Am I missing something ?

Where do I enter the IPv4 endpoint to build a 6to4 tunnel ?

Up to now I've got a HE.net 6to4 on a Cisco router:

!
interface tunnel0
 description HE.net IPv6 Tunnel
 no ip address
 ipv6 enable
 ipv6 address 2001:465:1c34:a6::2/64
 tunnel source 233.174.126.228
 tunnel destination 216.66.84.46
 tunnel mode ipv6ip
!
interface fastethernet0/0
 description v6LAN
 no ip address
 ipv6 enable
 ipv6 address 2001:465:d1ae::1/48
!
ipv6 route ::/0 tunnel0
!


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