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I am doing a small home automation project where I want to monitor mobile devices that will connect to my wifi router (for instance to turn on the lights when I approach my house).

My first idea was to monitor the wifi connections on the router via SNMP, but I am having a hard time because apparently there's no standard MIB for wifi connections of for a DHCP table.

My questions:

  1. Do you know if it's possible via SNMP to query my router for wireless connected devices, or to be notified by it once a new device connects?

  2. Do you know another method I could use to discover when a new device connects to my wifi router?

Thanks a lot.

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What router are you using? is it standard firmware? I think you might need dd-wrt or Tomato to do something as bespoke as this –  Simon Hodgson Jun 20 '12 at 13:54
    
It's a d-link router with SNMP support. I'll take a look at dd-wrt and Tomato, thanks. –  DanielS Jun 20 '12 at 14:26
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