OSPF和RIP综合实验 有点难度！
本文共 6682 字，大约阅读时间需要 22 分钟。
ospf实验
R1>en R1#show running-config 查看配置文件 hostname R1
interface Loopback0 环回口地址 ip address 172.16.0.1 255.255.255.0 ! interface Loopback1 ip address 172.16.1.1 255.255.255.0 ! interface Loopback2 ip address 172.16.2.1 255.255.255.0 ! interface Loopback3 ip address 172.16.3.1 255.255.255.0 ! interface FastEthernet0/0 ip address 192.168.12.1 255.255.255.0
router rip rip动态路由协议 以跳数为度量值 version 2 版本2 network 172.16.0.0 自己知道的网络号 network 192.168.12.0 no auto-summary 不自动汇总
end
R2#show running-config
interface Loopback0 ip address 2.2.2.2 255.255.255.255 ! interface FastEthernet0/0 ip address 192.168.12.2 255.255.255.0 duplex auto speed auto ! interface FastEthernet0/1 ip address 192.168.23.2 255.255.255.0 duplex auto speed auto ! router ospf 110 ospf动态路由协议 以 cost 为度量值 log-adjacency-changes area 1 nssa no-summary NSSA区域 summary-address 172.16.0.0 255.255.252.0 汇总地址 redistribute rip subnets 把rip协议加入到 ospf里 network 2.2.2.2 0.0.0.0 area 1 network 192.168.12.0 0.0.0.255 area 1 网络号 后面跟反掩码 区域号 network 192.168.23.0 0.0.0.255 area 1 !
router rip rip协议 version 2 redistribute ospf 110 metric 3 把ospf 协议打入到 rip协议里 度量值3 network 2.0.0.0 network 192.168.12.0 network 192.168.23.0 no auto-summary
end
R3#show running-config hostname R3
interface Loopback0 ip address 3.3.3.3 255.255.255.255 ! interface FastEthernet0/0 ip address 192.168.23.3 255.255.255.0 duplex auto speed auto ! interface FastEthernet0/1 ip address 192.168.34.3 255.255.255.0 duplex auto speed auto ! router ospf 110 log-adjacency-changes area 1 nssa no-summary network 3.3.3.3 0.0.0.0 area 1 network 192.168.23.0 0.0.0.255 area 1 network 192.168.34.0 0.0.0.255 area 1
end
R4#show running-config Building configuration... hostname R4 ! interface Loopback0 ip address 4.4.4.4 255.255.255.255 ! interface FastEthernet0/0 ip address 192.168.34.4 255.255.255.0 duplex auto speed auto ! interface FastEthernet0/1 ip address 192.168.45.4 255.255.255.0 duplex auto speed auto ! router ospf 110 log-adjacency-changes area 1 nssa no-summary network 4.4.4.4 0.0.0.0 area 0 network 192.168.34.0 0.0.0.255 area 1 network 192.168.45.0 0.0.0.255 area 0 end
R5:
hostname R5
interface Loopback0 ip address 5.5.5.5 255.255.255.255 ! interface FastEthernet0/0 ip address 192.168.45.5 255.255.255.0 duplex auto speed auto ! interface FastEthernet0/1 ip address 192.168.56.5 255.255.255.0 duplex auto speed auto ! router ospf 110 log-adjacency-changes network 5.5.5.5 0.0.0.0 area 0 network 192.168.45.0 0.0.0.255 area 0 network 192.168.56.0 0.0.0.255 area 2 ! end
R6#show running-config Building configuration... hostname R6 ! interface Loopback0 ip address 6.6.6.6 255.255.255.255 ! interface FastEthernet0/0 ip address 192.168.56.6 255.255.255.0 duplex auto speed auto ! interface FastEthernet0/1 ip address 192.168.67.6 255.255.255.0 duplex auto speed auto ! router ospf 110 log-adjacency-changes redistribute rip subnets network 6.6.6.6 0.0.0.0 area 2 network 192.168.56.0 0.0.0.255 area 2 network 192.168.67.0 0.0.0.255 area 2 ! router rip version 2 redistribute ospf 110 metric 3 network 6.0.0.0 network 192.168.56.0 network 192.168.67.0 no auto-summary ! end
R7#show running-config
hostname R7 ! interface Loopback0 ip address 7.7.7.7 255.255.255.255 ! interface FastEthernet0/0 ip address 192.168.67.7 255.255.255.0 duplex auto speed auto ! interface FastEthernet0/1 no ip address shutdown duplex auto speed auto ! router rip version 2 network 7.0.0.0 network 192.168.67.0 no auto-summary ! end
R1>ping 7.7.7.7 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 7.7.7.7, timeout is 2 seconds: !!!!!
