EVPN (Ethernet VPN) is a control plane technology used with VXLAN to provide Layer 2 and Layer 3

services in data center networks, including Huawei’s implementations. EVPN routes are categorized

into types, with Type 5 routes (IP Prefix routes) serving a specific purpose:

Type 5 Routes: These routes advertise IP prefixes and are used for inter-subnet routing, allowing

communication between different VXLAN Virtual Network Identifiers (VNIs) or between VXLAN

networks and external networks. They carry a Layer 3 VNI and IP prefix information, enabling routers

or gateways to perform Layer 3 forwarding.

Usage Scope: Type 5 routes are not limited to hosts on a VXLAN network accessing external

networks. They are also used by network devices (e.g., gateways, routers) within the EVPN domain

to facilitate routing between subnets, including intra-VXLAN communication. For example, a

centralized gateway or distributed gateway can use Type 5 routes to route traffic within the data

center or to external networks, not just host-initiated access.

The statement is FALSE (B) because Type 5 routes are not exclusively for hosts on a VXLAN network to

access external networks; they support broader Layer 3 routing functions across the EVPN domain.

Reference: Huawei HCIP-Data Center Network Training – EVPN Routing; CloudFabric EVPN

Configuration Guide.