Method for authentication of network devices in a data-over cable system
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United States of America Patent
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-
Feb 13, 2001
Grant Date -
N/A
app pub date -
May 27, 1998
filing date -
May 27, 1998
priority date (Note) -
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Abstract
A method for authentication of network devices in a data-over-cable system is provided. The method includes storing a network address for customer premise equipment and a network address for a cable modem associated with the customer premise equipment in an internal table on a cable modem termination system during an initialization sequence for the customer premise equipment. If the cable modem termination system has to re-boot, or has to re-establish a connection to a cable modem, the internal table is used to prevent the cable modem from registering 'rogue' network devices associated with a cable modem on the cable modem termination system. The authentication method allows a cable modem termination system to authenticate customer premise equipment or other network devices associated with a cable modem using internal tables. This authentication helps improve the security of a data-over-cable system and makes it less vulnerable to attack.
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