Using Sonera 6rd IPv6 with Cisco IOS router

Sonera recently started offering 6rd tunnels to their customers in Finland. Based on this Comcast example it was easy to get Sonera 6rd up with Cisco 892 running IOS 15.5(1)T.

Config:

ipv6 general-prefix Sonera6RD 6rd Tunnel6

ipv6 unicast-routing

ipv6 cef

!
interface Tunnel6

   description Sonera 6RD IPv6 tunnel

   no ip address

   no ip redirects

   ipv6 enable

   tunnel source Gigabit0

   tunnel mode ipv6ip 6rd

   tunnel 6rd prefix 2001:2003::/32

   tunnel 6rd br 80.221.111.254

!

interface Vlan1

   description Inside

   ipv6 address Sonera6RD ::/64 eui-64

   ipv6 enable

   no autostate

!

ipv6 route ::/0 Tunnel6 2001:2003:50DD:6FFE::

Traceroute to google.com:

ratakisko# traceroute 2a00:1450:4010:c07::8a

Type escape sequence to abort.

Tracing the route to 2A00:1450:4010:C07::8A

  1 2001:2003:50DD:6FFE::1 8 msec 12 msec 12 msec

  2  *  *  * 

  3  *  *  * 

  4 2001:2000:6018::1412:818:4022 12 msec 8 msec 12 msec

  5 2001:2000:3080:C1B::1 20 msec 8 msec 12 msec

  6 2001:2000:3080:A94::1 20 msec 20 msec 20 msec

  7 2001:2000:3080:A94::2 20 msec 16 msec 16 msec

  8 2001:4860::1:0:26EC 20 msec 20 msec

    2001:4860::1:0:26EB 16 msec

  9 2001:4860::8:0:4FC9 20 msec

    2001:4860::8:0:4FC8 20 msec 16 msec

 10 2001:4860::8:0:59DA 28 msec 28 msec

    2001:4860::8:0:63F0 32 msec

 11 2001:4860::2:0:5F07 28 msec 28 msec 28 msec

 12  *  *  * 

 13 2A00:1450:4010:C07::8A 28 msec 28 msec 32 msec