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NP ports behave like N ports except that in addition to providing N port behavior, they also function as proxies for multiple, physical N ports.Īn NP link is basically an NPIV uplink to a specific end device.
#BROCADE SAN SWITCH L PORT TO F PORT MAC#
Wwn Set secondary base MAC addr and range for additional WWNsĪn NP port (proxy N port) is a port on a device that is in NPV mode and connected to the NPV core switch using an F port. NPV also allows multiple devices to attach to the same port on the NPV core switch, thereby reducing the need for more ports on the core.įigure 13-1Ĝisco NPV Fabric Configuration NPV aggregates multiple locally connected N ports into one or more external NP links, which shares the domain ID of the NPV core switch among multiple NPV switches (see Figure 13-1). NPV addresses the increase in the number of domain IDs needed to deploy a large number of the ports by making a fabric or module switch appear as a host to the core Fibre Channel switch, and as a Fibre Channel switch to the servers in the fabric or blade switch. This challenge becomes even more difficult when additional blade chassis are deployed in Fibre Channel networks. However, as the number of ports in the fabric increases, the number of switches deployed also increases, and you can end up with a dramatic increase in the number of domain IDs (the maximum number supported is 239).
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Typically, Fibre Channel networks are deployed using a core-edge model with a large number of fabric switches connected to core devices. This chapter includes the following sections: Note NPV is available on these switches only while in NPV mode if in switch mode, NPV is not available.