password 1 hostname rt6 log file ospfd.log log commands ! ! debug ospf zebra ! debug ospf event ! debug ospf lsa ! debug ospf te ! debug ospf packet all ! debug ospf packet ls-update detail ! debug ospf ism ! debug ospf nsm ! debug ospf nssa ! debug ospf graceful-restart ! interface lo ip ospf area 0 ! interface eth-rt3 ip ospf network point-to-point ip ospf area 0 ip ospf hello-interval 3 ip ospf dead-interval 9 ! interface eth-rt7 ip ospf network point-to-point ip ospf area 3 ip ospf hello-interval 3 ip ospf dead-interval 9 ! router ospf router-id 6.6.6.6 capability opaque area 3 nssa graceful-restart grace-period 120 graceful-restart helper enable !