2016. 3. 14. 15:34ㆍ네트워크
R1
ena
conf t
no ip do loo
line cons 0
exec-t 0
logg syn
exit
int fa 0/0
ip add 16.16.123.1 255.255.255.0
no shut
exit
int loo 0
ip add 1.1.1.1 255.255.255.0
exit
router ospf 1
network 16.16.123.1 0.0.0.0 area 0 ====> OSPF 설정
network 1.1.1.1 0.0.0.0 area 0
exit
================================================
R2
ena
conf t
no ip do loo
line cons 0
exec-t 0
logg syn
exit
int fa 0/0
ip add 16.16.123.2 255.255.255.0
no shut
exit
int loo 0
ip add 2.2.2.1 255.255.255.0
exit
router ospf 1
network 16.16.123.2 0.0.0.0 area 0
network 2.2.2.1 0.0.0.0 area 0
exit
================================================
R3
ena
conf t
no ip do loo
line cons 0
exec-t 0
logg syn
exit
int fa 0/0
ip add 16.16.123.3 255.255.255.0
no shut
exit
int s 1/0
encap fr
no fr inverse-arp
no shut
exit
int s 1/0.34 mul
ip add 16.16.34.3 255.255.255.0
frame-relay map ip 16.16.34.4 304 broadcast
exit
int s 1/0.43 po
ip add 16.16.43.3 255.255.255.0
frame-relay interface-dlci 314
exit
int loo 0
ip add 3.3.3.1 255.255.255.0
exit
router ospf 1
network 16.16.34.3 0.0.0.0 area 0
network 16.16.43.3 0.0.0.0 area 0int
network 16.16.123.3 0.0.0.0 area0
network 3.3.3.1 0.0.0.0 area 0
exit
router ospf 1
nei 16.16.34.4 =============>frame-relay는 NBMA이다.
exit ===============>NBMA는 neighbor를 수동으로 맺어 줘야한다.
==================================================
R4
ena
conf t
no ip do loo
line cons 0
exec-t 0
logg syn
exit
int s 1/0
encap fr
no fr inverse-arp
no shut
exit
int s 1/0.34 mul
ip add 16.16.34.4 255.255.255.0
frame-relay map ip 16.16.34.3 403 broadcast
frame-relay map ip 3.3.3.1 403 broadcast
exit
int s 1/0.43 po
ip add 16.16.43.4 255.255.255.0
frame-relay interface-dlci 413
exit
int loo 0
ip add 4.4.4.1 255.255.255.0
exit
router ospf 1
network 16.16.34.4 0.0.0.0 area 0
network 16.16.43.4 0.0.0.0 area 0
network 4.4.4.1 0.0.0.0 area 0
exit
router ospf 1
nei 16.16.34.3 =============>frame-relay는 NBMA이다.
exit ===============>NBMA는 neighbor를 수동으로 맺어 줘야한다.
************************************************************************************************
◆ DR이 잘못잡혔을때는 clear ip ospf process를 해주면 된다.
==>hello packet interval때문에 잘못잡히는 것이다.
(BMA는 10초여서 router 3에 ospf를 설정해주는 동안 이미 ospf설정이 마친 router 1과 router 2가
먼저 hello packet을 교환하여 DR을 맺었기 때문)
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