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test

test bla

Spine config

router bgp 65100
   maximum-paths 2 ecmp 2
   neighbor EVPN-OVERLAY peer-group
   neighbor EVPN-OVERLAY next-hop-unchanged
   neighbor EVPN-OVERLAY update-source Loopback0
   neighbor EVPN-OVERLAY ebgp-multihop
   neighbor EVPN-OVERLAY send-community
   neighbor EVPN-OVERLAY maximum-routes 0
   neighbor 10.0.1.11 peer-group EVPN-OVERLAY
   neighbor 10.0.1.11 remote-as 65001

next-hop-unchanged is only necesary in older EOS versions. in newer ones it’s the default value for EVPN peerings
default behaviour of iBGP is next-hop-unchanged
default behaviour of eBGP is next-hop-self

Leaf config

router bgp 65003
   maximum-paths 2 ecmp 2
   neighbor EVPN-OVERLAY peer group
   neighbor EVPN-OVERLAY remote-as 65100
   neighbor EVPN-OVERLAY update-source Loopback0
   neighbor EVPN-OVERLAY ebgp-multihop
   neighbor EVPN-OVERLAY send-community
   neighbor EVPN-OVERLAY maximum-routes 0
   neighbor 10.0.1.1 peer group EVPN-OVERLAY

   address-family evpn
      bgp next-hop-unchanged
      neighbor EVPN-OVERLAY activate
   !
   address-family ipv4
      no neighbor EVPN-OVERLAY activate
   !