Spanning tree bypassing method and apparatus

Details Spanning tree bypassing method and apparatus Spanning tree bypassing method and apparatus

2006-07-04

2006-07-04

Lin, Wen-Tai (Department: 2154)

Electrical computers and digital processing systems: multicomput

Network computer configuring

Reconfiguring

C709S252000, C370S254000, C370S256000

Reexamination Certificate

active

07072952

ABSTRACT:
A route bypassing a root node is constructed in a network in which a spanning tree is formed. A received frame is sent out on a designated port as well as on a root port by using a designated-port data send-out function, provided that a transmitting port for the received frame is learned on the root port. When a frame is received on a blocking port, a transmitting port for a frame whose destination matches the source address of the received frame is temporarily learned on the blocking port by using a blocking-port learning function, on the condition that the destination of the received frame is already learned on some other port. When a frame whose destination matches the temporarily learned address is received, the temporary learning is changed to normal learning by using a temporarily learned address-based data transfer function.

REFERENCES:
patent: 6771610 (2004-08-01), Seaman
patent: 2001/0021177 (2001-09-01), Ishii
patent: 11-355337 (1999-12-01), None

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