... the two ends of a connection. A VPI is the identifier for a group of VCIs that allows an ATM switch to perform oper-ations on a group of VCs (virtual circuits). Translation of VCI and VPI ... destination. This cloud can be dozens of switching offices—or more! It looks for the destination IP address and DLCI number. It typically can find the DLCI number of the remote device or router ... addressing structures, and routing, switching, and bridging implications of each of their protocols. Having knowledge of Cisco-specific technologies, including router/switch platforms, architectures,...