What are two characteristics of VRF-Lite on the Cisco NX-OS platform? (Choose two.)
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A. B. C. D. E.CD.
https://www.cisco.com/c/en/us/td/docs/routers/connectedgrid/cgr1000/ios/software/15_4_1_cg/vrf_cgr1000.htmlVRF-Lite (Virtual Routing and Forwarding Lite) is a feature on Cisco NX-OS platform that provides a virtualization mechanism for IP routing tables. It allows multiple routing tables to coexist on the same physical infrastructure, and each routing table is isolated from the others. VRF-Lite is commonly used in service provider and enterprise environments where there is a need to segregate network traffic and enforce security policies.
The two characteristics of VRF-Lite on the Cisco NX-OS platform are:
A. Layer 3 interfaces can belong to multiple VRFs: VRF-Lite allows Layer 3 interfaces to be assigned to multiple VRFs, which means that a single physical interface can carry traffic for multiple VRFs. This feature provides greater flexibility in network design, as it allows for efficient use of physical interfaces and reduces the need for additional hardware.
D. Interfaces that belong to VRFs can be physical or logical: VRF-Lite allows physical and logical interfaces to belong to VRFs. Physical interfaces are physical ports on a device, while logical interfaces are created by dividing a physical interface into multiple logical interfaces. This feature provides greater flexibility in network design, as it allows for efficient use of physical interfaces and reduces the need for additional hardware.
B. VRF-Lite interfaces can be Layer 2: This statement is incorrect. VRF-Lite is a Layer 3 feature, and it is used to segregate Layer 3 traffic. VRF-Lite interfaces are Layer 3 interfaces, and they cannot be Layer 2 interfaces.
C. Overlapping IP addresses are permitted on different VRFs: This statement is also incorrect. VRF-Lite provides complete separation of routing tables, and overlapping IP addresses are not allowed on different VRFs. Each VRF has its own routing table and forwarding information base (FIB), and IP addresses are unique within each VRF.
E. VRF-Lite interfaces support MPLS: This statement is also incorrect. VRF-Lite is a Layer 3 feature, and it is used to segregate Layer 3 traffic. MPLS is a Layer 2 technology that is used to provide traffic engineering and VPN services. While VRF-Lite can be used in conjunction with MPLS to provide Layer 3 VPN services, VRF-Lite interfaces themselves do not support MPLS.