Which element is the main functional component of the architecture that separates the internal fabric and the external network that connects sites when VXLAN EVPN is deployed multisite?
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A. B. C. D.C.
https://dcloud-cms.cisco.com/demo_news/cisco-dcnm-11-3-for-vxlan-evpn-multi-site-deployments-lab-v1When VXLAN E VPN is deployed in a multisite architecture, the element that serves as the main functional component of the architecture and separates the internal fabric and the external network that connects sites is the Border Leaf (BL).
Border leaf switches are typically deployed at the edge of the data center fabric and provide connectivity to other data centers or external networks. Border leaf switches perform the routing between the external networks and the VXLAN E VPN fabric. They also terminate the VXLAN tunnels from the fabric and perform any necessary translation of IP addresses or MAC addresses as they exit the fabric.
In a multisite architecture, border leaf switches are deployed in each data center and are connected to other border leaf switches in remote data centers via a dedicated IP network. This enables communication between the different sites and allows the VXLAN E VPN fabric to span multiple data centers.
Service leaf switches, on the other hand, provide connectivity to servers and other devices within the data center fabric. They do not typically perform any routing or bridging functions, and are not directly involved in the multisite deployment of VXLAN E VPN.
Border gateway and service gateway are not commonly used terms in the context of VXLAN E VPN, but generally refer to devices that provide connectivity between different networks or services. However, they do not specifically relate to the main functional component of the architecture that separates the internal fabric and the external network in a VXLAN E VPN multisite deployment.