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1、本书是一本简洁而完整的 OSPF 命令手册。书中提供了很多示例场景，演示了可在由最少数量的路由器组成的网络环境中实施的每条 OSPF 命令的正确用法。这可以让读者学会每条 OSPF 命令，而不需搭建一个庞大的、昂贵的实验室环境。这些示例场景清晰地展示了每条 OSPF 命令的目的和用法。有的例子介绍了一些常见的不能正常工作的环境，帮助读者加深对一些特别的 OSPF 命令的理解。本书覆盖了OSPF 中的很多主题，包括接口配置、OSPF 区域配置、路由过滤、OSPF 进程配置、路由成本、缺省路由产生、路由再分布、管理距离、OSPF 邻居关系、路由汇聚，以及“show”、“debug”和“clear”
2、命令等。本书的使用方式与读者的目标有关。如果读者是要准备 CCIE 的笔试和 LAB 考试，那么本书可被用作学习每条 OSPF 命令的目的和正确用法的实验室指南。如果读者是一位网络设计人员，那么本书可被用作 OSPF 命令的参考书。第 1 章 OSPF 进程配置命令 3 1.1 router ospf process-id 3 1.2 route ospf process-id vrf name 5第 2 章 OSPF 区域命令 9 2.1 area area-id authentication 9 2.2 area area-id authentication message-digest
3、16 2.3 area area-id default-cost cost 25 2.4 area area-id nssa 30 2.5 area area-id nssa default-infromation-originate 36 2.6 area area-id nssa no-redistribution 43 2.7 area area-id nssa no-summary 53 2.8 area area-id range ip-address mask 60 2.9 area area-id range ip-address mask advertise 60 2.10 a
4、rea area-id range ip-address mask not-advertise 60 2.11 area area-id stub 66 2.12 area area-id stub no-summary 72 2.13 area transit-area-id virtual-link router-id 76 2.14 area transit-area-id virtual-link router-id authentication authentication-key password 82 2.15 area transit-area-id virtual-link
5、router-id authentication message-digest 82 2.16 area transit-area-id virtual-link router-id authentication null 83 2.17 area transit-area-id virtual-link router-id authentication-key password 95 2.18 area transit-area-id virtual-link router-id dead-interval seconds 101 2.19 area transit-area-id virt
6、ual-link router-id hello-interval seconds 107 2.20 area transit-area-id virtual-link router-id message-digest-key key-id md5 password 112 2.21 area transit-area-id virtual-link router-id retransmit-interval seconds 1192.22 area transit-area-id virtual-link router-id transmit-delay seconds 125第 3 章 默
7、认成本 129 3.1 auto-cost reference-bandwidth bandwidth 129第 4 章 产生缺省路由 139 4.1 default-information originate 139 4.2 default-information originate always 142 4.3 default-information originate metric cost 145 4.4 default-information originate always metric cost 145 4.5 default-information originate metr
8、ic-type type 148 4.6 default-information originate always metric-type type 148 4.7 default-information originate route-map route-map-name 152第 5 章 为再次分布协议设置缺省的度量 159 5.1 default-metric cost 159第 6 章 管理距离 165 6.1 distance administrative-distance 165 6.2 distance administrative-distance source-ip- add
9、ress source-ip-mask 169 6.3 distance administrative-distance source-ip- address source-ip-mask access-list-number 169 6.4 distance ospf external administrative-distance 174 6.5 distance ospf inter-area administrative-distance 174 6.6 distance ospf intra-area administrative-distance 174第 7 章 用分布列表过滤路
10、由 181 7.1 distribute-list access- list-number in 181 7.2 distribute-list access-list-number in interface-type interface-number 186 7.3 distribute-list access-list-number out 191 7.4 distribute-list access-list-number out interface-type interface-number 191 7.5 distribute-list access-list-number out
11、routing-process 192 7.6 distribute-list access-list-number in 197 7.7 distribute-list access-list-name in interface-type interface-number 201 7.8 distribute-list access-list-name out 206 7.9 distribute-list access-list-name out interface-type interface-number 207 7.10 distribute-list access-list-nam
12、e out routing-process 207 7.11 distribute-list prefix prefix-list-name in 212 7.12 distribute-list prefix prefix-list-name in interface-type interface-number 217 7.13 distribute-list prefix prefix-list-name out 222 7.14 distribute-list prefix prefix-list-name out interface-type interface-number 222
13、7.15 distribute-list prefix prefix-list-name out routing-process 222第 8 章 MOSPF LSA 的处理 2318.1 ignore lsa mospf 231第 9 章 记录 OSPF 邻居状态的改变 233 9.1 log-adjacency-changes 233 9.2 log adjacency-changes detail 233第 10 章 最大路径配置 237 10.1 maximum-paths number-of-paths 237第 11 章 OSPF 邻居命令 243 11.1 neighbor ip
14、-address 243 11.2 neighbor ip-address cost cost 256 11.3 neighbor ip-address database-filter all out 259 11.4 neighbor ip-address poll-interval interval 261 11.5 neighbor ip-address priority priority 263第 12 章 OSPF 网络命令 267 12.1 network ip-address wild-card-mask area area-id 267第 13 章 被动的 OSPF 接口 27
15、3 13.1 passive-interface interface-name interface-number 273 13.2 passive-interface default 276第 14 章 路由的再次分布 281 14.1 redistribute routing-process process-id 281 14.2 redistribute routing-process process-id metric ospf-metric 281 14.3 redistribute routing-process process-id metric-type metric-type
16、281 14.4 redistribute routing-process process-id subnets 281 14.5 redistribute routing-process process-id tag tag-value 282 14.6 redistribute routing-process process-id route-map route-map-name 292第 15 章 控制 OSPF 路由器 ID 307 15.1 router-id ip-address 307第 16 章 汇聚外部路由 315 16.1 summary-address ip-address mask 315 16.2 summary-address ip- address mask not-advertise 315 16.3 summary-address ip-address mask tag value 318第 17 章 OSPF 计时器 325 17.1 timers lsa-group-pacing seconds 325 17.2 timers spf delay
