CISCO路由器PPP协议配置试验步骤

试验要求：路由器R1和路由器R2之间采用PAP协议认证

          路由器R1和路由器R3之间采用CHAP协议认证

                各路由器之间使用RIPv2实现全网互通

一：试验拓扑图：

二：详细试验配置步骤：

R1的配置步骤： 

       --- System Configuration Dialog ---

Continue with configuration dialog? [yes/no]: no

Press RETURN to get started!

Router>enable

Router#configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

Router(config)#inter

Router(config)#interface s2/0

Router(config-if)#clock rate ?

Speed (bits per second

  1200          

  2400          

  4800          

  9600          

  19200         

  38400         

  56000         

  64000         

  72000         

  125000        

  128000        

  148000        

  250000        

  500000        

  800000        

  1000000       

  1300000        

  2000000       

  4000000       

  <300-4000000>  Choose clockrate from list above

Router(config-if)#clock rate 9600

Router(config-if)#ip address 3.3.3.1 255.255.255.252

Router(config-if)#encapsulation ?

  frame-relay  Frame Relay networks

  hdlc         Serial HDLC synchronous

  ppp          Point-to-Point protocol

Router(config-if)#encapsulation ppp

Router(config-if)#ppp ?

  authentication  Set PPP link authentication method

  pap             Set PAP authentication parameters

Router(config-if)#ppp authentication ?

  chap  Challenge Handshake Authentication Protocol <CHAP>

  pap   Password Authentication Protocol <PAP>

Router(config-if)#ppp authentication pap

Router(config-if)#no shutdown

%LINK-5-CHANGED: Interface Serial2/0, changed state to down

Router(config-if)#exit

Router(config)#interface fastEthernet 0/0

Router(config-if)#ip address 172.16.1.1 255.255.255.0

Router(config-if)#

%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up

Router(config)#username R2 password 0 123

Router(config)#

Router(config)#interface serial 3/0

Router(config-if)#ip address 4.4.4.1 255.255.255.252

Router(config-if)#encapsulation p

Router(config-if)#ppp authentication cha

Router(config-if)#ppp authentication chap

Router(config-if)#no shut

%LINK-5-CHANGED: Interface Serial3/0, changed state to down

Router(config)#username R3 password 0 456

Router(config)#hostname R1

R1(config)#

R2的配置步骤：

         --- System Configuration Dialog ---

R2(config)#hostname R2

R2(config)#username R1 password 0 123

R2(config)#interface serial 2/0

R2(config-if)#encapsulation ?

R2(config-if)#encapsulation ppp

R2(config-if)#ip address 3.3.3.2 255.255.255.252

R2(config-if)#no shut

R2(config-if)#

%LINK-5-CHANGED: Interface Serial2/0, changed state to up

R2(config-if)#ppp pap sent-username R2 password 0 123

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial2/0, changed state to up

R2(config-if)#no shutdown

R2(config-if)#exit

R2(config)#interface fastEthernet 0/0

R2(config-if)#ip address 192.168.1.1 255.255.255.0

R2(config)#

R3的配置

Router(config)#host

Router(config)#hostname R3

R3(config)#interface s3/0

R3(config-if)#ip address 4.4.4.2 255.255.255.252

R3(config-if)#encapsulation ?

R3(config-if)#encapsulation ppp ?

  <cr>

R3(config-if)#encapsulation ppp

R3(config-if)#ppp ?

R3(config-if)#ppp authentication ?

R3(config-if)#ppp authentication chap ?

  pap  Password Authentication Protocol <PAP>

R3(config-if)#ppp authentication chap

R3(config-if)#no shutdown

R3(config-if)#

%LINK-5-CHANGED: Interface Serial3/0, changed state to up

R3(config-if)#exit

R3(config)#

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial3/0, changed state to up

R3(config)#username R1 password 0 456

R3(config)#interface fastEthernet 0/0

R3(config-if)#ip address 192.168.2.1 255.255.255.0

R3(config-if)#no shut

三、配置RIP协议实现全网互通

R1的配置：

R1(config)#router rip

R1(config-router)#version ?

  <1-2>  version

R1(config-router)#version 2

R1(config-router)#no auto-summary

R1(config-router)#net

R1(config-router)#network 3.3.3.0

R1(config-router)#network 4.4.4.0

R1(config-router)#network 172.16.1.0

R1(config-router)#

R2的配置：

R2(config)#router rip

R2(config-router)#?

  auto-summary         Enter Address Family command mode

  default-information  Control distribution of default information

  distance             Define an administrative distance

  exit                 Exit from routing protocol configuration mode

  network              Enable routing on an IP network

  no                   Negate a command or set its defaults

  passive-interface    Suppress routing updates on an interface

  redistribute         Redistribute information from another routing protocol

  timers               Adjust routing timers

  version              Set routing protocol version

R2(config-router)#version ?

