ospf单区域配置-cisco-069

茅屋为秋风

　　实验拓扑图：

　　（图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>　　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>　　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>　　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>　　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：

　　（图2）

　　（图3）

　　（图4）
　　（图5）
　　　　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。