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ANTON
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2009-06-30 00:41:38, 조회 : 222, 추천 : 39 |
BMA
Network Type = broadcast (Hello 10, Dead 40)
DR/BDR election
Neighbor auto discovery
int s0
ip ospf network broadcast
R1#sh ip ospf interface serial 0
Serial0 is up, line protocol is up
Internet Address 3.3.12.1/24, Area 0
Process ID 1, Router ID 3.3.1.1, Network Type BROADCAST, Cost: 64
Transmit Delay is 1 sec, State BDR, Priority 1
Designated Router (ID) 3.3.2.2, Interface address 3.3.12.2
Backup Designated router (ID) 3.3.1.1, Interface address 3.3.12.1
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
oob-resync timeout 40
Hello due in 00:00:08
Index 2/2, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 1, maximum is 1
Last flood scan time is 4 msec, maximum is 4 msec
Neighbor Count is 1, Adjacent neighbor count is 1
Adjacent with neighbor 3.3.2.2 (Designated Router)
Suppress hello for 0 neighbor(s)
R1#sh ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
3.3.2.2 1 FULL/DR 00:00:34 3.3.12.2 Serial0
int s0
ip ospf network broadcast
R2#sh ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
3.3.1.1 1 FULL/BDR 00:00:30 3.3.12.1 Serial0.1
R2#sh ip ospf interface serial 0.1
Serial0.1 is up, line protocol is up
Internet Address 3.3.12.2/24, Area 0
Process ID 1, Router ID 3.3.2.2, Network Type BROADCAST, Cost: 64
Transmit Delay is 1 sec, State DR, Priority 1
Designated Router (ID) 3.3.2.2, Interface address 3.3.12.2
Backup Designated router (ID) 3.3.1.1, Interface address 3.3.12.1
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
Hello due in 00:00:00
Index 2/2, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 1, maximum is 2
Last flood scan time is 0 msec, maximum is 0 msec
Neighbor Count is 1, Adjacent neighbor count is 1
Adjacent with neighbor 3.3.1.1 (Backup Designated Router)
Suppress hello for 0 neighbor(s)
R2#
NBMA
규칙
Network Type = non-broadcast (Hello 30, Dead 120)
DR/BDR election
Neighbor manual discovery
ip ospf network non-broadcast
R1#sh ip ospf interface serial 0
Serial0 is up, line protocol is up
Internet Address 3.3.12.1/24, Area 0
Process ID 1, Router ID 3.3.1.1, Network Type NON_BROADCAST, Cost: 64
Transmit Delay is 1 sec, State WAITING, Priority 1
No designated router on this network
No backup designated router on this network
Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
oob-resync timeout 120
Hello due in 00:00:01
Wait time before Designated router selection 00:01:01
Index 2/2, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 1, maximum is 1
Last flood scan time is 4 msec, maximum is 4 msec
Neighbor Count is 0, Adjacent neighbor count is 0
Suppress hello for 0 neighbor(s)
R1#sh ip ospf neighbor
없으 ^^/
R1#
R2#sh ip ospf interface serial 0.1
Serial0.1 is up, line protocol is up
Internet Address 3.3.12.2/24, Area 0
Process ID 1, Router ID 3.3.2.2, Network Type NON_BROADCAST, Cost: 64
Transmit Delay is 1 sec, State WAITING, Priority 1
No designated router on this network
No backup designated router on this network
Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
Hello due in 00:00:06
Wait time before Designated router selection 00:00:06
Index 2/2, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 1, maximum is 2
Last flood scan time is 0 msec, maximum is 0 msec
Neighbor Count is 0, Adjacent neighbor count is 0
Suppress hello for 0 neighbor(s)
R2#sh ip ospf neighbor
없으
R2#sh ip ospf interface serial 0.1
none-broadcast 는 반드시 neighbor 을 양쪽에 설정을 해줘야 한다.
