Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroyuki Matsumoto0
Kenji Sakanashi0
Date of Patent
February 1, 2011
0Patent Application Number
117737610
Date Filed
July 5, 2007
0Patent Primary Examiner
Patent abstract
A communication device carries out a routing operation of data between a first network and a second network. The communication device comprises: a first interface connected to the first network; a second interface connected to the second network; and a processor that assigns an IP address to a user terminal device connected to the first interface in accordance with a DHCP. The processor changes a first lease period of the IP address set when the processor assigns the IP address to the user terminal device in accordance with the change of a network environment.
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