STP root guard
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United States of America Patent
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Jun 9, 2009
Grant Date -
May 4, 2006
app pub date -
Dec 2, 2005
filing date -
Sep 11, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A method of managing a computer network switch is disclosed. The method has the steps of: setting a port of the switch to root guard protected status (RG status); selecting by a spanning tree protocol (STP) the port as a designated port; and setting said port into blocked status, in response to said port being both in root guard protected status and selected by STP as a root port. By setting a port to root guard protected, the port is prevented from becoming a designated port, and so then forcing the root port to remain in a desired core network.
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