H3C Technologies H3C SecPath F1000-E - Manual (Page 190)

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• Enable IPv6 on the device. For more information, see IPv6 Basics Configuration in the IP Services
Volume.
• Configure an IPv4 or IPv6 address as required on the interface to be enabled with NAT-PT.
Enabling NAT-PT
After NAT-PT is enabled on both the IPv4 network interface and the IPv6 network interface, the device
can implement translation between IPv4 and IPv6 addresses.
Follow these steps to enable NAT-PT:
To do… Use the command… Remarks
Enter system view system-view —
Enter interface view interface interface-type interface-number —
Enable NAT-PT on the interface natpt enable
Required
Disabled by default.
Configuring a NAT-PT Prefix
Follow these steps to configure a NAT-PT prefix:
To do… Use the command… Remarks
Enter system view system-view —
Configure a NAT-PT prefix
natpt prefix natpt-prefix [ interface
interface-type interface-number [ nexthop
ipv4-address ] ]
Required
CAUTION:
•
The NAT-PT prefix must not be the same as the IPv6 address prefix of the NAT-PT enabled interface on
the IPv6 network.
• To delete a NAT-PT prefix that has been referenced by using the natpt v4bound dynamic or natpt
v6bound dynamic command, you need to cancel the referenced configuration first.
Configuring IPv4/IPv6 Address Mappings on the IPv6 Side
IPv4/IPv6 address mappings on the IPv6 side can be static or dynamic.
Configuring a static mapping on the IPv6 side
A static mapping on the IPv6 side shows the one-to-one correspondence between an IPv4 address and
an IPv6 address.
• If the source IPv6 address in a packet sent from an IPv6 host to an IPv4 host matches the static
mapping, the source IPv6 address is translated into the corresponding IPv4 address.
• If the destination IPv4 address in a packet sent from an IPv4 host to an IPv6 host matches the static
mapping, the destination IPv4 address is translated into the corresponding IPv6 address.
Follow these steps to configure a static IPv4/IPv6 address mapping on the IPv6 side: