Multicast trunking in a network device

Details Multicast trunking in a network device Multicast trunking in a network device

2005-11-30

2009-08-04

Shah, Chirag (Department: 2419)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

Reexamination Certificate

active

07570639

ABSTRACT:
A network device for uniform distribution of non-unicast traffic, such as layer 2 broadcast, layer 2 multicast, unknown unicast and layer 3 multicast on a truch group. The network device includes at least one trunk group including a plurality of physical ports. The network device is connected to at least one other network device by a number of the plurality of physical ports. The network device also includes a table with a plurality of entries, wherein each entry is associated with the number of the plurality of physical ports on the network device. Each entry specifies if a packet should be transmitted on one of the plurality of physical ports. The network device further includes hashing means for hashing a predefined number of bits from predefined fields in the packet to select one entry in the table. The selected entry is used to identify a destination port. The network device also includes transmitting means for transmitting the packet to the destination port.

REFERENCES:
patent: 6335932 (2002-01-01), Kadambi
patent: 2003/0142668 (2003-07-01), Wyatt
Non-final office action mailed on Mar. 19, 2009, in U.S. Appl. No. 11/289,368.
Non-final office action mailed on Mar. 19, 2009, in U.S. Appl. No. 12/135,720.

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