How to set up your FortiWAN Configuring Network Interface (Network Setting)
IPv6 Prefix : The IPv6 prefix that ISP provides.
IPv6 Gateway : The IPv6 address of the default gateway.
See also
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WAN link and WAN port
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VLAN and port mapping
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Configurations for VLAN and Port Mapping
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Outbound Load Balancing and Failover (Auto Routing)
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Inbound Load Balancing and Failover (Multihoming)
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Scenarios to deploy subnets
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IPv6/IPv4 Dual Stack
Configurations for a WAN link in Brideg Mode: PPPoE
[Bridge Mode: PPPoE] is used for PPPoE WAN link (ISP provides dynamic or static IP addresses via PPPoE). In [Basic
Settings], you shall configure upstream and downstream, user name, password and service name given by ISP. Left
[IP Address] blank if you are assigned an dynamic IP address; otherwise, enter your static IP address. Select an
FortiWAN WAN port to which PPPoE ADSL Modem is connected, e.g. port1. Checks [Redial Enable] to enable redial.
As some ISPs automatically reconnect to the network within a certain time interval, [Redial Enable] will avoid
simultaneous redialing of WAN links, which properly staggers WAN redial time. In case of connecting several
DHCP/PPPoE WAN links to the same ISP, the connections might fail if they are deployed on the same physical WAN
port via VLAN because the same MAC address. Via [Clone MAC Enable] you can configure MAC address clone on
FortiWAN for this deployment.
Basic Setting
WAN Port : The physical port (network interface) on FortiWAN used to connect the WAN
link. For the deployment of multiple WAN links on one WAN port, set this field
with the same value for those WAN links. For example, select Port1 for con-
figurations of WAN link1, WAN link2 and WAN link3 for deploying the three
WAN links on WAN port1. Note: The port has to be mapped to [WAN] before-
hand in [VLAN and Port Mapping] (See "WAN link and WAN port", "VLAN and
port mapping" and "Configurations for VLAN and Port Mapping").
Up/Down Stream : The WAN link's transfer speed at which you can upload/download data to/from
the Internet e.g. 512Kbps.
Up/Down Stream Threshold : Specify upstream/downstream (Kbps) threshold for the WAN link. WAN link
with traffic that exceeds the threshold values will be considered as failed.
FortiWAN’s Auto Routing and Multihoming (See "Outbound Load Balancing
and Failover (Auto Routing)" and "Inbound Load Balancing and Failover (Multi-
homing)") use the value while balancing traffic between WAN links if the
Threshold function is enabled. Leave it blank or zero if you do not apply
threshold to the WAN link.
47 FortiWAN Handbook
Fortinet Technologies Inc.
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