VPN device clustering using a network flow switch and a different mac address for each VPN device in the cluster
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United States of America Patent
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Aug 3, 2004
Grant Date -
N/A
app pub date -
Aug 15, 2000
filing date -
Aug 15, 2000
priority date (Note) -
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Abstract
A VPN device clustering system connects two or more VPN devices on one side of a virtual private network to a similarly clustered system of two or more VPN devices on the other side of a virtual private network. The VPN device clustering system typically includes a plurality of clustering units for redundancy that avoids difficulties that arise with a single point of failure. For example two clustering units may be used in an active-passive high-availability configuration. A VPN device cluster creator creates or configures a VPN device cluster. To create a VPN device cluster, an administrator assigns to the cluster a logical Internet protocol (IP) address IPvpn and specifies VPN devices that are members of the cluster.
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