T-Mobile Home Internet + Google Nest WiFi

same issue here. support says its cause of double nat. but no way to solve

sebas506zuiga wrote:

Jolt wrote:

I just received my 5G gateway. I am converting from Xfinity Internet service. I have an existing nest Wi-Fi mesh already configured at home. Setting the gateway up was extremely simple. 

I am converting from Xfinity Internet service. I have an existing nest Wi-Fi mesh (gen 2) already configured at home. This mesh Wi-Fi system works perfectly fine with the Xfinity service and stable for several years.

When I connect the nest Wi-Fi router into the T-Mobile gateway (Ethernet) the Internet works however, it’s about a quarter of the speed of the T-Mobile gateway if I directly connect to it. 
 

ookla Speedtest when connected to T-Mobile Wi-Fi is great —> 330+Mbps down 33Mbps Up

ookla Speedtest when connected to Nest Wi-Fi mesh, is 45Mbps down an 13 Mbps up.

end point testing performed with iPhone 14 pro max and MBP yield Sam results 
 

my SSIDs are different for the mesh and the Gateway.

 

any thoughts on why such a drastic drop in performance 

I have the exact same problem. The speed from the Google Wifi mesh is around a quarter of what the same device in the same positions gets from he T-Mobile gateway (different SSIDs)

Did either of you resolve the 75% drop in performance between the T-Mobile Gateway and the Google Wifi mesh? I have the same issue; using the Nokia 5G21 gateway and Google Nest wifi Pro. I am not the most tech savvy but from what I can glean it may be related to the double NAT which results from installing the Google Nest Pro as a router "after" the Nokia router/modem combo?? Is this an insurmountable problem with the T-Mobile provided equipment? If yes, why are they promoting Google nest? If I can't resolve this, then I will need to drop T-Mobile. :(

Jolt wrote:

I just received my 5G gateway. I am converting from Xfinity Internet service. I have an existing nest Wi-Fi mesh already configured at home. Setting the gateway up was extremely simple. 

I am converting from Xfinity Internet service. I have an existing nest Wi-Fi mesh (gen 2) already configured at home. This mesh Wi-Fi system works perfectly fine with the Xfinity service and stable for several years.

When I connect the nest Wi-Fi router into the T-Mobile gateway (Ethernet) the Internet works however, it’s about a quarter of the speed of the T-Mobile gateway if I directly connect to it. 
 

ookla Speedtest when connected to T-Mobile Wi-Fi is great —> 330+Mbps down 33Mbps Up

ookla Speedtest when connected to Nest Wi-Fi mesh, is 45Mbps down an 13 Mbps up.

end point testing performed with iPhone 14 pro max and MBP yield Sam results 
 

my SSIDs are different for the mesh and the Gateway.

 

any thoughts on why such a drastic drop in performance 

I have the exact same problem. The speed from the Google Wifi mesh is around a quarter of what the same device in the same positions gets from he T-Mobile gateway (different SSIDs)

I just received my 5G gateway. I am converting from Xfinity Internet service. I have an existing nest Wi-Fi mesh already configured at home. Setting the gateway up was extremely simple. 

I am converting from Xfinity Internet service. I have an existing nest Wi-Fi mesh (gen 2) already configured at home. This mesh Wi-Fi system works perfectly fine with the Xfinity service and stable for several years.

When I connect the nest Wi-Fi router into the T-Mobile gateway (Ethernet) the Internet works however, it’s about a quarter of the speed of the T-Mobile gateway if I directly connect to it. 
 

ookla Speedtest when connected to T-Mobile Wi-Fi is great —> 330+Mbps down 33Mbps Up

ookla Speedtest when connected to Nest Wi-Fi mesh, is 45Mbps down an 13 Mbps up.

end point testing performed with iPhone 14 pro max and MBP yield Sam results 
 

my SSIDs are different for the mesh and the Gateway.

any thoughts on why such a drastic drop in performance 

Bad wrote:

 

1. Make sure the wifi point you plug into the T-Mobile gateway is the "router" point (the point that was plugged into your old modem), not one of the "bridge" points. Otherwise you'll have to RESET all wifi points in the mesh just like you had to do when you first setup your Google mesh.  Use the Google Home app if you need to find which point is your Google wifi "router" point.

