Configuring Network Interface (Network Setting) How to set up your FortiWAN
Basic Subnet : Basic Subnet is the configuration for the subnets deployed on a WAN link. You decide
the subnet type (or ignore it) according to your various requirements and the network
ISP provides.
Static Routing Subnet : If there are subnets, which are called static routing subnets, connected to a basic sub-
net, it’s necessary to configure the static routing for external accessing to the static
routing subnets.
See also
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WAN link and WAN port
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Configurations for a WAN link in Routing Mode
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Configurations for a WAN link in Bridge Mode: One Static IP
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Configurations for a WAN link in Bridge Mode: Multiple Static IP
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Configurations for a WAN link in Brideg Mode: PPPoE
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Configurations for a WAN link in Bridge Mode: DHCP
Configurations for a WAN link in Routing Mode
Basic Setting
Select [Routing Mode] from [WAN Type], and configure parameters in [Basic Settings]. Note that localhosts of
FortiWAN’s WAN and DMZ ports belong to the basic subnet in Routing Mode; therefore at least one basic subnet is
required. For the reason, [Basic Setting] contains no fields for setting IP(s) on Localhost and Netmask, which are the
fields in [Basic Subnet].
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.
FortiWAN Handbook
Fortinet Technologies Inc.
36
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