! Spine1 Configuration
! BGP EVPN Spine - AS 65000
!
hostname spine1
!
! admin/admin for ssh access
username admin privilege 15 role network-admin secret sha512 $6$xQktFrbdeqEhVzLM$.1wOJB25nw2fqYaSXDu6y4mo6AP9lhngMCFe2vGDl84hWoz00Q.4unoEBqspNI0HEoRz.OZhdBHqQv12KABf0B0
!
! Enable IP routing - CRITICAL for BGP to work
ip routing
!
! Enable IP routing to work
ip routing
!
! Enable routing protocols
service routing protocols model multi-agent
!
! Management interface
interface Management1
   vrf mgmt
   ip address 172.16.0.1/24
!
! Loopback for BGP Router-ID
interface Loopback0
   ip address 10.0.250.1/32
!
! Underlay P2P interfaces to Leafs
interface Ethernet1
   description leaf1
   no switchport
   ip address 10.0.1.0/31
   mtu 9214
!
interface Ethernet2
   description leaf2
   no switchport
   ip address 10.0.1.2/31
   mtu 9214
!
interface Ethernet3
   description leaf3
   no switchport
   ip address 10.0.1.4/31
   mtu 9214
!
interface Ethernet4
   description leaf4
   no switchport
   ip address 10.0.1.6/31
   mtu 9214
!
interface Ethernet5
   description leaf5
   no switchport
   ip address 10.0.1.8/31
   mtu 9214
!
interface Ethernet6
   description leaf6
   no switchport
   ip address 10.0.1.10/31
   mtu 9214
!
interface Ethernet7
   description leaf7
   no switchport
   ip address 10.0.1.12/31
   mtu 9214
!
interface Ethernet8
   description leaf8
   no switchport
   ip address 10.0.1.14/31
   mtu 9214
!
! BGP Configuration
router bgp 65000
   router-id 10.0.250.1
   no bgp default ipv4-unicast
   bgp log-neighbor-changes
   distance bgp 20 200 200
   maximum-paths 4 ecmp 64
   !
   ! Underlay IPv4 neighbors
   neighbor 10.0.1.1 remote-as 65001
   neighbor 10.0.1.3 remote-as 65001
   neighbor 10.0.1.5 remote-as 65002
   neighbor 10.0.1.7 remote-as 65002
   neighbor 10.0.1.9 remote-as 65003
   neighbor 10.0.1.11 remote-as 65003
   neighbor 10.0.1.13 remote-as 65004
   neighbor 10.0.1.15 remote-as 65004
   !
   ! EVPN peer-group configuration
   neighbor evpn peer group
   neighbor evpn next-hop-unchanged
   neighbor evpn update-source Loopback0
   neighbor evpn ebgp-multihop 3
   neighbor evpn send-community extended
   neighbor evpn maximum-routes 12000 warning-only
   !
   ! EVPN neighbors (to leaf loopbacks)
   neighbor 10.0.250.11 peer group evpn
   neighbor 10.0.250.11 remote-as 65001
   neighbor 10.0.250.12 peer group evpn
   neighbor 10.0.250.12 remote-as 65001
   neighbor 10.0.250.13 peer group evpn
   neighbor 10.0.250.13 remote-as 65002
   neighbor 10.0.250.14 peer group evpn
   neighbor 10.0.250.14 remote-as 65002
   neighbor 10.0.250.15 peer group evpn
   neighbor 10.0.250.15 remote-as 65003
   neighbor 10.0.250.16 peer group evpn
   neighbor 10.0.250.16 remote-as 65003
   neighbor 10.0.250.17 peer group evpn
   neighbor 10.0.250.17 remote-as 65004
   neighbor 10.0.250.18 peer group evpn
   neighbor 10.0.250.18 remote-as 65004
   !
   ! IPv4 address family
   address-family ipv4
      neighbor 10.0.1.1 activate
      neighbor 10.0.1.3 activate
      neighbor 10.0.1.5 activate
      neighbor 10.0.1.7 activate
      neighbor 10.0.1.9 activate
      neighbor 10.0.1.11 activate
      neighbor 10.0.1.13 activate
      neighbor 10.0.1.15 activate
      network 10.0.250.1/32
   !
   ! EVPN address family
   address-family evpn
      neighbor evpn activate
!
end