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Adding DNS server IP addresses Network configuration
Deleting virtual domains
You must remove all VLAN subinterfaces and zones that have been added to the
virtual domain before you can delete the virtual domain. To remove VLAN
subinterfaces and zones you must remove all firewall policies and firewall addresses
for the VLAN subinterfaces and zones. You can only delete virtual domains that have
the Delete icon beside them in the zone list.
Delete the virtual domain components in the following order:
• firewall policies
• source and destination addresses
• VLAN subinterfaces
• zones
• the virtual domain
Adding DNS server IP addresses
Several FortiGate functions, including sending email alerts and URL blocking, use
DNS. Use the following procedure to add the IP addresses of the DNS servers that
your FortiGate unit can connect to. DNS server IP addresses are usually supplied by
your ISP.
To add DNS server IP addresses
1 Go to System > Network > DNS.
2 Change the primary and secondary DNS server IP addresses as required.
3 Select Apply to save the changes.
Configuring routing
This section describes how to configure FortiGate routing. You can configure routing
to add static routes from the FortiGate unit to local routers. Using policy routing you
can increase the flexibility of FortiGate routing to support more advanced routing
functions.
You can also use routing to create a multiple Internet connection configuration that
supports redundancy and load sharing between the two Internet connections.
This section describes:
• Adding a default route
• Adding destination-based routes to the routing table
• Adding routes in Transparent mode
• Configuring the routing table
• Policy routing