R2(config-router)#version 2

R2(config-router)#no auto-summary

R2(config-router)#netwo

R2(config-router)#network 3.3.3.0

R2(config-router)#network 192.168.1.0

R2(config-router)#

R3的配置：

R3(config)#router rip

R3(config-router)#version 2

R3(config-router)#no auto-summary

R3(config-router)#network 4.4.4.0

R3(config-router)#network 192.168.2.0

R3(config-router)#

四：检查试验配置：

R1的试验配置：

R1#show ip route

Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP

       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

       E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP

       i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area

       * - candidate default, U - per-user static route, o - ODR

       P - periodic downloaded static route

Gateway of last resort is not set

     3.0.0.0/30 is subnetted, 1 subnets

C       3.3.3.0 is directly connected, Serial2/0

     4.0.0.0/30 is subnetted, 1 subnets

C       4.4.4.0 is directly connected, Serial3/0

     172.16.0.0/24 is subnetted, 1 subnets

C       172.16.1.0 is directly connected, FastEthernet0/0

R    192.168.1.0/24 [120/1] via 3.3.3.2, 00:00:24, Serial2/0

R    192.168.2.0/24 [120/1] via 4.4.4.2, 00:00:17, Serial3/0

R1#show ip interface brief

Interface              IP-Address      OK? Method Status                Protocol

FastEthernet0/0        172.16.1.1      YES manual up                    up

FastEthernet1/0        unassigned      YES manual administratively down down

Serial2/0              3.3.3.1         YES manual up                    up

Serial3/0              4.4.4.1         YES manual up                    up

FastEthernet4/0        unassigned      YES manual administratively down down

FastEthernet5/0        unassigned      YES manual administratively down down

R2的试验配置：

R2#show ip route

R       4.4.4.0 [120/1] via 3.3.3.1, 00:00:18, Serial2/0

R       172.16.1.0 [120/1] via 3.3.3.1, 00:00:18, Serial2/0

C    192.168.1.0/24 is directly connected, FastEthernet0/0

R    192.168.2.0/24 [120/2] via 3.3.3.1, 00:00:18, Serial2/0

R2#show ip interface brief

FastEthernet0/0        192.168.1.1     YES manual up                    up

Serial2/0              3.3.3.2         YES manual up                    up

Serial3/0              unassigned      YES manual administratively down down

R3的试验配置：

R3#show ip route

R       3.3.3.0 [120/1] via 4.4.4.1, 00:00:00, Serial3/0

R       172.16.1.0 [120/1] via 4.4.4.1, 00:00:00, Serial3/0

R    192.168.1.0/24 [120/2] via 4.4.4.1, 00:00:00, Serial3/0

C    192.168.2.0/24 is directly connected, FastEthernet0/0

R3#show ip interface brief

FastEthernet0/0        192.168.2.1     YES manual up                    up

Serial2/0              unassigned      YES manual administratively down down

Serial3/0              4.4.4.2         YES manual up                    up

五：在客户端上测试

在PC1上测试：

Packet Tracer PC Command Line 1.0

PC>ipconfig

IP Address......................: 172.16.1.2

Subnet Mask.....................: 255.255.255.0

Default Gateway.................: 172.16.1.1

PC>ping 192.168.1.2

Pinging 192.168.1.2 with 32 bytes of data:

Reply from 192.168.1.2: bytes=32 time=94ms TTL=126

Reply from 192.168.1.2: bytes=32 time=62ms TTL=126

Ping statistics for 192.168.1.2:

    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

    Minimum = 62ms, Maximum = 94ms, Average = 86ms

在PC2上测试：

IP Address......................: 192.168.1.2

Default Gateway.................: 192.168.1.1

PC>ping 172.16.1.2

Pinging 172.16.1.2 with 32 bytes of data:

Reply from 172.16.1.2: bytes=32 time=94ms TTL=126

Reply from 172.16.1.2: bytes=32 time=78ms TTL=126

Reply from 172.16.1.2: bytes=32 time=81ms TTL=126

Reply from 172.16.1.2: bytes=32 time=90ms TTL=126

Ping statistics for 172.16.1.2:

    Minimum = 78ms, Maximum = 94ms, Average = 85ms

Reply from 192.168.1.2: bytes=32 time=31ms TTL=128

Reply from 192.168.1.2: bytes=32 time=16ms TTL=128

Reply from 192.168.1.2: bytes=32 time=13ms TTL=128

Minimum = 13ms, Maximum = 31ms, Average = 19ms

在PC3上测试：

IP Address......................: 192.168.2.2

Default Gateway.................: 192.168.2.1

Reply from 172.16.1.2: bytes=32 time=125ms TTL=126

Reply from 172.16.1.2: bytes=32 time=63ms TTL=126

    Minimum = 63ms, Maximum = 125ms, Average = 90ms

Reply from 192.168.1.2: bytes=32 time=125ms TTL=125

    Minimum = 125ms, Maximum = 125ms, Average = 125ms

本文转自 linuxtro 51CTO博客，原文链接：http://blog.51cto.com/linuxtro/307205，如需转载请自行联系原作者