No, I do not have that configured. I do not know which key I would have to configure. Provider Orange did not give any user/pass or key to me. The interesting part is, that the Cisco router accepts the DHCP-provided IP as soon as it failed once with ...
@mathieupoussin had the problem on a 1941 router IOS15. I have the problem @mathieupoussin described on a 1841 IOS 15.1(4)M12a. interface FastEthernet0/1
no ip address
duplex auto
speed auto
no cdp enable
!
interface FastEthernet0/1.832
encap...