Network bridge uplink port identification

Details Network bridge uplink port identification Network bridge uplink port identification

2008-07-01

2008-07-01

Vu, Huy D. (Department: 2619)

Multiplex communications

Network configuration determination

C370S241000, C370S395200, C370S395310, C370S400000, C370S401000, C375S224000

Reexamination Certificate

active

07394773

ABSTRACT:
An ICMP ping is sent from a test instrument to all known bridges and switches on a network, which respond by populating the forwarding data base (FDB) tables with the MAC addresses of adjacent bridges. Then an SNMP query is sent to the FDB table of a selected bridge, retrieving not only MAC addresses, but interface indices associated with ports of downstream bridges. These ports are identified as uplink ports.

REFERENCES:
patent: 2002/0167914 (2002-11-01), Haneda
patent: 2003/0086425 (2003-05-01), Bearden et al.
An algorithm for physical network topology discovery, Journal of Computer Research and Development, vol. 39, No. 3, p. 264-268.
Research on multilayer network topology discovery algorithm based on Intranet, J. Huanzhong Univ. of Sci & Tech, vol. 26, No. 11, p. 22-25.

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