R5

show route | no-more

configure
set protocols ospf traceoptions flag event
set protocols ospf traceoptions flag route
set protocols ospf traceoptions file ospf-debug.txt
commit and-quit

monitor start ospf-debug.txt


R3

show ospf overview

configure
set protocols ospf area 0.0.0.2 stub default-metric 10
commit and-quit


show ospf overview


R5

show ospf neighbor 

configure
set protocols ospf area 0.0.0.2 stub
commit and-quit

show route | no-more


R6

configure
set protocols ospf area 0.0.0.2 stub
commit and-quit

show route


R4

show ospf neighbor

configure
set protocols ospf area 0.0.0.2 stub 
commit and-quit

show ospf neighbor