- Topology
[R3]-ge-0/0/2--------------ge-0/0/2-[R1]
- OSFP 네이버가 맺어지지 않는 상태
root@R3# run show ospf neighbor
--- 네이버 없음 --
- 트러블슈팅을 위한 traceoption 설정 ( cisco debug command 와 동일하다고 보면됨)
root@R1# set protocols ospf traceoptions file ospf.log
root@R1# set protocols ospf traceoptions flag error detail
root@R1# commit
- OSFP 로그 확인
root@R1# run show log ospf.log
Nov 18 06:30:41 trace_on: Tracing to "/var/log/ospf.log" started
Nov 18 06:30:42 OSPF packet ignored: area mismatch (0.0.0.1) from 10.10.13.3 on intf ge-0/0/2.0 area 0.0.0.0
Nov 18 06:30:42 OSPF rcvd Hello 10.10.13.3 -> 224.0.0.5 (ge-0/0/2.0 IFL 335 area 0.0.0.0)
Nov 18 06:30:42 Version 2, length 44, ID 3.3.3.3, area 0.0.0.1
Nov 18 06:30:42 checksum 0xe618, authtype 0
Nov 18 06:30:42 mask 255.255.255.0, hello_ivl 10, opts 0x12, prio 128
Nov 18 06:30:42 dead_ivl 40, DR 0.0.0.0, BDR 0.0.0.0
-> area mismatch 확인
-라우터 설정 확인
root@R3# show protocols ospf | display set
set protocols ospf area 0.0.0.1 interface lo0.0 passive
set protocols ospf area 0.0.0.1 interface ge-0/0/1.0 interface-type p2p
set protocols ospf area 0.0.0.1 interface ge-0/0/6.0 interface-type p2p
set protocols ospf area 0.0.0.1 interface ge-0/0/2.0 interface-type p2p
root@R1# show protocols ospf | display set
set protocols ospf area 0.0.0.0 interface lo0.0 passive
set protocols ospf area 0.0.0.0 interface ge-0/0/0.0 interface-type p2p
set protocols ospf area 0.0.0.0 interface ge-0/0/2.0 interface-type p2p
set protocols ospf traceoptions file ospf.log
set protocols ospf traceoptions flag error detail
R1 OSPF area : 0.0.0.0 = 0
R3 OSPF area : 0.0.0.1 = 1
- R3 OSPF area 수정 (0.0.0.1 -> 0.0.0.0 )
root@R3# rename protocols ospf area 1 to area 0
- 수정 후 OSPF neighbor 확인
root@R3# run show ospf neighbor
Address Interface State ID Pri Dead
10.10.13.1 ge-0/0/2.0 Full 1.1.1.1 128 39