Internet router unable to limit bandwidth
4.5
Bandwidth control or rate limiting settings are not taking effect.
Symptoms
- Devices still use full speed
- Settings don't save
- QoS doesn't work
Possible Causes
- Hardware acceleration (NAT Boost) enabled
- Incorrect speed units
- Firmware limitation
Step-by-Step Fix
1
Disable NAT Boost
Hardware acceleration often bypasses software bandwidth limits.
2
Check Units
Ensure you are using Kbps or Mbps correctly as per the router UI.
3
Apply to MAC Address
Try limiting by specific device MAC rather than IP.
When to See a Technician
Bandwidth limiting is CPU-intensive for routers. Cheap routers may struggle to enforce it accurately.
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