Method and ethernet switching device for detecting loop position in ethernet

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9178795
APP PUB NO 20140105034A1
SERIAL NO

14109802

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Abstract

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A method for detecting loop position in an Ethernet network, includes: the Ethernet switch device learns a MAC address; in a MAC table, a first MAC address corresponds to a first port before the learning of MAC address, and the first MAC address corresponds to a second port after the learning of MAC address; if the second port and the first port do not belong to the same sub-network, an interval between a time of learning on the second port and a time of transmitting a last packet or receiving a last packet from the first port is calculated; and if the interval is smaller than a predetermined judgment threshold of host migration, it is determined that a loop exists in a sub-network connected to the second port.

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Patent Owner(s)

  • HUAWEI TECHNOLOGIES CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sun, Shengtao Shenzhen, CN 4 98

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