Router-1

set protocols ospf area 0 network 192.168.10.0/24

set protocols ospf area 0 network 1.1.1.0/30

Router-2

set protocols ospf area 0 network 172.16.50.0/24

set protocols ospf area 0 network 1.1.1.0/30


Reference:
https://www.youtube.com/watch?v=HIkNKXO_3rI&list=PLlFxbR-h_iWaDaAotJimokbXI-udIajVi&index=4&t=2715s