Method and apparatus for restart communication between network elements
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United States of America Patent
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Jul 8, 2003
Grant Date -
Dec 5, 2002
app pub date -
Jun 2, 2001
filing date -
Jun 2, 2001
priority date (Note) -
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Abstract
A method and apparatus for the restart communication between network elements are described. In one embodiment, a method for restarting communication between a first network element and a second network element in a network comprises transmitting a modified hello packet to the second network element. The modified hello packet includes a time value that is greater than a time value of a hello packet that was transmitted to the second network element prior to International-System-International-System (IS-IS) network communications in the first network element becoming non-operational. The method also including updating routing information within the first network element through transmission of Complete Sequence Number Packets of the IS-IS standard to the second network element, independent of tearing down a communication link between the first network element and the second network element after IS-IS network communications in the first network element have become non-operational.
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