一、实验拓扑

二、实验需求 1、R5为ISP,只能进行IP地址配置,其所有地址均配为公有P地址
2、R1和R5间使用PPP的PAP认证,R5为主认证方
R2与R5之间使用ppp的CHAP认证,R5为主认证方
R3与R5之间使用HDLC封装;
3、 R1、R2、R3构建一个MGRE环境,R1为中心站点,R1、R4间为点到点的GRE;
4, 整个私有网络基本RIP全网可达;
5、所有PC设置私有IP为源IP,可以访问R5环回。 三、实验思路 1、配置IP地址
2、配置静态路由使公网通
3、R1和R5间使用PPP的PAP认证,R5为主认证
4、R2与R5之间使用ppp的CHAP认证,R5为主认证方
5、R3与R5之间使用HDLC封装
6、R1、R2、R3构建一个MGRE环境,R1为中心站点,R1、R4间为点到点的GRE;
7、整个私有网络基本RIP全网可达;
8、所有PC设置私有IP为源IP,可以访问R5环回。(配置NAT) 四、实验配置 1、配置IP地址




[R1-GigabitEthernet0/0/0]ip add 192.168.1.2 24
[R1]int Serial 4/0/0
[R1-Serial4/0/0]ip add 15.1.1.1 24
[R2]int g 0/0/0
[R2-GigabitEthernet0/0/0]ip add 192.168.2.2 24
[R2]int Serial 4/0/0
[R2-Serial4/0/0]ip add 25.1.1.2 24
[R3]int g 0/0/0
[R3-GigabitEthernet0/0/0]ip add 192.168.3.2 24
[R3]int Serial 4/0/0
[R3-Serial4/0/0]ip add 35.1.1.3 24
[R4]int g 0/0/1
[R4-GigabitEthernet0/0/1]ip add 192.168.4.2 24
[R4]int g 0/0/0
[R4-GigabitEthernet0/0/0]ip add 45.1.1.4 24
[R5]int g 0/0/0
[R5-GigabitEthernet0/0/0]ip add 45.1.1.5 24
[R5]int Serial 4/0/1
[R5-Serial4/0/1]ip add 15.1.1.5 24
[R5]int Serial 3/0/1
[R5-Serial3/0/1]ip add 25.1.1.5 24
[R5]int Serial 4/0/0
[R5-Serial4/0/0]ip add 35.1.1.5 24
[R5]int l0
[R5-LoopBack0]ip add 5.5.5.5 24
2、配置静态路由,实现公网通
[R1]ip route-static 0.0.0.0 0 15.1.1.5
[R2]ip route-static 0.0.0.0 0 25.1.1.5
[R3]ip route-static 0.0.0.0 0 35.1.1.5
[R4]ip route-static 0.0.0.0 0 45.1.1.5



3、R1和R5间使用PPP的PAP认证,R5为主认证方
[R5-aaa]local-user yang password cipher y123456 privilege level 15
[R5-aaa]local-user yang service-type ppp
[R5]int s 4/0/1
[R5-Serial4/0/1]ppp authentication-mode pap
[R1-Serial4/0/0]ppp pap local-user yang password cipher y123456

4、R2与R5之间使用ppp的CHAP认证,R5为主认证方
[R5]aaa
[R5-aaa]local-user hai password cipher h123456 privilege level 15
[R5-aaa]local-user hai service-type ppp
[R5]int s 3/0/1
[R5-Serial3/0/1]ppp authentication-mode chap
[R2]int Serial 4/0/0
[R2-Serial4/0/0]ppp chap user hai
[R2-Serial4/0/0]ppp chap password cipher h123456

5、R3与R5之间使用HDLC封装
[R5]int s 4/0/0
[R5-Serial4/0/0]link-protocol hdlc
[R3]int s 4/0/0
[R3-Serial4/0/0]link-protocol hdlc

