hello, Kohler, I am developping IPv6 expriment with Click. You reply email that I can create IPv6 packet by checking out UDPIP6Encap, can you introduce that in details. Where I go to check out? Is there any other resource that help? thx. 2011-03-03 Justok Jiang|蒋小可 -----心晴,则天空常晴----- +-----心勤,则天道酬勤-----+