Cisco APIC Layer 3 Networking Configuration Guide, Release 6.2(x)

PDF

Cisco APIC Layer 3 Networking Configuration Guide, Release 6.2(x)

BGP EVPN type-2 host route distribution

Want to summarize with AI?

Log in

Explains how fabric spine switches advertise BGP EVPN type-2 MAC-IP host routes to a DCIG to improve traffic-forwarding efficiency in Multi-Pod deployments.


BGP EVPN type-2 host route distribution is a fabric control-plane feature that

  • enables spine switches to advertise individual MAC-IP host routes to a DCIG.

  • replaces reliance on EVPN type-5 IP prefix routes for public BD subnets.

  • improves traffic-forwarding paths in Multi-Pod deployments.

Requirements for host route distribution

Host route distribution requires the following configuration:

  • BGP address family context policy: Enable Enable Host Route Leak.

  • Policy location: For GOLF deployments, configure the BGP address family context policy in the application tenant, not the infra tenant.

  • Fabric external connection policy: For a single-pod fabric, provide the ETEP IP address so that endpoint routes are leaked to BGP EVPN.

  • VRF association: In the VRF properties, add the BGP address family context policy to BGP Context Per Address Families for IPv4 and IPv6.

  • BGP route-target profiles: Configure the profiles that identify the routes that the VRF imports or exports.