Internet router unable to block devices
4.5
The "Block" or "Blacklist" feature is failing to stop devices from connecting.
Symptoms
- Blocked device still has internet
- MAC address keeps changing
- Whitelist mode active
Possible Causes
- Randomized MAC addresses
- Incorrect MAC entered
- Bypass via guest network
Step-by-Step Fix
1
Identify Real MAC
Check the device settings to find its "Hardware MAC" rather than "Private MAC".
2
Use Whitelist Mode
Instead of blocking bad devices, only allow known good ones.
3
Block on Guest Network
Ensure the device isn't connecting to the guest WiFi instead.
When to See a Technician
Modern phones change their MAC address for privacy. Blocking by MAC is becoming less effective.
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