Godblessyuh for this helpful comment. I was upstairs trying to get the Google Wifi to work by plugging the T-Mobile gateway into one of the *other* points, and it wasn't working. T-Mobile customer support tech was a very nice guy, but had no training on how to hook up Google Wifi to the T-Mobile gateway, and couldn't find any information in their files.

After finding this post I took the gateway downstairs and plugged it into the original router point -- the one I'd had attached to my cable modem -- and it started working right away. Simple plug and play, no IP address changes or other changes needed. Sweet relief, thanks!

Bad wrote:

SETTING UP GOOGLE NEST WIFI POINTS WITH T-MOBILE HOME INTERNET

Example 1: You had Google Nest Wifi Points setup with a modem from another provider.

The Google Wifi point plugged into the old modem is the "router" point and all other wifi points are "bridge" points.  Since T-Mobile is a "gateway" that means it's a modem and router all-in-one. 

1. Make sure the wifi point you plug into the T-Mobile gateway is the "router" point (the point that was plugged into your old modem), not one of the "bridge" points. Otherwise you'll have to RESET all wifi points in the mesh just like you had to do when you first setup your Google mesh.  Use the Google Home app if you need to find which point is your Google wifi "router" point.
2. Make sure that your T-mobile gateway network name is DIFFERENT from your Google mesh network name.  The T-mobile gateway is also wireless and if both your gateway and mesh networks have the same network name then you'll have problems (DOUBLE NAT) with devices and apps because your devices and apps will think they're on the same network but in reality some are on the T-Mobile wifi network and some are on the Google wifi mesh network, thus the devices and apps can't "see" each other.  (I.E. Your Roku app can't see your Roku TV or your laptop can't see your wireless printer)
3. Make sure your phone is on the correct network.  In phone settings select your Google Mesh network and connect.  Turn on "prefered network" and "automatically connect network".  All the other networks, the Google Mesh Guest and the T-Mobile network select Forget Network, unselect or turn off "prefered network" and "automatically connect network" so your phone will not automatically connect to the wrong network.  Make sure these settings off in the networks not used as the default setting is on.

Example 2: You have T-Mobile Home Internet and you want to extend it with a Google Mesh Wifi Points or Hubs.

1. The Google Wifi point you plugged into the T-Mobile “gateway” is the “router” point and all other Google wifi points are “bridge” points. 
2. Just pretend that your T-Mobile “gateway” is just a modem, not a router and do the Google Mesh Wifi setup. 
3. Make sure you follow Steps 1-3 in Example 1 as you do the setup.

WARNING: I know in the geek world to have a Google wifi point “router” plugged into the T-Mobile “gateway” router/modem is redundant and we want to FIX IT. 

Some want to make all the wifi points "bridge" points and not have the Google "router" point.  The Google mesh is designed where the Google "router" wifi point controls all the Google "bridge" points.  If you change the router wifi point to a bridge point then your mesh system will NOT work.  

Some want to reconfigure the T-Mobile "gateway" and turn off the router portion of the modem/router combo.  The research I've done suggests this can't be done because the "gateway" modem/router are integrated.

Love the post and the geek world part.  Yes, it's bugging me to have a redundant router with the T mobile gateway. 

Connecting your existing (or new) google mesh wifi to the Tmobile 5G Gateway is pretty easy. When you setup the Tmobile 5G Gateway make sure that you give its wifi/network a different name than the existing Google mesh wifi/network. After setting up the Tmobile 5G Gateway, connect the Google mesh router to it through the ethernet port at the back. Eso es todo. 

Your existing devices that were connected to the Google mesh wifi will automatically reconnect since you have not changed the network name of the Google mesh or its password.

It worked for me hopefully it will for you too. 

SETTING UP GOOGLE NEST WIFI POINTS WITH T-MOBILE HOME INTERNET

Example 1: You had Google Nest Wifi Points setup with a modem from another provider.

The Google Wifi point plugged into the old modem is the "router" point and all other wifi points are "bridge" points.  Since T-Mobile is a "gateway" that means it's a modem and router all-in-one. 

