How to update the dynamtic ipv4 endpoint with a cisco 2600 router

[helijia21]

HI, how can i update  the dynamtic ipv4 endpoint with a cisco 2600 router. Cause my link is a pppoe dialer

I would like to have my router update the ipv4 endpoint automaticly when it change.Here is my commands

ip ddns update method he-ipv6
HTTP
  add https://userid:mypassword@ipv4.tunnelbroker.net/ipv4_end.php?tid=mytunnelid
interval maximum 0 0 0 5
interval minimum 0 0 0 5

interface Dialer0
mtu 1492
ip ddns update he-ipv6
ip address negotiated
ip nat outside
ip virtual-reassembly
encapsulation ppp
ip tcp adjust-mss 1452
dialer pool 1
dialer idle-timeout 0
dialer persistent


but it doent seem work.... Thanks for any advice and clarification. By the way , the tunnel is up now.But when the ipv4 endpoint changes,i have to change it manually through the website. :'(

[helijia21]

running  debug ip ddns update on the cisco shows nothing happen.