Network including snooping

Details Network including snooping Network including snooping

2011-05-27

2011-11-08

Lin, Wen-Tai (Department: 2454)

Electrical computers and digital processing systems: multicomput

Computer network managing

Computer network monitoring

C709S245000, C726S013000, C370S336000

Reexamination Certificate

active

08055768

ABSTRACT:
An apparatus includes: a logic circuit with electronic memory to: monitor signal traffic with at least one client and a computer network to determine, without changing the signal traffic, for each client, a network address and a port to which that client is connected; provide to a first dynamic table the network address and port for each said client; access an authentication server that has a second table of user names and corresponding passwords for network login, in which the second table also includes for each user name and password a corresponding virtual local network (VLAN) membership and/or VLAN tag and/or Quality of Service (QoS); and add to the first dynamic table the user name, VLAN membership, VLAN tag and QoS information learnt from the authentication server in the second table.

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Search Report for Application No. GB0508491.8 dated Aug. 3, 2005.
“Configuring DHCP Snooping”, Chapter 19, Catalyst 4500 Series Switch Cisco IOS Software Configuration Guide-Release 12.1(13)EW, May 15, 2003.

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