Method and apparatus for generating replies to address resolution protocol requests for virtual IP addresses
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United States of America Patent
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Jan 6, 2004
Grant Date -
N/A
app pub date -
Apr 14, 2000
filing date -
Apr 14, 2000
priority date (Note) -
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Abstract
The invention ensures that a single and consistent reply is made to an ARP request in a system of connected IP networks. When an adapter becomes active, the relative network on which it resides is determined by transmitting control packets over it and all other adapters known to the host and observing if and where responses are returned to the adapters. One adapter on a network is designated as active. If the same network contains other adapters, they are marked as standby adapters for the purpose of responding to ARP messages. Special processing is provided for offload adapters that perform there own ARP processing.
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