Cisco 1721 WIC1-ADSL issue

[HTY]

Hi,
I have successfully configured my cisco 1721 router with 1 WIC1-ADSL to connect to the internet.
The problem is that the router takes at least 20 minutes to connect to the internet after a router reload.
Lately, the router doesn't connect at all and the ATM0 interface isn't coming up, in "sh ip int br" atm0 is "down" or negotiating. a "shut" "no shut" to the interface doesn"t solve the problem.
with a "debug atm event" i see the following message always repeating:
"open failed: Error in early non-CRC message or in fir
st CRC-covered message".
I tried to connect a netgear router to test the line and to be sure that the problem isn't coming from the isp, the netgear connects to internet in few seconds!
Is there a keepalive timer that i have to paremeter on the cisco 1721 to connect instantly to internet?
below is the configuration of the router, I want to precise some facts:
- No HW with the router or the ADSL WIC.
- No firmware or IOS bug (already changed the IOS several times).
- No real problem with the config because it has functionned earlier (even if it's not optimized.
- No authentication problem (username and password didn't change and work fine with the netgear router).
- No problem in the ISP side, I have already checked the line and as i said it works fine with the netgear.

version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Router
!
boot-start-marker
boot-end-marker
!
logging buffered 4096 debugging
enable secret 5 xxxx
enable password xxxx
!
mmi polling-interval 60
no mmi auto-configure
no mmi pvc
mmi snmp-timeout 180
aaa new-model
!
!
aaa authorization network xxxx local
aaa session-id common
ip subnet-zero
ip cef
!
!
!
!
ip ids po max-events 100
ip domain lookup source-interface Dialer0
vpdn-group group
!
no ftp-server write-enable
!
!
!
!
!
!

interface ATM0
no ip address
no atm ilmi-keepalive
dsl operating-mode auto
pvc 8/35
oam-pvc manage
encapsulation aal5mux ppp dialer
dialer pool-member 1
!
!
interface FastEthernet0
ip address 192.168.0.6 255.255.255.0
ip nat inside
ip virtual-reassembly
speed auto
!

interface Dialer0
ip address negotiated
ip nat outside
ip virtual-reassembly
encapsulation ppp
dialer pool 1
dialer-group 1
ppp authentication chap callin
ppp chap hostname xxxxxx
ppp chap password 0 xxxxxx
ppp ipcp dns request
crypto map dynmap
!

!
ip local pool pool 192.168.1.20 192.168.1.25
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer0
no ip http server
no ip http secure-server
ip nat inside source route-map nonat interface Dialer0 overload
!
!
access-list 1 permit any
!
!
control-plane
!
!
line con 0
line aux 0
line vty 0 4
password xxxxxx
!
end

thanks for your help or ideas...

HTY

 

[JOAMON]

What about the authentication method......is it possible it might be PAP instead of CHAP?

 

[ADB100]

There doesn't appear to be a dialer-group entry in the global config; this is needed for the dialer interface to come up. You have a reference to dialer-list 1, but no dialer-group. Add the follwing to global config:

dialer-group 1 protocol ip permit

Good luck

Andy

 

[lambent]

or is it a "dialer-list 1 protocol ip permit"? Anyway that's the dialer-list global configuration. Add this and try again.

 

[ADB100]

Yep, sorry Dialer-list in global config not dialer-group. Dialer-group goes on the dialer interface.

Andy

 

[HTY]

Thanks for your help, I will check this tomorrow and keep you informed!


HTY

 

[7willie3]

did you find a solution? I am having the exact same problem.

 

[HTY]

I didn't have the chance tio test it yet, I will be able to this thursday night

HTY