그럼 설정후를 보장 ^^/
R1(config)#router ospf
R1(config-router)#neighbor 3.3.12.2
R1#sh ip ospf interface serial 0
Serial0 is up, line protocol is up
Internet Address 3.3.12.1/24, Area 0
Process ID 1, Router ID 3.3.1.1, Network Type NON_BROADCAST, Cost: 64
Transmit Delay is 1 sec, State BDR, Priority 1
Designated Router (ID) 3.3.2.2, Interface address 3.3.12.2
Backup Designated router (ID) 3.3.1.1, Interface address 3.3.12.1
Flush timer for old DR LSA due in 00:02:42
Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
oob-resync timeout 120
Hello due in 00:00:21
Index 2/2, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 1, maximum is 1
Last flood scan time is 4 msec, maximum is 4 msec
Neighbor Count is 1, Adjacent neighbor count is 1
Adjacent with neighbor 3.3.2.2 (Designated Router)
Suppress hello for 0 neighbor(s)
R2(config)#router ospf
R2(config-router)#neighbor 3.3.12.1
R2#sh ip ospf interface serial 0.1
Serial0.1 is up, line protocol is up
Internet Address 3.3.12.2/24, Area 0
Process ID 1, Router ID 3.3.2.2, Network Type NON_BROADCAST, Cost: 64
Transmit Delay is 1 sec, State DR, Priority 1
Designated Router (ID) 3.3.2.2, Interface address 3.3.12.2
No backup designated router on this network
Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
Hello due in 00:00:25
Index 2/2, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 1, maximum is 2
Last flood scan time is 0 msec, maximum is 0 msec
Neighbor Count is 1, Adjacent neighbor count is 1
Adjacent with neighbor 3.3.1.1
Suppress hello for 0 neighbor(s)
point-to-point
다음은 PTP에 대한 실험
R1(config)#router ospf 1
R1(config-router)#no neighbor 3.3.12.2
R2(config)#router ospf 1
R2(config-router)#no neighbor 3.3.12.1
R1(config)#interface serial 0
ip ospf network point-to-point
R2(config)#interface serial 0.1
ip ospf network point-to-point
규칙
Network Type = POINT_TO_POINT (Hello 10, Dead 40)
DR/BDR election (X)
Neighbor auto discovery
R1#sh ip ospf interface serial 0
Serial0 is up, line protocol is up
Internet Address 3.3.12.1/24, Area 0
Process ID 1, Router ID 3.3.1.1, Network Type POINT_TO_POINT, Cost: 64
Transmit Delay is 1 sec, State POINT_TO_POINT,
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
oob-resync timeout 40
Hello due in 00:00:01
Index 2/2, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 1, maximum is 1
Last flood scan time is 4 msec, maximum is 4 msec
Neighbor Count is 1, Adjacent neighbor count is 1
Adjacent with neighbor 3.3.2.2
Suppress hello for 0 neighbor(s)
R1#sh ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
3.3.2.2 0 FULL/ - 00:00:33 3.3.12.2 Serial0
R2#sh ip ospf interface serial 0.1
Serial0.1 is up, line protocol is up
Internet Address 3.3.12.2/24, Area 0
Process ID 1, Router ID 3.3.2.2, Network Type POINT_TO_POINT, Cost: 64
Transmit Delay is 1 sec, State POINT_TO_POINT,
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
Hello due in 00:00:08
Index 2/2, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 1, maximum is 2
Last flood scan time is 0 msec, maximum is 0 msec
Neighbor Count is 1, Adjacent neighbor count is 1
Adjacent with neighbor 3.3.1.1
Suppress hello for 0 neighbor(s)
R2#sh ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
3.3.1.1 1 FULL/ - 00:00:34 3.3.12.1 Serial0.1
point-to-multipoint
Network Type = POINT_TO_MULTIPOINT (Hello 30, Dead 120)
DR/BDR election (X)
Neighbor auto discovery
R1#sh ip ospf interface serial 0
Serial0 is up, line protocol is up
Internet Address 3.3.12.1/24, Area 0
Process ID 1, Router ID 3.3.1.1, Network Type POINT_TO_MULTIPOINT, Cost: 64
Transmit Delay is 1 sec, State POINT_TO_MULTIPOINT,
Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
oob-resync timeout 120
Hello due in 00:00:19
Index 2/2, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 1, maximum is 1
Last flood scan time is 4 msec, maximum is 4 msec
Neighbor Count is 1, Adjacent neighbor count is 1
Adjacent with neighbor 3.3.2.2
Suppress hello for 0 neighbor(s)
R1#sh ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
3.3.2.2 0 FULL/ - 00:01:36 3.3.12.2 Serial0
R2#sh ip ospf interface serial 0.1
Serial0.1 is up, line protocol is up
Internet Address 3.3.12.2/24, Area 0
Process ID 1, Router ID 3.3.2.2, Network Type POINT_TO_MULTIPOINT, Cost: 64
Transmit Delay is 1 sec, State POINT_TO_MULTIPOINT,
Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
Hello due in 00:00:17
Index 2/2, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 1, maximum is 2
Last flood scan time is 0 msec, maximum is 0 msec
Neighbor Count is 1, Adjacent neighbor count is 1
Adjacent with neighbor 3.3.1.1
Suppress hello for 0 neighbor(s)
R2#sh ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
3.3.1.1 1 FULL/ - 00:01:34 3.3.12.1 Serial0.1
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