Video calls or certain apps work poorly despite decent speed
You have two routers in series: the provider modem also routes, and behind it sits your own router. That is "double NAT" and breaks many apps.
Try this first
- 1Look at the provider modem. Does it have its own Wi-Fi and a separate LAN port your router is behind? Likely double NAT.
- 2In the provider modem's admin page, find "bridge mode" or "modem-only". That hands routing over to your device.
- 3Not all providers allow this. Call them and ask if they can flip bridge mode remotely.
- 4Bridge mode not possible? Put your own router in "AP mode" or "bridge" and let the provider modem be the only router. Less control, but no double NAT.
When to bring us in
For business setups with VoIP, RDP or heavy video, double NAT is genuinely annoying. We arrange bridge mode with your provider and put your firewall in charge.
See also
- Wi-Fi drops randomly across the officeFirst rule out whether it is the access points or the internet connection itself. Different fix.
- One room or corner has no or bad Wi-FiNot always "add another AP"; often one is poorly positioned, or there is a metal wall in the way.
- Internet is suddenly slow for everyoneThree suspects: your provider, a colleague soaking the line, or a backup or update kicking in unexpectedly.
None of the above fits?
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