E3000 Shibby build WAN slowdown

Discussion in 'Tomato Firmware' started by MaX PL, Jul 16, 2013.

  1. MaX PL

    MaX PL Networkin' Nut Member

    So my ISP has finally upgraded us to this:

    and I can get it directly through the modem or through the router(ethernet), but not through wireless.

    I can only hit about half that download over wireless using a intel 5300 wireless N card on a 2.4ghz channel at 40mhz.

    The e3000 has a gigabit wan port so I should be getting the max download over wireless, but theres gotta be something in my routers settings thats limiting my speed.

    Any ideas?
  2. MaX PL

    MaX PL Networkin' Nut Member

  3. Marcel Tunks

    Marcel Tunks Networkin' Nut Member

    ~50Mbps is typical for "300Mbit" 802.11n on 2.4GHz. There are lots of threads on this topic.

    Make sure to disable power saving features on the Intel wireless card, or else you'll get inexplicable drops in connection speed and occasional complete loss of connection.

    Consistency of throughput and latency depends on your wireless environment, and trying different channels (1,6,11) and channel widths (20/40) will sometimes yield better results - i.e. 20MHz channel width is often more consistent and sometimes faster due to reduced interference from adjacent WLAN and non-WLAN activity.
  4. cloneman

    cloneman Addicted to LI Member

    I top out at about 80mbps on my e4200v1, typical is probably around 65mbps, and that's with an Intel Extreme 6300 card on the other end. This is consistent with other benchmarks on the web http://www.smallnetbuilder.com/wireless/wireless-charts/

    you're also possibly approaching a CPU bottleneck on your router @ 120mbps.

    I would login to your router's SSH interface and check the si% / sirq% in "top" , to see if it's at 100%. Not sure if that represents true bottlenecking, but it seems to be correlated.
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