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New Member

no internet connection

dear all

I cannot connect to internet also status and protocol all up and dsl  test successful when using  cisco configuration professional can you help?


my configuration as below

sho run
Building configuration...

Current configuration : 3722 bytes
version 12.4
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
hostname Router
logging buffered 4096

no aaa new-model
crypto pki trustpoint TP-self-signed-4161185151
 enrollment selfsigned
 subject-name cn=IOS-Self-Signed-Certificate-4161185151
 revocation-check none
 rsakeypair TP-self-signed-4161185151

ip cef
no ip dhcp use vrf connected
ip dhcp excluded-address
ip dhcp pool vlan1
   import all
ip name-server
ip name-server
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
multilink bundle-name authenticated
no policy-manager policy enable
vtp domain SKYBB
vtp mode transparent

 log config

interface ATM0
 no ip address
 ip policy route-map voip
 atm vc-per-vp 64
 no atm ilmi-keepalive
 pvc 0/38 
  encapsulation aal5mux ppp dialer
  dialer pool-member 1
 dsl operating-mode auto 
interface FastEthernet0
interface FastEthernet1
interface FastEthernet2
interface FastEthernet3
interface Dot11Radio0
 no ip address
 speed basic-1.0 basic-2.0 basic-5.5 6.0 9.0 basic-11.0 12.0 18.0 24.0 36.0 48.0 54.0
 station-role root
interface Vlan1
 ip address
 ip helper-address
 ip nat inside
 ip virtual-reassembly
interface Dialer0
 ip address negotiated
 ip nat outside
 ip virtual-reassembly
 encapsulation ppp
 dialer pool 1
 dialer-group 1
 no cdp enable
 ppp authentication chap callin
 ppp chap hostname 7c4ca5c7804b4@skydsl
 ppp chap password 0 my password
 ppp pap sent-username 7c4ca5c784b4@skyds password 0 my password
 ppp ipcp dns request
ip forward-protocol nd
ip route Dialer0
ip http server
ip http secure-server
access-list 1 permit
dialer-list 1 protocol ip permit
line con 0
 logging synchronous
 no modem enable
line aux 0
line vty 0 4
 logging synchronous
 no login
scheduler max-task-time 5000

IP addressEasy IP

Test Activity Summary 

Checking interface status...Up
Checking for DNS settings...Successful
Checking interface IP address..Successful
Checking exit interface...Successful
Pinging to destination host...Successful



New Member

Is the  ppp pap sent-username

Is the  ppp pap sent-username correct? Didn't you left an 'l' letter from the end of the username?

New Member

Yes it was wrong. I corrected

Yes it was wrong. I corrected but still same problem.

any other suggestion please ?


New Member

This discussion has been

This discussion has been reposted from Cisco User Groups to the Firewalling community.

Cisco Employee

Could you please type the

Could you please type the following commands in the CLI:


 ip access-list extended any
  permit ip any any
 ip nat inside source list any interface Dialer0


I believe you are missing the NAT statement, thats why you are able to ping from the router itself but not from any host behind it.




New Member

Thank you jponcedo  very much

Thank you jponcedo  very much ,it is working know

i spend a lot of time try to make it work so you saved my life to make work .

really i appreciate your help and the other.


Kind regards