1. Make sure the wifi point you plug into the T-Mobile gateway is the "router" point (the point that was plugged into your old modem), not one of the "bridge" points. Otherwise you'll have to RESET all wifi points in the mesh just like you had to do when you first setup your Google mesh.  Use the Google Home app if you need to find which point is your Google wifi "router" point.
2. Make sure that your T-mobile gateway network name is DIFFERENT from your Google mesh network name.  The T-mobile gateway is also wireless and if both your gateway and mesh networks have the same network name then you'll have problems (DOUBLE NAT) with devices and apps because your devices and apps will think they're on the same network but in reality some are on the T-Mobile wifi network and some are on the Google wifi mesh network, thus the devices and apps can't "see" each other.  (I.E. Your Roku app can't see your Roku TV or your laptop can't see your wireless printer)
3. Make sure your phone is on the correct network.  In phone settings select your Google Mesh network and connect.  Turn on "prefered network" and "automatically connect network".  All the other networks, the Google Mesh Guest and the T-Mobile network select Forget Network, unselect or turn off "prefered network" and "automatically connect network" so your phone will not automatically connect to the wrong network.  Make sure these settings off in the networks not used as the default setting is on.

Example 2: You have T-Mobile Home Internet and you want to extend it with a Google Mesh Wifi Points or Hubs.

1. The Google Wifi point you plugged into the T-Mobile “gateway” is the “router” point and all other Google wifi points are “bridge” points. 
2. Just pretend that your T-Mobile “gateway” is just a modem, not a router and do the Google Mesh Wifi setup. 
3. Make sure you follow Steps 1-3 in Example 1 as you do the setup.

WARNING: I know in the geek world to have a Google wifi point “router” plugged into the T-Mobile “gateway” router/modem is redundant and we want to FIX IT. 

Some want to make all the wifi points "bridge" points and not have the Google "router" point.  The Google mesh is designed where the Google "router" wifi point controls all the Google "bridge" points.  If you change the router wifi point to a bridge point then your mesh system will NOT work.  

Some want to reconfigure the T-Mobile "gateway" and turn off the router portion of the modem/router combo.  The research I've done suggests this can't be done because the "gateway" modem/router are integrated.

So I looked farther after I made this post. I got it to where I could plug my computer directly into the T Mobile device and the location was incorrect. I would type "wheremai" and check the computer vs the mesh. They were in agreement. The help people said everything looked good that hey could see so they though I had a bad device. Every time I powered it on it came up in different major cities. The people at the store are always great. The only problem was that their system would not let them exchange it for a working device. They had to order one to replace the broken one. I hate that. I was getting about 350mbps with the hub. Sadly to say I had to come home and hook my cable modem back up. The really interesting data point was I could power the Tmobile device and ask what time it was to the mesh. It had the correct but as soon as I asked for something regional like the weather or location the time would change to the zone it was reporting from. I would love to have been able to reload the software and firmware. I suspect that would have corrected the issue. I was a little surprised they couldn't even do that in the store.

Lesson 1: No matter how great the box works:

Keep the receipt and the original box. That seemed to tilt them a little at the store. They had boxes in the back. I wish I could have walked out with a new box as opposed to waiting now on shipping leading me to

lesson 2:

Don't turn off your current provider until you have run with the new box for a while. Had I turned off my COX cable I would have to live with weather from other places and alarms going off for the wrong time zones.

For the people asking about the mesh my observations from the mesh correlated directly with what I had without the mesh. I am certain that the mesh had nothing to do with this and was working fine other than this bug. I have no doubt that the mesh will work great as always. I have thee hubs on my mesh and a Google Home. They all worked great. I don't think I had any compatibility issues. I just plugged everything in and it worked.

Agreed.  If your mesh system was set up plugged into some other modem you just unplug it from there and plug it into the tower/trash can and between Google Home and your phone logged into the mesh system, it does it all. I guess it must get info from the phone about the new network? I just did a factory reset the other day on the mesh system and that part was totally painless. (I had stupidly removed permission from a speaker of all things to access my Google account.)