Method for configuring logical connections to a router in a data communication system
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United States of America Patent
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Issued Date -
Dec 18, 2003
app pub date -
Apr 28, 2003
filing date -
May 7, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of tracking the availability of a logical connection to a router in a data transmission system including a network, a plurality of customer servers, and at least two network access routers using Virtual Router Redundancy Protocol or the like to set up a primary interface router. The method is automatically achieved in each router by periodically tracking at least one logical connection between the primary interface router and a neighbor router connected to the network. Virtual Router Redundancy Protocol sets up one of the backup routers as primary interface router when the logical connection has failed.
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