Last Updated on August 1, 2021 by Admin 1
The following configuration was applied to the router R66:
What is the interface ID and the IP address of the subinterface created to host the virtual network named red? (Choose two.)
- FastEthernet1/0/0.3
- FastEthernet0/0/0.red
- FastEthernet0/0/3
- 10.1.1.3
- 10.1.1.1
- 10.0.0.3
The interface ID of the subinterface created to host the virtual network named red will be FastEthernet1/0/0.3, and the IP address will be 10.1.1.1.
When a virtual routing and forwarding (VRF) instance is defined, it will have a name and a tag number. The tag number is used by the router to dynamically create a subinterface on the specified physical interface of the EVN trunk. The tag number is appended to the physical interface ID. Since the virtual network (vnet) trunk was defined as FastEthernet1/0/0, the subinterface for vrf red will be FastEthernet1/0/0.3. All subinterfaces on the trunk will use the same IP address as the physical interface defined as the trunk.
Easy virtual networking (EVN) is a technology that allows for multiple logical networks to use the same physical infrastructure. EVN trunks carry the traffic of multiple VRFs. While the subinterfaces dedicated to each VRF use the same IP address (that of the physical interface of the EVN trunk), no IP address conflicts ever occur because each VRF maintains its own routing and forwarding tables, and while on the trunk, each uses a VRF tag to separate the traffic from each VRF.
Objective:
VPN Technologies
Sub-Objective:
Describe Easy Virtual Networking (EVN)