R2的路由表 C 192.168.12.0/24 is directly connected, FastEthernet0/0 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.2 is directly connected, Loopback0 3.0.0.0/32 is subnetted, 1 subnets O 3.3.3.3 [110/11] via 192.168.23.3, 00:19:33, FastEthernet0/1 172.16.0.0/16 is variably subnetted, 5 subnets, 2 masks R 172.16.0.0/24 [120/1] via 192.168.12.1, 00:00:20, FastEthernet0/0 O 172.16.0.0/22 is a summary, 00:20:13, Null0 R 172.16.1.0/24 [120/1] via 192.168.12.1, 00:00:21, FastEthernet0/0 R 172.16.2.0/24 [120/1] via 192.168.12.1, 00:00:21, FastEthernet0/0 R 172.16.3.0/24 [120/1] via 192.168.12.1, 00:00:21, FastEthernet0/0 C 192.168.23.0/24 is directly connected, FastEthernet0/1 O 192.168.34.0/24 [110/20] via 192.168.23.3, 00:19:35, FastEthernet0/1 O*IA 0.0.0.0/0 [110/21] via 192.168.23.3, 00:19:36, FastEthernet0/1
R6学习到汇总路由 我的拓扑图显示 是R7 show ip route 看到
R 192.168.12.0/24 [120/3] via 192.168.67.6, 00:00:07, FastEthernet0/0 2.0.0.0/32 is subnetted, 1 subnets R 2.2.2.2 [120/3] via 192.168.67.6, 00:00:07, FastEthernet0/0 3.0.0.0/32 is subnetted, 1 subnets R 3.3.3.3 [120/3] via 192.168.67.6, 00:00:07, FastEthernet0/0 R 192.168.45.0/24 [120/3] via 192.168.67.6, 00:00:07, FastEthernet0/0 4.0.0.0/32 is subnetted, 1 subnets R 4.4.4.4 [120/3] via 192.168.67.6, 00:00:07, FastEthernet0/0 5.0.0.0/32 is subnetted, 1 subnets R 5.5.5.5 [120/3] via 192.168.67.6, 00:00:08, FastEthernet0/0 6.0.0.0/32 is subnetted, 1 subnets R 6.6.6.6 [120/1] via 192.168.67.6, 00:00:08, FastEthernet0/0 172.16.0.0/22 is subnetted, 1 subnets R 172.16.0.0 [120/3] via 192.168.67.6, 00:00:10, FastEthernet0/0R 192.168.56.0/24 [120/1] via 192.168.67.6, 00:00:10, FastEthernet0/0 7.0.0.0/32 is subnetted, 1 subnets C 7.7.7.7 is directly connected, Loopback0 R 192.168.23.0/24 [120/3] via 192.168.67.6, 00:00:10, FastEthernet0/0 C 192.168.67.0/24 is directly connected, FastEthernet0/0 R 192.168.34.0/24 [120/3] via 192.168.67.6, 00:00:10, FastEthernet0/0 回答：发现有一条默认路由 做了NSSA 四类和五类都没了，三类就剩下一条默认路由 多了一条七类 看紫色表示 有七类LSA没有五类了
R3#show ip ospf database nssa-external
OSPF Router with ID (3.3.3.3) (Process ID 110)
Type-7 AS External Link States (Area 1)
Routing Bit Set on this LSA LS age: 1938 Options: (No TOS-capability, Type 7/5 translation, DC) LS Type: AS External Link Link State ID: 172.16.0.0 (External Network Number ) Advertising Router: 2.2.2.2 LS Seq Number: 80000001 Checksum: 0xE6E5 Length: 36 Network Mask: /22 Metric Type: 2 (Larger than any link state path) TOS: 0 Metric: 20 Forward Address: 2.2.2.2 External Route Tag: 0
R3#show ip ospf database external
OSPF Router with ID (3.3.3.3) (Process ID 110)
回答：R6上有 4.4.4.4 ASBR AR是5.5.5.5
R6#show ip ospf database asbr-summary
OSPF Router with ID (6.6.6.6) (Process ID 110)
Summary ASB Link States (Area 2)
Routing Bit Set on this LSA LS age: 1488 Options: (No TOS-capability, DC, Upward) LS Type: Summary Links(AS Boundary Router) Link State ID: 4.4.4.4 (AS Boundary Router address) Advertising Router: 5.5.5.5 LS Seq Number: 80000001 Checksum: 0x907D Length: 28 Network Mask: /0 TOS: 0 Metric: 10 因为做了NSSA后，R4即是ASBR也是ABR
本文转自 cs312779641 51CTO博客，原文链接:http://blog.51cto.com/chenhao6/1175488
转载地址：http://njgzl.baihongyu.com/
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