HCIP实验练习题

实验拓扑如下:

HCIP实验练习题_第1张图片

实验题目要求如下:

【1】R2为ISP,只能配置IP地址

【2】R1~R2之间为HDLC封装

【3】R2~R3之间为ppp封装,pap认证,R2为主认证方

【4】R2~R4之间为ppp封装,chap认证,R2为主认证方

【5】R1、R2、R3构建MGRE环境,R1的IP地址固定

【6】内网使用RIP获取路由,所有PC可以相互访问,可以访问R2的环回

实验思路如下:

(1)IP的配置

(2)做好封装(R1~R2、R2~R3、R2~R4)

(3)所有边界路由器发出缺省指向ISP,以实现全网可达

(4)构建MGRE环境

(5)使用关闭水平分割实现路由全网正常收敛

 实验步骤如下:

1、封装R1~R2(HDLC)

指令如下:

R1:

[R1]int s4/0/0
[R1-Serial4/0/0]ip add 12.1.1.1 24
[R1-Serial4/0/0]link-protocol hdlc 
Warning: The encapsulation protocol of the link will be changed. Continue? [Y/N]
:Y

R2:

[ISP]int s4/0/0
[ISP-Serial4/0/0]ip add 12.1.1.2 24
[ISP-Serial4/0/0]link-protocol hdlc 
Warning: The encapsulation protocol of the link will be changed. Continue? [Y/N]
:Y

2、封装R2~R3(ppp封装,pap认证)

指令如下:

R2:

[ISP]aaa
[ISP-aaa]local-user xiao password cipher 123456
[ISP-aaa]local-user xiao service-type ppp
[ISP]int s4/0/1
[ISP-Serial4/0/1]ppp authentication-mode pap

R3:

[R3]int s4/0/0
[R3-Serial4/0/0]ppp pap local-user xiao password cipher 123456 

3、封装R2~R4(ppp封装,chap认证)

指令如下:

R2:

[ISP]aaa
[ISP-aaa]local-user gang password cipher 123456
[ISP-aaa]local-user gang service-type ppp
[ISP]int s3/0/0
[ISP-Serial3/0/0]ppp authentication-mode chap

R3:

[R4]int s4/0/0
[R4-Serial4/0/0]ppp chap user gang
[R4-Serial4/0/0]ppp chap password cipher 123456

4、构建MGRE环境

指令如下:

[R1]interface Tunnel 0/0/0
[R1-Tunnel0/0/0]ip add 192.168.4.1 24
[R1-Tunnel0/0/0]tunnel-protocol gre p2mp 
[R1-Tunnel0/0/0]source 12.1.1.1
[R1-Tunnel0/0/0]nhrp entry multicast dynamic 
[R1-Tunnel0/0/0]nhrp network-id 100
[R3]interface Tunnel 0/0/0
[R3-Tunnel0/0/0]ip add 192.168.4.2 24
[R3-Tunnel0/0/0]tunnel-protocol gre p2mp 
[R3-Tunnel0/0/0]source s4/0/0
[R3-Tunnel0/0/0]nhrp entry 192.168.4.1 12.1.1.1 register 
[R3-Tunnel0/0/0]nhrp network-id 100
[R4]interface Tunnel 0/0/0
[R4-Tunnel0/0/0]ip  add 192.168.4.3 24	
[R4-Tunnel0/0/0]tunnel-protocol gre p2mp 
[R4-Tunnel0/0/0]source s4/0/0
[R4-Tunnel0/0/0]nhrp entry 192.168.4.1 12.1.1.1 register 
[R4-Tunnel0/0/0]nhrp network-id 100

5、内网使用RIP获取路由

指令如下:

[R1]rip
[R1-rip-1]version 2
[R1-rip-1]network 192.168.1.0 
[R1-rip-1]network 192.168.4.0
[R1-Tunnel0/0/0]undo rip split-horizon
[R3]rip
[R3-rip-1]version 2
[R3-rip-1]network 192.168.4.0
[R3-rip-1]network 192.168.2.0
[R4]rip
[R4-rip-1]version 2
[R4-rip-1]network 192.168.4.0
[R4-rip-1]network 192.168.3.0

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