![]() ![]() Though not directly accessible to the user, the virtual switch provides connectivity between all VNICs configured on the same physical interface, enabling the virtual network in a box scenario. When the first VNIC is created on a system, a virtual switch is also created above the physical interface. Moreover, you can configure a virtual machine, such as an exclusive IP zone or xVM domain on top of a VNIC. You can use the resource control features of Crossbow to allocate separate bandwidths to the individual VNICs. The individual VNIC is assigned a media access control address ( MAC address), which can be configured to a value other than the default MAC address assigned to the physical NIC. Each VNIC operates like and appears to the system as a physical NIC. A physical interface can have more than one VNIC. VNIC Ī VNIC is a pseudo network interface that is configured on top of a system's physical network adapter, also called a network interface controller (NIC). ![]() ![]() For further details on each feature, see the Oracle Solaris 11 Network Virtualization and Network Resource Management white paper. This section briefly describes the main features of the Crossbow network virtualization and resource control project. The Crossbow resource control features enable increased system efficiency and the ability to limit the amount of bandwidth consumed by a process or virtual machine.įeatures of the Crossbow project You can allocate bandwidth amounts and manage data flows not only for the physical network interface but also for any containers configured on the interface. Resource management and flow control features provide bandwidth management and quality of service for packet flows on separate virtual machines. By combining VNICs with features such as exclusive IP zones or the Sun xVM hypervisor, system administrators can run applications on separate virtual machines to improve performance and provide security. The Crossbow project software, combined with next generation network interfaces like xge and bge, enable network virtualization and resource control for a single system.
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