实验七PPP.docx
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实验七PPP.docx
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实验七PPP
实验七:
PPP
一:
实验目标
1掌握PPP的基本配置,掌握广域网链路通信质量测试方法。
2理解PPP协商过程、PAP/CHAP认证过程,掌握PPP调试。
3掌握PPPMultilink的配置及调试。
二:
拓扑图
三:
预期结果
RT1与RT3能够相互ping通。
四:
调试
RT1上配置PPP自动获取IP地址:
RT3上配置PPP自动获取IP地址:
RT1上配置PPPmultilink:
RT3上配置PPPmultilink:
PPPPAP双向认证:
RT1中配置:
RT3中配置:
PPPCHAP双向认证配置:
RT3:
五:
测试
链路捆绑中RT3的se0/0口被shutdown:
PAP双向认证:
RT1pingRT3PPPPAP双向认证成功:
CHAP双向认证:
RT1中debugpppauthentication:
六:
总结与原理分析
CHAP认证协商过程:
R1以CHAP验证R3(三次握手):
首先R1发送Challenge给R3(R1发送认证用户名、随机字符串、认证序列号);然后R3发送自己的用户名、认证序列号以及哈希后的密码给R1(R1根据R3发送的主机名查找密码,再将查找到的密码、随机数与认证ID做hash算法,得出一个密值,将其与R3发送过来的hash值对比,如果相同则通过,不同则不通过);最后R1返回结果。
PAP认证过程:
RT3(被认证方)发起认证,发送用户名和密码,RT1根据自身数据库对RT3发来的账号密码进行对比,相同则通过,不同则不通过。
七:
配置showrun
PAP双向认证:
RT1:
!
version12.3
servicetimestampsdebugdatetimemsec
servicetimestampslogdatetimemsec
noservicepassword-encryption
!
hostnameRT1
!
boot-start-marker
boot-end-marker
!
!
noaaanew-model
!
resourcepolicy
!
memory-sizeiomem5
ipsubnet-zero
!
!
ipcef
noipdhcpusevrfconnected
!
!
noipdomainlookup
noftp-serverwrite-enable
!
usernamebluefox1password0111
!
!
!
interfaceMultilink1
ipaddress10.10.13.1255.255.255.252
peerdefaultipaddress10.10.13.2
pppauthenticationpap
ppppapsent-usernamebluefox2password0222
pppmultilink
pppmultilinkgroup1
!
interfaceSerial0/0
noipaddress
encapsulationppp
serialrestart-delay0
nodce-terminal-timing-enable
pppmultilinkgroup1
!
interfaceSerial0/1
noipaddress
encapsulationppp
serialrestart-delay0
nodce-terminal-timing-enable
pppmultilinkgroup1
!
interfaceSerial0/2
noipaddress
shutdown
serialrestart-delay0
nodce-terminal-timing-enable
!
interfaceSerial0/3
noipaddress
shutdown
serialrestart-delay0
nodce-terminal-timing-enable
!
iphttpserver
ipclassless
!
!
!
!
!
control-plane
!
!
linecon0
exec-timeout00
loggingsynchronous
lineaux0
linevty04
!
End
RT3:
!
version12.3
servicetimestampsdebugdatetimemsec
servicetimestampslogdatetimemsec
noservicepassword-encryption
!
hostnameRT3
!
boot-start-marker
boot-end-marker
!
!
noaaanew-model
!
resourcepolicy
!
memory-sizeiomem5
ipsubnet-zero
!
!
ipcef
noipdhcpusevrfconnected
!
!
noipdomainlookup
noftp-serverwrite-enable
!
usernamebluefox2password0222
!
!
!
interfaceMultilink1
ipaddressnegotiated
pppauthenticationpap
ppppapsent-usernamebluefox1password0111
pppmultilink
pppmultilinkgroup1
!
interfaceSerial0/0
noipaddress
encapsulationppp
shutdown
serialrestart-delay0
nodce-terminal-timing-enable
pppmultilinkgroup1
!
interfaceSerial0/1
noipaddress
encapsulationppp
serialrestart-delay0
nodce-terminal-timing-enable
pppmultilinkgroup1
!
interfaceSerial0/2
noipaddress
shutdown
serialrestart-delay0
nodce-terminal-timing-enable
!
interfaceSerial0/3
noipaddress
shutdown
serialrestart-delay0
nodce-terminal-timing-enable
!
iphttpserver
ipclassless
!
!
!
!
!
control-plane
!
!
linecon0
exec-timeout00
loggingsynchronous
lineaux0
linevty04
!
end
PPPCHAP双向认证:
RT1:
!
version12.3
servicetimestampsdebugdatetimemsec
servicetimestampslogdatetimemsec
noservicepassword-encryption
!
hostnameRT1
!
boot-start-marker
boot-end-marker
!
!
noaaanew-model
!
resourcepolicy
!
memory-sizeiomem5
ipsubnet-zero
!
!
ipcef
noipdhcpusevrfconnected
!
!
noipdomainlookup
noftp-serverwrite-enable
!
usernameRT3password0111
!
!
!
interfaceSerial0/0
ipaddress10.10.13.1255.255.255.0
encapsulationppp
serialrestart-delay0
nodce-terminal-timing-enable
pppauthenticationchap
pppchaphostnameRT1
!
interfaceSerial0/1
noipaddress
shutdown
serialrestart-delay0
nodce-terminal-timing-enable
!
interfaceSerial0/2
noipaddress
shutdown
serialrestart-delay0
nodce-terminal-timing-enable
!
interfaceSerial0/3
noipaddress
shutdown
serialrestart-delay0
nodce-terminal-timing-enable
!
iphttpserver
ipclassless
!
!
!
!
!
control-plane
!
!
linecon0
exec-timeout00
loggingsynchronous
lineaux0
linevty04
!
end
RT3:
!
version12.3
servicetimestampsdebugdatetimemsec
servicetimestampslogdatetimemsec
noservicepassword-encryption
!
hostnameRT3
!
boot-start-marker
boot-end-marker
!
!
noaaanew-model
!
resourcepolicy
!
memory-sizeiomem5
ipsubnet-zero
!
!
ipcef
noipdhcpusevrfconnected
!
!
noipdomainlookup
noftp-serverwrite-enable
!
usernameRT1password0111
!
!
!
interfaceSerial0/0
ipaddress10.10.13.2255.255.255.0
encapsulationppp
serialrestart-delay0
nodce-terminal-timing-enable
pppauthenticationchap
pppchaphostnameRT3
!
interfaceSerial0/1
noipaddress
shutdown
serialrestart-delay0
nodce-terminal-timing-enable
!
interfaceSerial0/2
noipaddress
shutdown
serialrestart-delay0
nodce-terminal-timing-enable
!
interfaceSerial0/3
noipaddress
shutdown
serialrestart-delay0
nodce-terminal-timing-enable
!
iphttpserver
ipclassless
!
!
!
!
!
control-plane
!
!
linecon0
exec-timeout00
loggingsynchronous
lineaux0
linevty04
!
end
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