I tested ping, trace route and browsing over Teredo... and it work! C:\Users\huitema>tracert /6 www.ietf.org Tracing route to www.ietf.org [2610:a0:c779:b::d1ad:35b4] over a maximum of 30 hops: 1 153 ms 82 ms 83 ms iad0-stf.hotnic.net [2001:4810:0:100::3] 2 84 ms 83 ms 84 ms iad0-b1-ge0.hotnic.net [2001:4810:0:100::2] 3 85 ms 85 ms 87 ms equinix6-was.ip.tiscali.net [2001:504:0:2::3257: 1] 4 97 ms 85 ms 84 ms equi6ix-ash.ipv6.us.occaid.net [2001:504:0:2:0:3 :71:1] 5 92 ms 92 ms 90 ms unassigned.in6.twdx.net [2001:4830:e6:d::2] 6 * * * Request timed out. 7 91 ms 89 ms 88 ms www.ietf.ORG [2610:a0:c779:b::d1ad:35b4] Trace complete. -- Christian Huitema _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf