Stateful DHCPv6 relay agent in a cable modem termination system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 7, 2013
Grant Date -
May 14, 2009
app pub date -
Nov 14, 2007
filing date -
Nov 14, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A CMTS or other data aggregation component having a DHCPv6 relay agent extracts a Media Access Control (MAC) address of an end device from a data packet received from an end device. A DHCPv6 data frame is created for transmission to a DHCPv6 server. The MAC address may be inserted into a specific option of the DHCPv6 data frame, where data in the option may not be processed by the server and are echoed back to the aggregation component or CMTS. The DHCPv6 data frame is transmitted to the DHCPv6 server. The component receives a response message from the server that may contain the MAC address or similar client hardware address as it was sent to the server by the network component. The network component may determine an outgoing port interface from which the response message should be sent, utilizing the MAC address and an interface bundling table. In this manner, interface bundling may be enabled.
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