GME 和MGRE综合实验
一、实验拓扑
二、实验要求
1、R5为ISP，只能进行I地址配置，其所有地址均配为公有I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5环回
三、实验思路
1、配置IP地址
2、配置PAP、CHAP、HDLC封装
3、配置MGRE、GRE
4、配置RIP协议
5、配置NAT
测试和验证
四、实验步骤
1、IP地址配置
[R1]int g 0/0/0
[R1-GigabitEthernet0/0/0]ip add 192.168.1.1 24
[R1]int Serial 4/0/0
[R1-Serial4/0/0]ip add 15.1.1.1 24
[R2]int g0/0/0
[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 192.168.3.3 24
[R3]int Serial 4/0/0
[R3-Serial4/0/0]ip add 35.1.1.3 24
[R4]int g 0/0/0
[R4-GigabitEthernet0/0/0]ip add 45.1.1.4 24
[R4-GigabitEthernet0/0/0]int g 0/0/1
[R4-GigabitEthernet0/0/1]ip add 192.168.4.4 24
[R5]int Serial 4/0/1
[R5-Serial4/0/1]ip add 15.1.1.5 24
[R5-Serial4/0/1]int g 0/0/0
[R5-GigabitEthernet0/0/0]ip add 45.1.1.5 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
（2）配置静态ip
[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、PPP认证（配置PAP、CHAP、HDLC封装）
（1）R1 R5 PAP R5为主认证方
[R5]aaa
[R5-aaa]local-user xxx password cipher xxx111
[R5-aaa]int s4/0/1
[R5-Serial4/0/1]ppp authentication-mode pap
[R1]int s 4/0/0
[R1-Serial4/0/0]ppp pap local-user xxx password cipher xxx111
（2）R2 R5 CHAP R5为主认证方
[R5]aaa
[R5-aaa]local-user sss password cipher sss222
[R5-aaa]local-user sss service-type ppp
[R5-aaa]int s3/0/1
[R5-Serial3/0/1]ppp authentication-mode chap
[R2]int s 4/0/0
[R2-Serial4/0/0]ppp chap user sss
[R2-Serial4/0/0]ppp chap password cipher sss222
（3）R3 R5 HDLC
[R5]aaa
[R5-aaa]local-user xsq password cipher xsq789
[R5-aaa]local-user xsq service-type ppp
[R5]int Serial 4/0/0
[R5-Serial4/0/0]ppp authentication-mode chap
[R5-Serial4/0/0]link-protocol hdlc
[R3]int Serial 4/0/0
[R3-Serial4/0/0]ppp pap local-user xsq password cipher xsq789
[R3-Serial4/0/0]ppp authentication-mode chap
[R3-Serial4/0/0]link-protocol hdlc
全网通
4、配置MGRE、GRE
构建隧道
（1）R2、R3构建一个MGRE环境，R1为中心站点
[R1]int Tunnel 0/0/0
[R1-Tunnel0/0/0]ip add 10.1.2.1 24
[R1-Tunnel0/0/0]tunnel-protocol gre p2mp
[R1-Tunnel0/0/0]source 15.1.1.1
[R1-Tunnel0/0/0]nhrp network-id 100
[R2]int Tunnel 0/0/0
[R2-Tunnel0/0/0]ip add 10.1.2.2 24
[R2-Tunnel0/0/0]tunnel-protocol gre p2mp
[R2-Tunnel0/0/0]source Serial 4/0/0
[R2-Tunnel0/0/0]nhrp network-id 100
[R2-Tunnel0/0/0]nhrp entry 10.1.2.1 15.1.1.1 register
[R3]int Tunnel 0/0/0
[R3-Tunnel0/0/0]ip add 10.1.2.3 24
[R3-Tunnel0/0/0]tunnel-protocol gre p2mp
[R3-Tunnel0/0/0]source Serial 4/0/0
[R3-Tunnel0/0/0]nhrp entry 10.1.2.1 15.1.1.1 register
（2）R1、R4间为点到点的GRE
[R1]int Tunnel 0/0/1
[R1-Tunnel0/0/1]ip add 10.1.1.1 24
[R1-Tunnel0/0/1]tunnel-protocol gre
[R1-Tunnel0/0/1]source 15.1.1.1
[R1-Tunnel0/0/1]destination 45.1.1.4
[R4]int Tunnel 0/0/1
[R4-Tunnel0/0/1]ip add 10.1.1.2 24
[R4-Tunnel0/0/1]tunnel-protocol gre
[R4-Tunnel0/0/1]source 45.1.1.4
[R4-Tunnel0/0/1]destination 15.1.1.1
4、配置RIP协议
[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
查看rip表
5、配置NAT
[R1]acl 2000
[R1-acl-basic-2000]rule 5 permit source 192.168.1.0 0.0.0.255
[R1-acl-basic-2000]q
[R1]int Serial 4/0/0
[R1-Serial4/0/0]nat outbound 2000
[R2]acl 2000
[R2-acl-basic-2000]rule 5 permit source 192.168.2.0 0.0.0.255
[R2-acl-basic-2000]int s 4/0/0
[R2-Serial4/0/0]nat outbound 2000
[R3]acl 2000
[R3-acl-basic-2000]rule 5 permit source 192.168.3.0 0.0.0.255
[R3-acl-basic-2000]int s4/0/0
[R3-Serial4/0/0]nat outbound 2000
[R4]acl 2000
[R4-acl-basic-2000]rule 5 permit source 192.168.4.0 0.0.0.255
[R4-acl-basic-2000]int g 0/0/0
[R4-GigabitEthernet0/0/0]nat outbound 2000
6、测试
