IPv6 config for cisco

! CISCO (thanks to Vladimir Kotal)

! Replace 'FastEtherner1/0' with your network interface to Internet
! Replace '1.2.3.4' with PoP's IPv4 address
! Replace '3ffe:80ee:1234::1' with any IPv6 address from the range
! you've got from XS26
ipv6 unicast-routing

interface Tunnel0
ipv6 enable
ipv6 unnumbered FastEthernet1/0
tunnel source FastEthernet1/0
tunnel destination 1.2.3.4
tunnel mode ipv6ip
!
interface FastEthernet1/0
ipv6 enable
ipv6 address 3ffe:80ee:1234::1/128
!
ipv6 route 2000::/3 Tunnel0