IPv6 Tunneling Flowchart 1

Yes

No

No

Yes

Send direct to IPv6 router

with destination

address set to IPv6 format

No

Send IPv6 encapsulated

packet to IPv4 router; IPv6 destination

addresses to the end node; IPv4

address set to low-order 32 bits

of end node

Yes

End node

address is

IPv4-compatible

IPv6 address

Destination

local?

IPv4 router

available?

Send direct with

destination address

set to IPv6 fromat

IPv4 router

available?

Destination

unreachable

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