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Dual Band Wi-Fi Setup

Discussion in 'Tomato Firmware' started by Bill_S, Apr 1, 2013.

  1. Bill_S

    Bill_S Network Guru Member

    I recently purchased a dual band router, 2.4GHz and 5GHz, and was unsure of how to efficiently set it up. Should I set both radio’s to the same SSID and Wi-Fi security shared key or use different SSID’s and shared key's?
    I would appreciate any guidance, thanks.
     
  2. Toxic

    Toxic Administrator Staff Member

    that is entirely a user decision personally i would use the same SSID but have a long key with at least 22 characters in the password for security.
     
  3. Bill_S

    Bill_S Network Guru Member

    Thanks Toxic, so you think that using the same SSID is the most effective. What I was most concerned with was the PC side. If the PC is able to handle both 2.4 and 5GHz would it be better to have the AP's set to the same SSID/PW and allow the device select the frequency based on strength?
     
  4. Toxic

    Toxic Administrator Staff Member

    there is really only one way to find out. try it, and see which is the better/more compatible of the two.
     
  5. Bill_S

    Bill_S Network Guru Member

    Ok, thanks again, will give it a try for a month and post my opinion here.
     
  6. Monk E. Boy

    Monk E. Boy Network Guru Member

    Some devices are capable of using both 2.4 and 5 at the same time for increased performance, which generally only works if both are using the same SSID and passkey. But it depends on the device.

    Make sure your passkey doesn't use dictionary words either. ThisIsALongPasswordOhByGollyWow isn't as strong as a string of random alphanumeric characters thrown together of the same length. The former would likely be secure under most circumstances but a 12yo next door neighbor with nothing to occupy their time could run a continuous dictionary attack on your key for ages and get in. It's not something they need to be in front of the computer for, it'd just be a background process... they're sleeping, eating, at school, whatever, their computer could just sit there banging against your router trying to find the key.

    Also, WPA encryption is flawed (specifically TKIP), the current security ideal is WPA2 + AES.
     
  7. occamsrazor

    occamsrazor Network Guru Member

    Personally I prefer to keep separate SSIDs, like Wifi-5G and Wifi-24, to enable me to keep some devices on one and others on the other. For example I want the fastest possible network speeds for wifi file transfer (backing up etc) on my laptop. So I keep my laptop on 5Ghz, and make all other devices connect to the 2.4Ghz. Having two SSIDs gives you a bit more control in my opinion.
     
  8. gfunkdave

    gfunkdave LI Guru Member

    I also like to keep separate SSIDs so I know which network a given device is connecting to, especially if I want to make sure things connect to 5 GHz that are capable of it.
     

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