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Client operation for network access

  • US 7,852,819 B2
  • Filed: 02/28/2008
  • Issued: 12/14/2010
  • Est. Priority Date: 03/01/2007
  • Status: Expired due to Fees
First Claim
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1. A method of operating a network traffic device for communication using a network communication protocol over a managed network, the method comprising:

  • receiving an uplink identifier (ID) that identifies a wireless network for uplink communication using the network communication protocol;

    performing a scan of wireless networks and producing identical first and second lists of access points identified by the scan and wireless networks with which the identified access points are associated;

    deleting access points from the first list that are not suitable for use as an uplink for the managed network;

    deleting access points from the second list that are not members of the managed network;

    associating with an identified access point that remains in the first list and operating as a gateway to neighboring access points for the uplink wireless network of the uplink ID;

    joining an existing wireless network identified in the second list by the performed scan if no identified access point remains in the first list, and otherwise operate as a gateway and permit client devices to associate for a predetermined time and then repeat performing the scan of wireless networks;

    wherein associating with an identified access point that remains in the first list comprises;

    selecting the access point in the first list with the greatest received signal strength indication (RSSI) value;

    sending a DHCP request message to the selected access point and associating with the selected access point with operation as a gateway;

    broadcasting availability to neighbor client devices as a gateway to the wireless network with the received uplink ID if associating with the selected access point was successful.

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