16-04-2021

Fortinet Port Devices Driver

How to : Configure FortiGate to Use USB 3G Modem Broadband

Fortinet Device Detection
Fortinet Firewall Models
Fortinet Port Devices Driver Updater
Fortinet Port Devices Driver Device
Fortinet Port Devices Driver
Fortinet Routers

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Hi All,

In order to get your USB 3G modem to works with FortiGate firewall, you have to add the modem ID manually into the firewall modem setting. This setting was tested on FortiGate 60D using firmware 5.2.11, 5.4.5 & 5.6.2 with Huawei E1692 USB 3G modem from Maxis Broadband. Follow all steps as below;

Connect your usb modem into FortiGate USB port.
If the modem menu not available, navigate to CLI and type

#config system modem
#set status enable
#end

Refresh browser and and you will see modem option under Network > Modem
From CLI type as below to collect USB modem identification

# fnsysctl cat /proc/bus/usb/device

…

T: Bus=01 Lev=02 Prnt=02 Port=01 Cnt=01 Dev#= 5 Spd=480 MxCh= 0

Fortinet Device Detection

D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1

P: Vendor=12d1 ProdID=140c Rev= 0.00

S: Manufacturer=ZTE,Incorporated

S: Product=ZTE WCDMA Technologies MSM

S: SerialNumber=P671A1ZTED010000

C:* #Ifs= 5 Cfg#= 1 Atr=e0 MxPw r=500mA

Fortinet Firewall Models

I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=serial

Fortinet Port Devices Driver Updater

E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms

E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms

…

Fortinet Port Devices Driver Device

Identify ProdID and VendorID for the USB modem devices and type command as below

#config system 3g-modem custom
#edit 1
#set vendor “huawei”
#set model “E1692/E303H”
#set vendor-id 12d1
#set product-id 140c
#next
#end

Configure modem setting in firewall as below

#config sys modem
#set status enable
#set auto-dial enable
#set phone1 “*99#”
#set username1 “maxis”
#set passwd1 ENC KK6nvmigMJQsDNe6cgISVM7I7FhvSVsQo1OTZJ0W2ZxeJcWHd1waV7X0BpAfnAFXAIKGfJWi17jaMuf/9OxYFNgq3WicyhZNvI1NFpI9XCWRqqTuZkKaGge3yvSFZcw8mQ8JXZc96pE224ObcGPh+qafWDn6+VZDEqEF9Dy06jtWNOL0EdQ9Sa6q4NJtOEZvvpCLrw
#end

This article summarizes MTU sizes and jumbo frames support on FortiGate devices.

Fortinet Port Devices Driver

Jumbo frames are packets that are larger than the standard 1500 maximum transmission unit (MTU) size. Common maximum sizes for jumbo frames include 9000 and 16110 bytes. Jumbo frames increase data transfer speeds by carrying more data per frame, reducing the overhead from headers. All routes that carry jumbo frames must have network devices that all support jumbo frames. Otherwise, the frames will be dropped.
Starting with FortiOS 3.0 MR2, the Fast-Ethernet (100Mbit) and Gigabit-Ethernet (1000Mbit) interfaces of the FortiGate models 300A and upper support jumbo frames with the following details.

Driver, interface, or module name	Jumbo Frame support	Maximum MTU and FortiGate model examples
FA2/NP1	No	5001FA2 (port 1 and 2), 5005FA2 (ports 7 and 8), 1000AFA2 (port A1 and A2), 3600A (port 9 and 10), 3810A (port 9 and 10).
NP2 based interfaces	Yes, since FortiOS v4.0 MR1	8982 bytes on models 310B, 620B, ADM-FB8, ASM-FB4, RTM-XB2, modules.
TG3 based interfaces	Platform dependent	1500 bytes on models 620B, 110C, 111C. 9000 bytes on other platforms with tg3.
e1000 interfaces	Yes	9126 bytes on models 310B, 310B-DC, 5005, 5001A, 5005FA2. 16110 bytes on all other models.
NP4 based interfaces	Yes	9216 bytes - ADM-XD4 / RTM-XD2.
ADM-XE2 and ASM-CE4	Yes	9216 bytes.
FortiController-5208 interfaces	Yes	8900 bytes.
FortiController-5103B, FortiController-5903C, FortiController-5913C interfaces	Yes	9000 bytes.
5003A	Yes	16379 bytes on all interfaces except the Management port (1500 bytes).

Fortinet Routers

See also the related article at the end of this page 'How do I adjust maximum transmission unit value?' or the FortiGate Administration guide available at http://docs.fortinet.com