! debug bgp neighbor-events
! debug bgp updates
! debug bgp zebra
router bgp 65000
 bgp router-id 192.168.100.21
 bgp log-neighbor-changes
 no bgp default ipv4-unicast
 neighbor 192.168.100.41 remote-as 65000
 neighbor 192.168.100.41 capability extended-nexthop
 !
 address-family l2vpn evpn
  neighbor 192.168.100.41 activate
  advertise-all-vni
 exit-address-family
!
router bgp 65000 vrf r1-vrf-101
 bgp router-id 192.168.102.21
 bgp log-neighbor-changes
 no bgp network import-check
 address-family ipv4 unicast
  network 192.168.102.21/32
 exit-address-family
 address-family l2vpn evpn
  advertise ipv4 unicast
 exit-address-family
 !