The interface priority of the router helps determine the designated router for the link connected to the interface.
VLAN interfaces VLAN 1 and VLAN 10 are created as part of the prerequisite configuration.
SEFOS(config-if)# ip ospf priority 10
SEFOS# show ip ospf interface vlan 1 vlan1 is line protocol is up Internet Address 10.4.0.1, Mask 255.255.0.0, Area 0.0.0.0 AS 1, Router ID 10.10.2.1, Network Type BROADCAST, Cost 1 Transmit Delay is 1 sec, State 4, Priority 10 Designated RouterId 10.10.2.1, Interface address 10.4.0.1 No backup designated router on this network Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 4 sec Neighbor Count is 0, Adjacent neighbor count is 0