4-6DuraLAN Fast Ethernet NICs User’s GuideDual Hubs with RoutersThe following example shows how to set up Duralink64 Failover ina network configuration using routers. Routers provide WAN andLAN connectivity and allow physical network protocol redundancy.Figure 4-5. Duralink64 Failover in a network configuration using routersPrimaryBackupEthernet HubEthernet Hub ServerRouterRouterUplink