Hello list,

I wanted to send this information to help others in their quest of 4G 
connectivity with FreeBSD here at Europes continent and in Finland. Huawei does 
not include a lot of information about their products. These 4G-network modems 
are usually provided by the subscriberline companies and with their own 
products. This one was from Sonera (Teliasonera, .se and .fi) here in Finland.
Huawei E3372 seems to be a CDCE device. /boot/loader.conf has to have a line 
if_cdce_load="YES". Only usb_modeswitch works with this one. Command:
/usr/local/sbin/usb_modeswitch --default-vendor 0x12d1 --default-product 0x1f01 
swithes to the CDCE mode. Device ue0 appears to be configured (with ifconfig 
-command). Using 'dhclient ue0' a network address is found and using the 
address and adding a default router the network interface is usable. An admin 
HTTP-page can be found from CDCE has two network interfaces 
at both ends of USB. Both ends can be configured with their own IP-address.
ID:s   idVendor = 0x12d1 idProduct = 0x1f01 are switched to ID:s idVendor = 
0x12d1  idProduct = 0x14dc . This seems to be correct since the connection to 
the Internet succeeded with cdce.
Causes the modem to appear as a device id 0x1442 . Using this, only NTP port 
was listening. Maby this is a ntp mode. Using:U3G_DEV(HUAWEI, E3372_INIT, 
does not give any results. These are the current possibilities if compiling a 
new kernel every time is possible.
It would be easier if a device had only one identification code. Reading about 
the different codes from usb_modeswitch list, it is maby clear that the service 
provider can change the device ID:s. This is not very easy to the users. If the 
device was only a modem, it  would be usable without the flip-flop states of 
the modem-devices. ISO image is given with Windows and Linux drivers or 
software and after installing the software, the state becomes a modem state. 
Possibly with a HTTP-interface to connecto to the Internet.
Quick test with Linux shows that the latency time is less with Linux. 
Previously using PPP with these kind of wireless devices, FreeBSD has shown 
best latency times. This is an estimate. Using an external modem (propably 
Linux inside) caused more latency with PPP over the previous 3G link.

With best regards,

Jouni L. 
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