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Configuring an IPv4-to-IPv6 destination address
translation policy
AFT compares an IPv4 packet with IPv4-to-IPv6 destination address translation policies in the
following order:
1. AFT mappings for IPv6 internal servers.
2. IPv6-to-IPv4 source address static mappings.
3. IPv4-to-IPv6 destination address dynamic translation policies.
To configure an IPv4-to-IPv6 destination address translation policy:
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Configure an
IPv4-to-IPv6
destination address
translation policy.
• Configure an AFT mapping for an IPv6 internal
server:
aft v6server protocol protocol-type
ipv4-destination-address ipv4-port-number
[ vpn-instance vpn-instance-name4 ]
ipv6-destination-address ipv6-port-number
[ vpn-instance vpn-instance-name6 ]
• Configure an IPv6-to-IPv4 source address static
mapping:
aft v6tov4 source ipv6-address [ vpn-instance
vpn-instance-name6 ] ipv4-address
[ vpn-instance vpn-instance-name4 ]
• Configure an IPv4-to-IPv6 destination address
dynamic translation policy:
aft v4tov6 destination acl { number
acl-number | name acl-name } prefix-ivi
prefix-ivi [ vpn-instance vpn-instance-name6 ]
By default, no
IPv4-to-IPv6
destination address
translation policy
exists.
Configuring an IPv4-to-IPv6 source address
translation policy
AFT compares an IPv4 packet with IPv4-to-IPv6 source address translation policies in the following
order:
1. IPv4-to-IPv6 source address static mappings.
2. IPv4-to-IPv6 source address dynamic translation policies.
3. NAT64 prefixes.
For a packet that does not match a mapping or policy, AFT uses the first NAT64 prefix to
translate the source IPv4 address.
To configure an IPv4-to-IPv6 source address translation policy:
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Configure an
IPv4-to-IPv6 source
address translation
policy.
• Configure an IPv4-to-IPv6 source address static
mapping:
aft v4tov6 source ipv4-address [ vpn-instance
vpn-instance-name4 ] ipv6-address
[ vpn-instance vpn-instance-name6 ]
By default, no
IPv4-to-IPv6 source
address translation
policy exists.