METHOD FOR CONFIGURING A DHCP SERVER USING DHCP OPTION 82
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United States of America Patent
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Issued Date -
Nov 12, 2009
app pub date -
Jul 22, 2008
filing date -
Aug 4, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a method for creating a DHCP network device configuration, wherein the parameter allocation by a DHCP server is performed using Option 82, and the assignment for the IP address to be allocated to a network device is determined on the basis of the topological information. The topological information is provided to the DHCP server by the requesting device and a DHCP relay agent, and the relay agent acts on each DHCP message sent by a device in the network by means of an additional DHCP Option 82 and sends the messages via unicast to the DHCP server, whereas the standard DHCP message is forwarded. According to the invention, a network device sends, in addition to the regular DHCP discovers via MAC broadcast, DHCP messages via MAC multicast to a MAC multicast address, and from this MAC multicast sends unique information via unicast to the DHCP server by means of a DHCP relay agent, since the associated network device filters the multicast. The creation of a DHCP server configuration is automated by use of a software component for the network management.
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