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Wi-Fi access point

Enable cFos Traffic Shaping for smartphones, tablets and other mobile devices.

Overview of the cFosSpeed menu (context menu)
Overview of the cFosSpeed menu (context menu)

Windows 7, 8 and 8.1 allow you to use your Wi-Fi adapter as an ad hoc Wi-Fi access point. So other devices can connect to your PC (instead of directly to the Wi-Fi router) and therefore can benefit from cFosSpeed Traffic Shaping.

Configuration of the cFosSpeed Wi-Fi access point
Configuration of the cFosSpeed Wi-Fi access point

cFosSpeed now has a context menu option to start and configure (or stop) the Wi-Fi access point easily.

If your PC is connected to the router via Wi-Fi, you can share the same adapter for the ad hoc Wi-Fi access point. Or you can use the Wi-Fi adapter exclusively for the Wi-Fi access point if your PC is connected to the router via network cable. In this case the Wi-Fi bandwidth is fully available for your mobile devices, like smartphone or tablet.

When you have cFosSpeed installed on this PC, the Wi-Fi data is routed through cFosSpeed and, via its Layer-7 protocol detection, cFosSpeed can prioritize the traffic. If you frequently use smartphones and tablets for VoIP or streaming traffic, like music or movies, we recommend to add a Wi-Fi adapter to your PC and route the traffic of your mobile devices through this PC and cFosSpeed.

Troubleshooting using faster IP address assignment

When the PC is used as a Wi-Fi access point, it also uses Internet Connection Sharing and typically assigns IP addresses via DHCP to your mobile device. During the DHCP address negotiation, possible IP addresses are checked for duplicates by means of ARP requests. This address verification can take several seconds which is too long for some devices, so they timeout and cannot get the assigned IP address. We therefore added a workaround for such devices. To activate it you need to use the following command in the console:

spd gset dhcp_fast_ack 1 -save

This causes cFosSpeed to interfere with the DHCP negotiation to send the IP address assignment faster.

Manually set up a Wi-Fi access point (Windows 7 and above)

Open the command shell as Administrator:

netsh wlan set hostednetwork mode=allow

In the list of network connections should now appear "Microsoft Virtual WiFi Miniport Adapter".
netsh wlan set hostednetwork ssid="cFos Wi-Fi" key="your_password" keyUsage=persistent

Check with:
netsh wlan show hostednetwork

Start "Microsoft Virtual WiFi Miniport Adapter".
netsh wlan start hostednetwork

Check with:
netsh wlan show hostednetwork

In the list of network connections the red cross next to "Microsoft Virtual WiFi Miniport Adapter" should have been disappeard.

Right click in the list of network connections on the active Internet connection and select "Properties" from the menu. Click the "Sharing" tab, and then select the "Allow other network users to connect through this computer’s Internet connection" check box.
Under "Home networking connection" select the connection that shows the "Microsoft Virtual WiFi Miniport Adapter" in the list of network connections.

Confirm with "OK".

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