks all for the help. Although we don't know for sure what the issue was, we know the router was part of it. I'd recommend staying away from the HUAWEI B525s now that the 5G CPE Pro2 is available (can't comment on any others, of course).

[mikeliuk]

Fantastic news! Do you see whether the APN is set to dual-stack IPV4V6, IPv4-only, or IPv6-only? Do you see one or both an IPv4 and/or IPv6 is set on the WAN? (The second question is actually still important even if the first is answered.)

These known-good details will be helpful for other people in debugging what works and what does not work. It seems that with 464xlat, IPv6-only on the WAN should also work with IPv4 in the private network/subnet/lan to access IPv4 explicit targets out on the internet. The issue mainly seems to be that IPV4V6 dual-stack does not work as one might hope.

[AnderPsych]

Unfortunately, the GUI for the new router is a very facelifted version of the same features of the previous one, so none of that information is available. Sorry.

I think the best I can offer is for people not to expect a B525s to work with the EE sim card.