Ring rapid spanning tree protocol

Details Ring rapid spanning tree protocol Ring rapid spanning tree protocol

2011-04-19

2011-04-19

Patel, Jayanti K (Department: 2465)

Multiplex communications

Fault recovery

Bypass an inoperative station

C370S256000, C709S251000

Reexamination Certificate

active

07929427

ABSTRACT:
In a method for enabling facilitation of re-convergence, designation information for a first port of each one of a plurality of bridges in a multi-bridge ring is received and designation information for a second port of each one of a plurality of bridges in a multi-bridge ring is received. The first port of each one of a plurality of bridges is a first direction Ring Rapid Spanning Tree Protocol (RRSTP) port and the second port of each one of a plurality of bridges is a second direction RRSTP port. The first direction around the ring (e.g., a forward direction) is opposite the second direction around said ring (e.g., a backward direction). A first reserved RRSTP MAC address is associated with the first direction port of each one of the bridges and a second reserved MAC address is associated with the second direction port of each one of the bridges.

REFERENCES:
patent: 6766482 (2004-07-01), Yip et al.
patent: 7564779 (2009-07-01), Rose et al.
patent: 2004/0081083 (2004-04-01), Sekihata
patent: 2004/0090926 (2004-05-01), Hong et al.
patent: 2004/0160904 (2004-08-01), Enomoto et al.

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