Adaptec ANA-62000 - Manual (Page 50)

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DuraLAN Fast Ethernet NICs User’s Guide
Dual Hubs with Routers
The following example shows how to set up Duralink64 Failover in
a network configuration using routers. Routers provide WAN and
LAN connectivity and allow physical network protocol redundancy.
Figure 4-5. Duralink64 Failover in a network configuration using routers
Primary
Backup
Ethernet Hub
Ethernet Hub
Server
Router
Router
Uplink