6、R1、R2、R3构建一个MGRE环境,R1为中心站点,R1、R4间为点到点的GRE;
配置gre
[R1]int Tunnel 0/0/0
[R1-Tunnel0/0/0]ip add 10.1.1.1 24
[R1-Tunnel0/0/0]tunnel-protocol GRE
[R1-Tunnel0/0/0]source 15.1.1.1
[R1-Tunnel0/0/0]destination 45.1.1.4
[R4]int Tunnel 0/0/0
[R4-Tunnel0/0/0]ip add 10.1.1.2 24
[R4-Tunnel0/0/0]tunnel-protocol gre
[R4-Tunnel0/0/0]source 45.1.1.4
[R4-Tunnel0/0/0]destination 15.1.1.1
配置MGRE(配置nhrp协议)
[R1]int Tunnel 0/0/1
[R1-Tunnel0/0/1]ip add 10.1.2.1 24
[R1-Tunnel0/0/1]tunnel-protocol gre p2mp
[R1-Tunnel0/0/1]source 15.1.1.1
[R1-Tunnel0/0/1]nhrp network-id 100
[R2]int Tunnel 0/0/1
[R2-Tunnel0/0/1]ip add 10.1.2.2 24
[R2-Tunnel0/0/1]tunnel-protocol gre p2mp
[R2-Tunnel0/0/1]source Serial 4/0/0
[R2-Tunnel0/0/1]nhrp network-id 100
[R2-Tunnel0/0/1]nhrp entry 10.1.2.1 15.1.1.1 register
[R3]int Tunnel 0/0/1
[R3-Tunnel0/0/1]ip add 10.1.2.3 24
[R3-Tunnel0/0/1]tunnel-protocol gre p2mp
[R3-Tunnel0/0/1]source Serial 4/0/0
[R3-Tunnel0/0/1]nhrp network-id 100
[R3-Tunnel0/0/1]nhrp entry 10.1.2.1 15.1.1.1 register

7、整个私有网络基本RIP全网可达;
[R1]rip 1
[R1-rip-1]version 2
[R1-rip-1]undo summary
[R1-rip-1]network 192.168.1.0
[R1-rip-1]network 10.0.0.0
[R2]rip 1
[R2-rip-1]version 2
[R2-rip-1]undo summary
[R2-rip-1]network 192.168.2.0
[R2-rip-1]network 10.0.0.0
[R3]rip 1
[R3-rip-1]version 2
[R3-rip-1]undo summary
[R3-rip-1]network 192.168.3.0
[R3-rip-1]network 10.0.0.0
[R4]rip 1
[R4-rip-1]version 2
[R4-rip-1]undo summary
[R4-rip-1]network 192.168.4.0
[R4-rip-1]network 10.0.0.0

此时分部R2/R3都还没有学到路由,但是R4已经学到了路由,因为点到点隧道支持广播
开启设备的伪广播功能
[R1]int Tunnel 0/0/1
[R1-Tunnel0/0/1]nhrp entry multicast dynamic


此时学到部分路由,单由于RIP协议默认开启水平分割功能,因此需要关闭水平分割功能
[R1-Tunnel0/0/1]undo rip split-horizon
[R2-Tunnel0/0/1]undo rip split-horizon
[R3-Tunnel0/0/1]undo rip split-horizon




8、所有PC设置私有IP为源IP,可以访问R5环回。(配置NAT easy ip)
[R1]acl 2000
[R1-acl-basic-2000]rule permit source 192.168.1.0 0.0.0.255
[R1]int Serial 4/0/0
[R1-Serial4/0/0]nat outbound 2000
[R2]acl 2000
[R2-acl-basic-2000]rule permit source 192.168.2.0 0.0.0.255
[R2]int s 4/0/0
[R2-Serial4/0/0]nat outbound 2000
[R3]acl 2000
[R3-acl-basic-2000]rule permit source 192.168.3.0 0.0.0.255
[R3]int s 4/0/0
[R3-Serial4/0/0]nat outbound 2000
[R4]acl 2000
[R4-acl-basic-2000]rule permit source 192.168.4.0 0.0.0.255
[R4]int g 0/0/0
[R4-GigabitEthernet0/0/0]nat outbound 2000
