NAT Optional Services
Translated :
Specify manually the IPv4 address or a range of IPv4 addresses that is assigned to
the localhost of the specified WAN link. Source IP address of the packets that match
the rule would be translated to the IP address specified here.
The first IPv4 address assigned to the localhost of the WAN link automatically
displays in the drop-down menu for options. If multiple IPv4 addresses are assigned
to the WAN link's localhost, you can set any of them manually by selecting the
options "IPv4 Address" and "IPv4 Range".
Select No NAT if no translation is needed.
The option [Dynamic IP] will be available while a Dynamic WAN link (Bridge Mode:
PPPoE and Bridge Mode: DHCP) is applied.
L : Check to enable logging. Whenever the rule is matched, the system will record the event
to the log file.
IPv6 NAT Rules
Customized rules for IPv6-to-IPv6 NAT on a specified WAN link (select from the drop-down menu WAN above).
E : Enable the NAT rule or not.
When : The predefined time periods during which the rules will apply. Options are Busy, Idle, All-
Times (See "Busyhour Settings").
Source :
The packets sent from the source will be matched (See "Using the web UI"). Note: The
source IPv6 to be translated must be the IPv6 address assigned to the LAN or DMZ.
Destination :
The packets sent to the destination will be matched (See "Using the web UI").
Service : The packets with the service port number to which users would like NAT to apply. It can be
the TCP/UDP port, or Predefined service groups from [System]->[Service Grouping] (See
"Using the web UI").
Translated :
Specify manually the IPv6 address or a range of IPv6 addresses that is assigned to
the localhost of the specified WAN link. Source IP address of the packets that match
the rule would be translated to the IP address specified here.
The first IPv6 address assigned to the localhost of the WAN link automatically
displays in the drop-down menu for options. If multiple IPv6 addresses are assigned
to the WAN link's localhost, you can set any of them manually by selecting the
options "IPv6 Address" and "IPv6 Range".
Select No NAT if no translation is needed.
The option [Dynamic IP] will be available while a Dynamic WAN link (Bridge Mode:
PPPoE) is applied. Bridge Mode: DHCP does not support IPv6/IPv4 dual stack.
Note that this field must be an IPv6 address obtained upon public DMZ subnet and
with 64-bit or lower prefix length.
FortiWAN Handbook
Fortinet Technologies Inc.
221
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