FortiGate-800 and FortiGate-800F FortiOS 3.0MR4 Install Guide
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Transparent mode installation
Configuring the FortiGate unit
3
When the login prompt appears, enter the following:
get system settings
The CLI displays the status of the FortiGate unit including the management IP
address and netmask:
opmode
: transparent
manageip
: <address_ip><netmask>
You should verify the DNS server settings are correct. The DNS settings carry
over from NAT/Route mode and may not be correct for your specific Transparent
mode configuration.
To verify the DNS server settings
Enter the following commands to verify the FortiGate unit’s DNS server settings:
show system dns
The above CLI command should give you the following DNS server setting
information:
config system dns
set primary 293.44.75.21
set secondary 293.44.75.22
set fwdintf internal
end
To configure DNS server settings
Set the primary and secondary DNS server IP addresses. Enter:
config system dns
set primary <address_ip>
set secondary <address_ip>
end
Reconnecting to the web-based manager
When the FortiGate unit has switched to Transparent mode, reconnect to the
web-based manager using the new IP address. Browse to https:// followed by the
new IP address. If you connect to the management interface through a router,
make sure that you have added a default gateway for that router to the
management IP default gateway field.
Connecting the FortiGate unit to your network
When you complete the initial configuration, you can connect the FortiGate unit
between your internal network and the Internet, and connect an additional network
to the DMZ interface.
To connect the FortiGate unit running in Transparent mode
1
Connect the Internal interface to the hub or switch connected to your internal
network.
2
Connect the External interface to the network segment connected to the external
firewall or router.
