# R1
configure
set interfaces et-0/0/0 unit 0 family inet address 10.12.0.1/30
set interfaces et-0/0/1 unit 0 family inet address 10.13.0.1/30
set interfaces lo0 unit 0 family inet address 192.168.255.1/32

set protocols ospf area 0.0.0.0 interface lo0.0 passive
set protocols ospf area 0.0.0.0 interface et-0/0/0.0 interface-type p2p
set protocols ospf area 0.0.0.0 interface et-0/0/1.0 interface-type p2p

commit and-quit


# R2
configure
set interfaces et-0/0/0 unit 0 family inet address 10.12.0.2/30
set interfaces et-0/0/1 unit 0 family inet address 10.23.0.1/30
set interfaces lo0 unit 0 family inet address 192.168.255.2/32

set protocols ospf area 0.0.0.0 interface lo0.0 passive
set protocols ospf area 0.0.0.0 interface et-0/0/0.0 interface-type p2p
set protocols ospf area 0.0.0.0 interface et-0/0/1.0 interface-type p2p

commit and-quit

# R3
configure
set interfaces et-0/0/0 unit 0 family inet address 10.23.0.2/30
set interfaces et-0/0/1 unit 0 family inet address 10.13.0.2/30
set interfaces lo0 unit 0 family inet address 192.168.255.3/32

set protocols ospf area 0.0.0.0 interface lo0.0 passive
set protocols ospf area 0.0.0.0 interface et-0/0/0.0 interface-type p2p
set protocols ospf area 0.0.0.0 interface et-0/0/1.0 interface-type p2p

commit and-quit