MARK A MOREAU
Broker in New Bedford, MA

License number
Massachusetts 9510296
Issued Date
Jan 10, 2009
Expiration Date
Aug 15, 2017
Type
Salesperson
Address
Address
New Bedford, MA 02745
LicenseFiles verified this license of Nov 25, 2016 at the Mass.gov - Consumer Affairs and Business Regulation.

Professional information

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Intelligent Network Topology And Configuration Verification Using A Method Of Loop Detection

US Patent:
6857027, Feb 15, 2005
Filed:
Nov 14, 2000
Appl. No.:
09/712610
Inventors:
Carl John Lindeborg - Shrewsbury MA, US
Mark David Moreau - New Bedford MA, US
Keith Louis Petry - Southborough MA, US
John Ernest Ziegler - Westborough MA, US
Assignee:
3Com Corporation - Santa Clara CA
International Classification:
G06F015/173, G06F015/16
US Classification:
709239, 709224, 709238, 709249
Abstract:
A system and method are disclosed for detecting and preventing bridge loops in a relatively low cost bridge module designed for installation in a network hub. The bridge operates to monitor an intra-hub communication path of the network hub to detect bridge protocol data units transmitted by a switching fabric within the network hub. The bridge module stores a MAC source address of a bridge protocol data unit detected on the intra-hub communications path, and forwards the bridge protocol data unit through its external communication ports to respective network segments. The bridge module monitors its external communication ports for any data unit having a destination address matching a bridge multicast address. When a data unit having a destination address matching the bridge multicast address is detected, the bridge module compares the MAC source address of that data unit to the previously stored MAC source address from the bridge protocol data unit detected on the intra-hub communication path. In the event that the MAC source address of the data unit detected on the external communication port matches the previously stored MAC source address, the bridge module disables operation of the respective one of its external communication ports at which the data unit was received.

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