VXLAN EVPN with Cumulus

Hi All,

I am trying to create a GNS3 lab with Arista + Cumulus for VXLAN BGP EVPN. I am using Cumulus as Spine and Arista as Leaf switch. I am getting issue setting up EVPN. BGP sessions are coming up while EVPN sessions giving error message like “Estab(NotNegotiated)”
Topology summary
Spine – Cumulus
Leaf – Arista
Underlay – OSPF
Overlay – BGP EVPN

Here is the config set up and show command output for reference. Would someone please help me to understand what i am doing wrong?

Arista Leaf Switch Config

! Command: show running-config
! device: leaf5 (vEOS, EOS-4.18.1F)
!
! boot system flash:EOS.swi
!
transceiver qsfp default-mode 4x10G
!
service routing protocols model multi-agent
!
hostname leaf5
!
spanning-tree mode mstp
!
no aaa root
!
vlan 10,20
!
interface Ethernet1
switchport access vlan 10
!
interface Ethernet2
switchport access vlan 20
!
interface Ethernet3
!
interface Ethernet4
!
interface Ethernet5
no switchport
ip address 10.10.15.2/24
ip ospf network point-to-point
ip ospf area 0.0.0.0
!
interface Ethernet6
no switchport
ip address 10.10.25.2/24
ip ospf network point-to-point
ip ospf area 0.0.0.0
!
interface Ethernet7
!
interface Loopback0
ip address 1.1.1.7/32
!
interface Management1
!
interface Vlan10
ip address 192.168.10.1/24
!
interface Vlan20
ip address 192.168.20.1/24
!
interface Vxlan1
vxlan source-interface Loopback0
vxlan udp-port 4789
vxlan vlan 10 vni 10010
vxlan vlan 20 vni 10020
!
ip routing
!
router bgp 65000
router-id 1.1.1.7
neighbor 10.10.15.1 remote-as 65000
neighbor 10.10.15.1 send-community extended
neighbor 10.10.15.1 maximum-routes 12000
neighbor 10.10.25.1 remote-as 65000
neighbor 10.10.25.1 send-community extended
neighbor 10.10.25.1 maximum-routes 12000
!
address-family evpn
neighbor 10.10.15.1 activate
neighbor 10.10.25.1 activate
!
address-family ipv4
neighbor 10.10.15.1 activate
!
router ospf 1
router-id 1.1.1.7
network 1.1.1.7/32 area 0.0.0.0
max-lsa 12000
!
end


leaf5#show ip bgp sum
BGP summary information for VRF default
Router identifier 1.1.1.7, local AS number 65000
Neighbor Status Codes: m – Under maintenance
Neighbor V AS MsgRcvd MsgSent InQ OutQ Up/Down State PfxRcd PfxAcc
10.10.15.1 4 65000 1783 2095 0 0 01:29:01 Estab 0 0
10.10.25.1 4 65000 1358 1613 0 0 01:07:45 Estab 0 0
leaf5#
leaf5#
leaf5#
leaf5#
leaf5#show bgp evpn summary
BGP summary information for VRF default
Router identifier 1.1.1.7, local AS number 65000
Neighbor Status Codes: m – Under maintenance
Neighbor V AS MsgRcvd MsgSent InQ OutQ Up/Down State PfxRcd PfxAcc
10.10.15.1 4 65000 1789 2102 0 0 01:29:21 Estab(NotNegotiated)
10.10.25.1 4 65000 1364 1620 0 0 01:08:05 Estab(NotNegotiated)
leaf5#