Labels:text | screenshot | diagram | display | number | parallel | line | font OCR: ATM BACKBONE WITH SWITCHING, VIRTUAL SUBNETWORKING Layer 2 switching hub PC users on shared Ethernet or R Token Ring Layer 2 switching hub Workstation users S on dedicated Ethernet ATM to other Layer 2 campus switching hub PC users buildings on shared S Ethernet or R Token Ring Layer 2 switching hub Servers To WAN Router with ATM Port ATM switch FIGURE 2: Using ATM as a backbone between hubs with Layer 2 switching capability on the periphery and a backbone router that serves at the core of the network can provide multiple legacy LAN segments over one ATM link.