ospf-单区域-cisco-069
实验拓扑图：
69-1
实验要求：
1. ABC网络分别分布有50,30,10台主机。
2. 使用ospf实现三个网络的通信。
3. 网络规划如上图。
实验步骤：
R1#show runn
hostname R1
interface FastEthernet0/0
ip address 192.168.1.65 255.255.255.192
duplex auto
speed auto
interface Serial2/0
ip address 192.168.2.5 255.255.255.252
interface Serial3/0
ip address 192.168.2.9 255.255.255.252
router ospf 10
log-adjacency-changes
network 192.168.2.8 0.0.0 .3 area 0
network 192.168.2.4 0.0.0 .3 area 0
network 192.168.1.64 0.0.0 .63 area 0
ip classless
R1# show ip route
192.168.1.0/24 is variably subnetted, 3 subnets, 3 masks
O 192.168.1.16/28 [110/782] via 192.168.2.10, 00:09:36, Serial3/0
O 192.168.1.32/27 [110/782] via 192.168.2.6, 00:09:36, Serial2/0
C 192.168.1.64/26 is directly connected, FastEthernet0/0
192.168.2.0/30 is subnetted, 2 subnets
C 192.168.2.4 is directly connected, Serial2/0
C 192.168.2.8 is directly connected, Serial3/0
R1#show ip ospf
Routing Process "ospf 10" with ID 192.168.2.9
Supports only single TOS(TOS0) routes
Supports opaque LSA
SPF schedule delay 5 secs, Hold time between two SPFs 10 secs
Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs
Number of external LSA 0. Checksum Sum 0x000000
Number of opaque AS LSA 0. Checksum Sum 0x000000
Number of DCbitless external and opaque AS LSA 0
Number of DoNotAge external and opaque AS LSA 0
Number of areas in this router is 1. 1 normal 0 stub 0 nssa
External flood list length 0
Area BACKBONE(0)
Number of interfaces in this area is 3
Area has no authentication
SPF algorithm executed 2 times
Area ranges are
Number of LSA 3. Checksum Sum 0x00baf2
Number of opaque link LSA 0. Checksum Sum 0x000000
Number of DCbitless LSA 0
Number of indication LSA 0
Number of DoNotAge LSA 0
Flood list length 0
R2#show runn
hostname R2
interface FastEthernet0/0
ip address 192.168.1.33 255.255.255.224
duplex auto
speed auto
interface Serial2/0
ip address 192.168.2.6 255.255.255.252
clock rate 128000
router ospf 10
log-adjacency-changes
network 192.168.2.4 0.0.0 .3 area 0
network 192.168.1.32 0.0.0 .31 area 0
R2#show ip route
192.168.1.0/24 is variably subnetted, 3 subnets, 3 masks
O 192.168.1.16/28 [110/1563] via 192.168.2.5, 00:10:33, Serial2/0
C 192.168.1.32/27 is directly connected, FastEthernet0/0
O 192.168.1.64/26 [110/782] via 192.168.2.5, 00:10:33, Serial2/0
192.168.2.0/30 is subnetted, 2 subnets
C 192.168.2.4 is directly connected, Serial2/0
O 192.168.2.8 [110/1562] via 192.168.2.5, 00:10:33, Serial2/0
R2#show ip ospf
Routing Process "ospf 10" with ID 192.168.2.6
Supports only single TOS(TOS0) routes
Supports opaque LSA
SPF schedule delay 5 secs, Hold time between two SPFs 10 secs
Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs
Number of external LSA 0. Checksum Sum 0x000000
Number of opaque AS LSA 0. Checksum Sum 0x000000
Number of DCbitless external and opaque AS LSA 0
Number of DoNotAge external and opaque AS LSA 0
Number of areas in this router is 1. 1 normal 0 stub 0 nssa
External flood list length 0
Area BACKBONE(0)
Number of interfaces in this area is 2
Area has no authentication
SPF algorithm executed 2 times
Area ranges are
Number of LSA 3. Checksum Sum 0x00baf2
Number of opaque link LSA 0. Checksum Sum 0x000000
Number of DCbitless LSA 0
Number of indication LSA 0
Number of DoNotAge LSA 0
Flood list length 0
R3#show runn
hostname R3
interface FastEthernet0/0
ip address 192.168.1.17 255.255.255.240
duplex auto
speed auto
interface Serial3/0
ip address 192.168.2.10 255.255.255.252
clock rate 125000
router ospf 10
log-adjacency-changes
network 192.168.1.16 0.0.0 .15 area 0
network 192.168.2.8 0.0.0 .3 area 0
R3#show ip route
192.168.1.0/24 is variably subnetted, 3 subnets, 3 masks
C 192.168.1.16/28 is directly connected, FastEthernet0/0
O 192.168.1.32/27 [110/1563] via 192.168.2.9, 00:11:21, Serial3/0
O 192.168.1.64/26 [110/782] via 192.168.2.9, 00:11:21, Serial3/0
192.168.2.0/30 is subnetted, 2 subnets
O 192.168.2.4 [110/1562] via 192.168.2.9, 00:11:21, Serial3/0
C 192.168.2.8 is directly connected, Serial3/0
R3#show ip ospf
Routing Process "ospf 10" with ID 192.168.2.10
Supports only single TOS(TOS0) routes
Supports opaque LSA
SPF schedule delay 5 secs, Hold time between two SPFs 10 secs
Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs
Number of external LSA 0. Checksum Sum 0x000000
Number of opaque AS LSA 0. Checksum Sum 0x000000
Number of DCbitless external and opaque AS LSA 0
Number of DoNotAge external and opaque AS LSA 0
Number of areas in this router is 1. 1 normal 0 stub 0 nssa
External flood list length 0
Area BACKBONE(0)
Number of interfaces in this area is 2
Area has no authentication
SPF algorithm executed 2 times
Area ranges are
Number of LSA 3. Checksum Sum 0x00baf2
Number of opaque link LSA 0. Checksum Sum 0x000000
Number of DCbitless LSA 0
Number of indication LSA 0
Number of DoNotAge LSA 0
Flood list length 0
实验结果：
69-2
69-3
69-4
实验总结：
1. 使用OSPF时每台路由连接的网段必须全部配置，否则可能与的网段会学习不到路由信息。
2. #show ip ospf可以查询OSPF的配置信息。