EW50 Industrial LTE Cellular Gateway
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In the above diagram, the 6to4 means there is no need to set gateway address "automatic" tunneling solution.
The relay server, as defined in RFC 3068 has included segments 192.88.99.0/24 used as 6to4 relay of any-cast
address to complete 6in4 setting.
6in4
6in4 is an Internet transition mechanism for Internet IPv4 to IPv6 migration. 6in4 uses tunneling to
encapsulate IPv6 traffic over explicitly-configured IPv4 links. As defined in RFC 4213, the 6in4 traffic is sent
over the IPv4 Internet inside IPv4 packets whose IP headers have the IP protocol number set to 41. This
protocol number is specifically designated for IPv6 encapsulation.
In the above diagram, the 6in4 usually needs to register to a 6in4 tunnel service, known as Tunnel Broker, in
order to be used. It also needs end point global IPv4 address as 114.39.16.49 to complete 6in4 setting.
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General