Cisco Technology, Inc.

Sanjeev Hemantkumar Desai

John T Chapman

Ralph Droms

Madhu Sudan

Christopher Sean Johnson

Igal Gutkin

Raman Shankara Krishnan

An apparatus may include a port to receive a ranging request from a cable modem and a processor in communication with the port. The processor may assign a service identifier to the cable modem, match the service identifier with a link layer address of the cable modem, receive a router advertisement and comparing the source link layer address from the router advertisement to the link layer address of the cable modem, and determine if the link layer address of the cable modem is the same as the source link layer address.

Use of IPv6 in access networks

An embodiment method may comprise establishing a link layer connection to an access server, obtaining a management address, wherein the management address is at least one of an IPv6 and an IPv4 address, obtaining a TFTP server address, wherein the server address is either IPv6 or IPv4, downloading a configuration file from the TFTP server, registering with the access server as IPv6 capable, maintaining an IP address/prefix-MAC mapping database, and determining whether the IPv6 address belongs to a particular media access control (MAC) address based on the IP address/prefix-MAC mapping database.

Growing community of inventors

Saratoga, CA, United States of America

Sanjeev Hemantkumar Desai