Airport Extreme cuts my speed in half

Discussion in 'Mac Accessories' started by MacCentric, Aug 19, 2013.

  1. MacCentric, Aug 19, 2013
    Last edited: Aug 19, 2013

    MacCentric macrumors newbie

    MacCentric

    Joined:
    Apr 16, 2011
    #1
    I have an older Airport Exreme, the first one with gigabit ports, and when I run my modem into it I get about 30 Mbit download speed, but when I remove it and plug the modem directly into my Mac I get 55Mbit speeds. Is this normal for these routers?
     
  2. ftaok macrumors 601

    ftaok

    Joined:
    Jan 23, 2002
    Location:
    East Coast
    #2
    What do you get if you plug your Mac to your Airport using Ethernet? NOTE - I'm assuming that you're concerned with the connection speed when connected via wifi.
     
  3. MacCentric thread starter macrumors newbie

    MacCentric

    Joined:
    Apr 16, 2011
    #3
    Good point, ethernet also achieves 55Mbit, so it's just the wifi part that's slower.
    Looking at the airport, it shows Transmit Rate of 300, RSSI -39, MCS Index 15, this is using 5Ghz 802.11n. Not sure what's holding it up.
     
  4. ftaok macrumors 601

    ftaok

    Joined:
    Jan 23, 2002
    Location:
    East Coast
    #4
    I'm no expert at this and I'm jealous of your speeds ... both 55 and 30 are faster than my paltry 25.

    Anyways, here are some things that I would try first.

    1. change the channel to something else. maybe there's interference on that particular channel.

    2. temporarily disable encryption to see if that's an issue.

    3. make sure your computer isn't set for 11g speeds somehow.

    4. try a computer to computer file transfer and measure or calculate the speeds.

    5. make sure you have the latest firmware installed on the AEBS. NOTE - do a little research on this one first. I've heard people losing functionality after updating the firmware. Mainly high end (geeky) functions that Apple has taken out. Also note that I didn't fully understand the snippets that I've read as I'm not an expert and those functions didn't seem to bother me too much.
     

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