Sony Corporation

Sony Electronics Inc

Gilbert Ho Yin Tsang

Takahiro Fujimori

Eric Hsuming Chen

A Set-Top Box configured with a modem and a Main Circuit Board consistent with certain embodiments learns the modem's IP address by establishing a predetermined relationship between a hardware address of the modem and a hardware address of the Main Circuit Board; at the Main Circuit Board: ascertaining the hardware address of the modem from the predetermined relationship; sending a query from the Main Circuit Board to the hardware address of the modem requesting the modem's IP address; and receiving a reply from the modem providing the modem's IP address to the Main Circuit Board. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.

IP address discovery for cable modem in set-top box

A Set-Top Box configured with a modem and a Main Circuit Board determines an IP address of the modem by periodically broadcasting a Discovery Packet from the modem to a broadcast address, the Discovery Packet comprising at least the IP address of the modem. At the Main Circuit Board, the broadcast Discovery Packet is received from the modem and the IP address of the modem is ascertained from the broadcast Discovery Packet.

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San Jose, CA, United States of America

Gilbert Ho Yin Tsang