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csteifel
Asked: 2012-05-16 09:35:35 +0800 CST

Wireless roaming aggressiveness

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I was wondering if there was anyway to change the aggressiveness of wireless roaming between access points of the same SSID in ubuntu like there is in windows, I often times find that when I walk downstairs in my house that I have an awful wireless signal even though I'm basically next to an access point, so I have a feeling that its not switching access points when I move. I am running ubuntu 12.04 right now.

wireless 12.04

2 Answers

  1. My understanding is that the sensitivity to Access Point roaming, can be setup using iwconfig;

    iwconfig wlan0 sens <value>

    On modern cards, this parameter usually controls handover/roaming threshold, the lowest signal level for which the hardware remains associated with the current Access Point. When the signal level goes below this threshold the card starts looking for a new/better Access Point. e.g.

    iwconfig wlan0 sens -80
iwconfig wlan0 sens 2

    (reference manual)

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  2. So I was wondering how you would get the currently set value. I don't know if it is part of iwconfig output or some other command. Can't seem to find it.

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