>>> i4=IP()
>>> i4.src='10.0.1.1' ## Tunnel Src
>>> i4.dst='10.0.2.1' ## Tunnel Dst
>>> i6=IPv6()
>>> i6.src='2001:db8:1::5efe:10.0.1.1' ## IPv6 Src**
>>> i6.dst='2001:db8:1::5efe:10.0.2.1' ## IPv6 Dst**
>>> q=ICMPv6EchoRequest()
>>> p=i4/i6/q
>>> send(p)
>>> wrpcap('test_isatap.pcap', p)

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Intra-Site Automatic Tunnel Addressing Protocol - rfc5214