Patent ID: 7596614

Claim:
A computer network having snooping means to monitor and control illegitimate use of the network and to control quality of service (QoS) access of devices to the remainder of the network, said snooping means including: at least one switch connecting at least one edge device to the remainder of the network, said at least one switch including: snooping apparatus using DHCP to monitor signal traffic through the switch to or from each edge device to determine, without changing the signal traffic, for each edge device, a MAC address, an IP address, and a port of the switch to which it is connected; and a first dynamic table within said switch of, for each edge device, the MAC address, the IP address, and the port which it is connected, the contents of the first dynamic table being provided by said snooping apparatus; and an authentication server which includes a second table of user names and their relevant passwords used by Network Login, in which the second table, which includes User and Password information, also includes, for each user name and password, a corresponding virtual local network (VLAN) membership, VLAN tag and QoS profile traffic classification, wherein the user name, VLAN membership, VLAN tag and QoS profile traffic classification obtained from the authentication server and the second table are added to the first dynamic table.