Patent ID: 9197980
Filing Date: 2015-11-24
Classification: H04L,H04W

Abstract:
1. A method comprising: at a wireless network controller configured to perform proxy Address Resolution Protocol (ARP) operations on behalf of connected client devices in a wireless local area network that is accessible to at least first and second operators, creating operator-specific tunnels through the wireless local area network for each of the first and second operators that link a core network of each of the first and second operators with an associated client device; forwarding packets between the core networks of the first and second operators and their associated client devices via the operator-specific tunnels; receiving an ARP request at the wireless network controller from a first client device; determining that the ARP request is directed to a third client device having an Internet Protocol (IP) address that overlaps with the IP address of another client device; and determining a type of the first client device before processing the ARP request.