Patent ID: 7362742

Claim:
In a first authoritative access point, a method of synchronizing two or more subnet mapping tables maintained by two or more authoritative access points, comprising: receiving one or more subnet mapping tables from one or more authoritative access points; and updating a first subnet mapping table maintained by the first authoritative access point corresponding to the one or more subnet mapping tables received from the one or more authoritative access points; wherein the first authoritative access point and the one or more authoritative access points each maintains access point information for a plurality of active access points and is responsible for sending information to the plurality of active access points regarding modifications to the access point information; wherein each of the subnet mapping tables that have been received identifies one or more access points; and determining whether information in the received subnet mapping table is current; wherein updating is performed such that the first subnet mapping table includes the information from the received subnet mapping table that is determined to be current.