نحوه ساخت pptp client در روترهای سیسکو

سلام دوستان

روتر سیسکو 2921 رو به صورت pptp client تنظیم کردم و همه چیز اوکی هست و از داخل روتر پینگ 8.8.8.8 رو دارم.

ولی از توی کامپیوترها پینگ 8.8.8.8 رو ندارم

ممنون میشم اگر کسی ایراد کارم رو بگه. این کانفیگ من هست:

show interfaces dialer 0

Internet address is 172.16.3.37/32

(router to pptp server):

---------------------------------------

interface gig 000

ip address 10.96.174.225 255.255.254.0

no sh

---------------------------------------

(router to pc):

---------------------------------------

interface Gig 0/1

ip nat inside

ip address 172.21.2.1 255.255.255.0

no sh

(Pc):

---------------------------------------

172.21.2.2

255.255.255.0

172.21.2.1

--------------------------------------

Router :

-------------------------------------------------------------------------------------------------------------------

service internal

vpdn enable

vpdn-group 1

request-dialin

protocol pptp

pool-member 1

initiate-to ip 31.24.238.222

ex

interface Dialer0

ip address negotiated

encapsulation ppp

dialer pool 1

dialer-group 1

dialer idle-timeout 0

dialer string 123

dialer vpdn

dialer persistent

ppp chap hostname pptphostname

ppp chap password 0 pptppassword

ip nat outside

ex

ip route 0.0.0.0 0.0.0.0 Dialer0

ip route 31.24.238.222 255.255.255.255 10.96.174.1

dialer-list 1 protocol ip permit

ip nat inside source list 100 interface dialer 0 overload

access-list 100 permit ip any any

--------------------------------------------------------------------------------------------------------------------------

این هم کانفیگ کل روتر:

----------------------------------------------------------------------------------------------------------------------------

Router2921#show running-config

version 15.2

service config

service timestamps debug datetime msec

service timestamps log datetime msec

service password-encryption

service internal

no aaa new-model

ip cef

no ipv6 cef

multilink bundle-name authenticated

vpdn enable

vpdn-group 1

request-dialin

protocol pptp

pool-member 1

initiate-to ip 31.24.238.222

license udi pid CISCO2921/K9 sn FGL172711NU

hw-module sm 1

interface Embedded-Service-Engine0/0

no ip address

shutdown

interface GigabitEthernet0/0

interface GigabitEthernet0/1

ip address 172.21.2.1 255.255.255.0

ip nat inside

ip virtual-reassembly in

duplex auto

speed auto

interface GigabitEthernet0/2

no ip address

shutdown

duplex auto

speed auto

interface GigabitEthernet000

ip address 10.96.175.30 255.255.254.0

ip virtual-reassembly in

interface GigabitEthernet010

interface GigabitEthernet1/0

no ip address

shutdown

interface GigabitEthernet1/1

description Internal switch interface connected to Service Module

no ip address

interface Vlan1

no ip address

interface Dialer1

ip address negotiated

ip access-group 101 in

ip access-group 101 out

ip nat outside

ip virtual-reassembly in

encapsulation ppp

dialer pool 1

dialer remote-name david

dialer idle-timeout 0

dialer string 1234

dialer persistent

dialer vpdn

dialer-group 1

ppp pfc local request

ppp pfc remote apply

ppp eap refuse

ppp chap hostname pptpusername

ppp chap password 7 0000335F550953535A711C1A59

ppp ms-chap refuse

ppp pap refuse

no cdp enable

ip forward-protocol nd

no ip http server

no ip http secure-server

ip nat inside source list 100 interface Dialer1 overload

ip route 0.0.0.0 0.0.0.0 Dialer1

ip route 31.24.238.0 255.255.255.0 10.96.174.1

access-list 100 permit ip any any

access-list 101 permit ip any any

dialer-list 1 protocol ip permit

--------------------------------------------------------------------------------------------------------------------

اینم خروجی نت :

Router2921#show ip nat translations

Pro Inside global Inside local Outside local Outside global

icmp 172.16.3.234:1 172.21.2.2:1 4.2.2.4:1 4.2.2.4:1

udp 172.16.3.234:51517 172.21.2.2:51517 4.2.2.4:53 4.2.2.4:53

udp 172.16.3.234:52168 172.21.2.2:52168 4.2.2.4:53 4.2.2.4:53

udp 172.16.3.234:52579 172.21.2.2:52579 4.2.2.4:53 4.2.2.4:53

tcp 172.16.3.234:58283 172.21.2.2:58283 2.22.144.112:80 2.22.144.112:80