Patent ID: 9100242
Filing Date: 2015-08-04
Classification: H04L

Abstract:
1. A computer implemented method, comprising: determining, by a network device connected to a network, an association status between a client and a wireless access point, wherein the wireless access point provides network resources to clients; determining that an entry in a network layer (L3) cache corresponding to the client is to be removed from the network layer (L3) cache, wherein determining includes using the association status; removing the entry corresponding to the client in the network layer (L3) cache; receiving a request for accessing network resources, wherein the request is associated with the client; denying the request for accessing network resources, wherein denying includes determining that the entry corresponding to the client has been removed from the network layer (L3) cache; and redirecting the client to a captive portal website, wherein a captive portal website requests client credential information.