! PermitANY — Arista EOS VXLAN EVPN (Leaf-Spine)
! VXLAN EVPN leaf-spine fabric for Arista EOS: eBGP underlay with OSPF, VTEP (VXLAN interface), BGP EVPN address family, L2VNI and L3VNI per tenant VRF.
! Generated: 2026-09-20
! These are EXAMPLE values. Replace with your actual config before deploying.
!
hostname AR-LEAF-01
!
! ── Loopbacks ────────────────────────────────────────────────────────
interface Loopback0
   description Router-ID
   ip address 10.0.0.1/32
!
interface Loopback1
   description VTEP-Source
   ip address 10.1.0.1/32
!
! ── OSPF Underlay ────────────────────────────────────────────────────
router ospf 1
   router-id 10.0.0.1/32
   passive-interface default
   network 0.0.0.0/0 area 0.0.0.0
   bfd default
!
! ── VLANs ────────────────────────────────────────────────────────────

vlan 10


vlan 3001

!
! ── VRFs ─────────────────────────────────────────────────────────────

vrf instance TENANT-A
!

! ── VXLAN Interface ──────────────────────────────────────────────────
interface Vxlan1
   vxlan source-interface Loopback1
   vxlan udp-port 4789

   vxlan vlan 10 vni 10010


   vxlan vrf TENANT-A vni 30001

!
! ── L3VNI SVIs ───────────────────────────────────────────────────────

interface Vlan3001
   vrf TENANT-A
   ip forward
!

! ── BGP EVPN ─────────────────────────────────────────────────────────
router bgp 65001
   router-id 10.0.0.1/32
   maximum-paths 4 ecmp 4
   bgp bestpath ecmp-fast
!
   address-family evpn
      neighbor default encapsulation vxlan next-hop-unchanged
!

   neighbor 10.2.0.0 remote-as 65000
   neighbor 10.2.0.0 update-source Loopback0
   neighbor 10.2.0.0 ebgp-multihop 3
   neighbor 10.2.0.0 send-community extended
   neighbor 10.2.0.0 maximum-routes 12000 warning-only
!
   address-family evpn
      neighbor 10.2.0.0 activate
!


   vlan 10
      rd 65001:10010
      route-target import 65001:10010
      route-target export 65001:10010
      redistribute learned
!


   vrf TENANT-A
      rd 65001:30001
      route-target import evpn 65001:30001
      route-target export evpn 65001:30001
      redistribute connected
!