内容简介
本书为介绍IP路由技术的入门资料。此书从网络的拓扑结构和路由技术：包括路由的距离、终止网络、子网、VLSM、缺省路由、IP的故障排除、在不同的介质中构架IP和IP地址的表示。本书条理清楚，内容充实，可作为深入了解网络的入门。
目录
Chapter 1 Topology and Router configurations
Understanding the Role of Routers in Networks
The Router Interface
Network Layer Addresses
Datagrams
MAC Addresses
IP Address formats
Network Reference Models
Understanding topology and Router Configurations
RouterA"s Configuration
RouterB"s Configuration
RouterC"s Configuration
Understanding What a Router Does
Sample Network
How a Router Knows What to Do
Choosing Your Routing Protocol
Understanding How forwarding Decisions
Are Made
Performing Longest Match Lookups
Forwarding Decisions for Multipoint Interfaces
End Systems Sending Packets to Other Subnets
Summary
Chapter 2 Routing Metrics and Distances
Primary Activties of Convergence
Viewing the Invalid Timers in a Routing Table
Viewing an Expired Invalid Timer in a Routing Table
Router Still Uses a Path
Understanding convergence
Parallel Paths
The Effect of Parallel Paths on Convergence
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