1. Larsenv

    OP Larsenv Dr. Wii, Ph.D
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    So, you might know that you can use your Mac as a Wi-Fi hotspot. That can be used to play DS games with Wiimmfi. In Big Sur, Apple removed the option in the System Preferences to create a hotspot with no security, but it's still possible to make an open hotspot. I'm going to college very soon, so I wanted to figure out a way to play DS games in my dorm. In this tutorial I will also tell you how to set up port forwarding so you can matchmake properly. I tested this briefly.

    You can use either Ethernet or an iPhone with cellular data as your hotspot. (You cannot use the personal hotspot feature on the iPhone, because it does not support making WEP or open hotspots).

    If you want to use an iPhone as your hotspot:

    1. Connect your iPhone to your Mac with the Lightning cable.
    2. Make sure Personal Hotspot is turned on in your iPhone's settings.
    3. Go to System Preferences > Network.
    4. Press the + icon in the corner and select iPhone USB.
    5. You want to use the hotspot without a cable? Click "Set Up Bluetooth tethering", then in the Bluetooth menu right click on "Connect".
    If you want to use Ethernet as your hotspot, continue on.

    1. Go to System Preferences > Sharing.
    2. Press "Internet Sharing", and then under "Share your connection from" select Bluetooth PAN 2 if using your iPhone wirelessly, iPhone USB if using your iPhone plugged into your computer, or Ethernet if you're using Ethernet.
    3. Check Wi-Fi under "To computers using"
    4. Click "Wi-Fi Options" and make a name for your hotspot, then press OK. If you're on Catalina or lower, select the option to make a hotspot with no password. (Some versions of macOS around Mountain Lion or lower support making a WEP hotspot, but I don't think you're still using a version that old, are you?
    5. Check the "Internet Sharing" box.
    If on Big Sur, you need to manually set the hotspot to have no password. If you're on Catalina or lower, skip this step.

    1. Open the Terminal application.
    2. Type in sudo nano /Library/Preferences/SystemConfiguration/com.apple.airport.preferences.plist
    3. Enter your password then press Enter (you won't be able to see the password being typed).
    4. Change the line <string>WPA2/WPA3 Personal</string> to <string>Open</string>.
    5. Press Control+X, then press Y, then press Enter.
    Now we will set up the port forwarding so you can matchmake properly.

    1. Open the Terminal application if you haven't already.
    2. Type in sudo nano /etc/pf.conf
    3. Enter your password then press Enter (you won't be able to see the password being typed).
    4. Add a new line at the end containing: rdr pass inet proto udp from any to any port 1024:65535 -> 192.168.2.34
    5. Press Control+X, then press Y, then press Enter.
    6. Restart your Mac.
    Finally, we will configure the Internet settings on your DS system.

    1. Open the Nintendo Wi-Fi Connection Settings.
    2. Search for networks and select yours.
    3. Open the manual settings, and select "No" for Auto-obtain IP Address.
    4. Type in 192.168.2.34 for the IP Address.
    5. Type in 255.255.255.0 for the Subnet Mask.
    6. Type in 192.168.2.1 for the Gateway.
    7. Type in 164.132.44.106 for the Primary DNS.
    8. Type in 1.1.1.1 for the Secondary DNS.
    Do a connection test. Hopefully everything works and you can start playing!
     
    Last edited by Larsenv, Aug 11, 2020
  2. Crazynoob458

    Crazynoob458 That Reshiram
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    Eh going to stick with my android
     
  3. maorninja

    maorninja GBAtemp Advanced Fan
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    Then clearly this isn't for you. You're not helping
    Great find Larsenv
     
  4. Yanis_Dreemurr

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    Does it also work for the Windows version or it’s just for the Mac version?
     
  5. Sneethan

    Sneethan GBAtemp Regular
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    On win10 just make a hotspot with no password on 2.4ghz and you should be fine.
     
  6. Larsenv

    OP Larsenv Dr. Wii, Ph.D
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    Personally I don't use the setup I created, because it caused problems. I couldn't use the DNS and it would only work when I restarted my computer. It still might be useful to people running macOS Catalina or lower, instead of Big Sur.

    I'm in college now, and I just hooked up an AirPort Express with WEP on it. You can get one on eBay for cheap. I have to run https://github.com/RiiConnect24/DNS-Server on it since my college blocks DNS.
     
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