1- L3 interface
2- BGP
On spine01
IP and BGP
interface Ethernet3 no switchport ip address 10.1.2.1/30 ! interface Loopback0 ip address 10.0.0.1/32 ! ip routing ! router bgp 65000 router-id 10.0.0.1 neighbor 10.1.2.2 remote-as 65000 neighbor 10.1.2.2 maximum-routes 12000 network 10.0.0.1/32 !