静态路由 Static Route Cisco.com 深圳职业技术学院计算机系网络专业 C2006,Shenzhen Polytechnic.All rights reserved. 1
© 2006, Shenzhen Polytechnic. All rights reserved. 1 静态路由 Static Route 深圳职业技术学院计算机系网络专业
教学目标(Objectives ) Cisco.com 1.IP路由(IP Routing) 2.路由选择和路由表 (Path Determination and IP Routing Table) 3.路由数据包(Routing Packets） 4.路径交换(Path Switching) 5.被路由协议与路由协议 Routed Protocol and Routing Protocol 6.静态路由和动态路由 (Static Routes and Dynamic Routes) 7.静态路由(Static Route) 8.默认路由(Default Route) C2006 Shenzhen Polytechnic.All rights reserved
© 2006 Shenzhen Polytechnic. All rights reserved. 2 教学目标（ Objectives ） 1.IP路由（IP Routing） 2.路由选择和路由表 （Path Determination and IP Routing Table） 3.路由数据包（ Routing Packets ） 4.路径交换（ Path Switching ） 5.被路由协议与路由协议 （ Routed Protocol and Routing Protocol ） 6.静态路由和动态路由 （Static Routes and Dynamic Routes） 7.静态路由（ Static Route ） 8.默认路由（Default Route）
路由选择和路由表 (Path Determination and IP Routing Table) Cisco.com 为了路由数据包，路由器应该知道： To route,a router needs to know: ·目的地址 Destination addresses 源地址 。之 Sources it can learn from) ·可能路由 Possible routes ·最佳路由 Best route ·维护和更新路由信息 Maintain and verify routing information) C2006 Shenzhen Polytechnic.All rights reserved. 3
© 2006 Shenzhen Polytechnic. All rights reserved. 3 路由选择和路由表 （Path Determination and IP Routing Table） 为了路由数据包，路由器应该知道： To route, a router needs to know: ·目的地址 （Destination addresses ） ·源地址 （ Sources it can learn from） ·可能路由 （ Possible routes ） ·最佳路由 （ Best route ） ·维护和更新路由信息 （Maintain and verify routing information）
路由选择和路由表 (Path Determination and IP Routing Table) Cisco.com Network Layer:Path Determination @2006 Shenzhen Polytechnic.Allrights reserved
© 2006 Shenzhen Polytechnic. All rights reserved. 4 路由选择和路由表 （Path Determination and IP Routing Table）
路由器怎样传递数据包 (How Routers Route Packets from Source to Destination Cisco.com 1.拆包(remove the data link layer address) 2.查表(refer to the routing table) 3.打包(encapsulating a new frame) 4.转发(forwarding the packet) C2006 Shenzhen Polytechnic.All rights reserved
© 2006 Shenzhen Polytechnic. All rights reserved. 5 路由器怎样传递数据包 (How Routers Route Packets from Source to Destination ) 1.拆包(remove the data link layer address) 2.查表(refer to the routing table) 3.打包(encapsulating a new frame) 4.转发(forwarding the packet)
路由器怎样传递数据包 How Routers Route Packets from Source to Destination Cisco.com Network Layer:Communicate Path Information @2006 Shenzhen Polytechnic.Allrights reserved. 6
© 2006 Shenzhen Polytechnic. All rights reserved. 6 路由器怎样传递数据包 How Routers Route Packets from Source to Destination
主机地址和网络地址 (Network Addressing and Host Addressing Cisco.com 路由器用网络地址来确定数据包的目的网络。 The router uses the network address to identify the destination network (LAN)of a packet within an internetwork. C2006 Shenzhen Polytechnic.All rights reserved. 7
© 2006 Shenzhen Polytechnic. All rights reserved. 7 主机地址和网络地址 (Network Addressing and Host Addressing ) 路由器用网络地址来确定数据包的目的网络。 The router uses the network address to identify the destination network (LAN) of a packet within an internetwork
路由器确定网络地址 (Determining Network Address) Cisco.com Addressing:Networks and Hosts C m ■ 1 图一十= 中山小品了。▣ E @2006 Shenzhen Polytechnic.Allrights reserved. 8
© 2006 Shenzhen Polytechnic. All rights reserved. 8 路由器确定网络地址 （Determining Network Address）
路径交换(Path Switching) Cisco.com 利e十rork Prgtocol operations 巴 国■■ 数据包在传递过程中，网络地址保持不变，MAC地址在不断的变化。 As the packet move through the internetwork,its MAC address changes,but its network address remains the same. C2006 Shenzhen Polytechnic.All rights reserved. 9
© 2006 Shenzhen Polytechnic. All rights reserved. 9 路径交换（Path Switching） 数据包在传递过程中，网络地址保持不变，MAC地址在不断的变化。 As the packet move through the internetwork,its MAC address changes,but its network address remains the same
被路由协议和路由协议 (Routed Protocol and Routing Protocol) Cisco.com 被路由协议：用来在路由器之间传递用户的信息 Routed protocols:transport data across a network.(IP,IPX) 路由协议：用于维护路由器的路由表 Routing protocols:allow routers to choose the best path for data from source to destination. (RIP,OSPF,EIGRP) C2006 Shenzhen Polytechnic.All rights reserved
© 2006 Shenzhen Polytechnic. All rights reserved. 10 被路由协议和路由协议 （Routed Protocol and Routing Protocol） 被路由协议：用来在路由器之间传递用户的信息 Routed protocols: transport data across a network.（IP,IPX） 路由协议：用于维护路由器的路由表 Routing protocols: allow routers to choose the best path for data from source to destination. （RIP,OSPF,EIGRP）