>>> i4=IP()
>>> i4.src='10.0.1.1'            ## Tunnel Src
>>> i4.dst='10.0.2.1'            ## Tunnel Dst
>>> i6=IPv6()
>>> i6.src='2002:a00:201::1'     ## IPv6 Src, 2002:10.0.2.2::1*
>>> i6.dst='2002:a00:202::1'     ## IPv6 Dst, 2002:10.0.2.1::1*
>>> q=ICMPv6EchoRequest()
>>> p=i4/i6/q
>>> send(p)
>>> wrpcap('6to4byScapy.pcap',p) ## Paket speichern

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Connection of IPv6 Domains via IPv4 Clouds - rfc3056