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Incredibly slow wifi upload speeds over pppoe

Community Member

Hi all. Recently, setup a Nest Wifi configuration connected to a 1/1 Gbps PPPoE Fiber setup with CenturyLink. Am currently using the original CenturyLink modem to transparently bridge (it does transparent VLAN mapping) to one wired nest wifi router, and have a second nest wifi router and a nest wifi point both acting as access points over wifi mesh. What is boggling to me is even if I'm standing within 5 ft for the wired router, my download speeds seem acceptable for my expectations (250 Mbps - 400 Mbps), but my upload speeds are terrible getting no higher than 30Mbps. Meanwhile, speed testing over the wired LAN connection coming from the same wired router yields speeds in excess of 800/800 Mbps, so I know the WAN speeds are much higher. I've setup a Nest Wifi configuration before (using the same equipment) over Google Fiber (albeit both routers were wired and the point was, obviously over wifi) as well as two different Nest Wifi Pro configurations over both Google Fiber and Xfinity cable, and have never seen this same incredibly slow upload behavior. Only difference I can currently see between this configuration and my other successful configurations is the setup using PPPoE.  I've seen several posts about slow upload speeds on the Nest Wifi products, but haven't seen much in the way of an identified solution outside of trying turning off preferred activities. It sure feels like a firmware bug. Does anyone have any insight into this? Many thanks.


Community Specialist
Community Specialist

Hey latortuga,

Thanks for posting — let's see what's going on. 

Quick question: do you have any paused devices? 

Give these steps a try:

If you're using a modem/router combo, set that to bridge mode to avoid double NAT issues.
Make sure that there is minimal to no interference (concrete, bulletproof glass, metal, mirror, etc.) and the points are no more than two rooms apart.
Remove any special characters in your network name and password.
Turn off IPv6.
Change your DNS server into on the primary and on the secondary server. Hit the save/ floppy disk icon on the upper right.
Unplug the power from your Google Wifi devices for 2 minutes.
If the issue persists, try factory resetting your network. Take note that this will delete all network data and history.

Let us know how it goes.


Community Specialist
Community Specialist

Hi latortuga,

Checking back in should you still have some questions here. Let us know by replying to this thread. 


Community Specialist
Community Specialist

Hello latortuga,

We haven't heard from you in a while so we'll be locking this thread if there is no update within 24 hours. If you have any new issues, updates or just a discussion topic, feel free to start a new thread in the Community.