Web-based Configuration Guide Network Settings
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4. NAT66
IPv6-to-IPv6 Network Address Translation (NAT66) is the process of converting the IPv6
address in an IPv6 packet header to another IPv6 address. NAT66 prefix translation is an
implementation of NAT66. It replaces the IPv6 address prefix in the packet header with
another IPv6 address prefix to achieve IPv6 address translation. NAT66 can realize
mutual access between an intranet and Internet.
4.17.3 IPv6 Address Assignment Methods
Manual configuration: The IPv6 address/prefix and other network configuration
parameters are manually configured.
Stateless Address Autoconfiguration (SLAAC): The link local address is generated
based on the interface ID, and then the local address is automatically configured
based on the prefix information contained in the route advertisement packet.
Stateful address autoconfiguration, that is, DHCPv6: DHCPv6 is divided into the
following two types:
○ DHCPv6 autoconfiguration: The DHCPv6 server automatically configures the IPv6
address/prefix and other network configuration parameters.
○ DHCPv6 Prefix Delegation (PD): The lower-layer network device sends a prefix
allocation application to the upper-layer network device. The upper-layer network
device assigns an appropriate address prefix to the lower-layer device. The lower-
layer device automatically subdivides the obtained prefix (generally less than 64
bits in length) into subnet segments with 64-bit prefix length, and then advertises
the subdivided address prefixes to the user link directly connected to the IPv6 host
through the route to realize automatic address configuration of the host.
4.17.4 Enabling IPv6
In Local Device mode, choose Network > IPv6 Address.
Click Enable, and then click OK in the dialog box that appears to enable IPv6.
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