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Product Overview
Dual Hubs with a 4-Port NIC
The following figure shows failover protection using an Adaptec
DuraLAN 4-port NIC. Ports 1 and 3 are used as the primary ports
to each Ethernet hub. Ports 2 and 4 are backup ports connected to
each hub.
Primary
Backup
Ethernet Hub
Clients
Clients
Ethernet Hub
Server
Port 1
Port 2
Port 3
Port 4
NIC