hi! this is cool to know! any ideas why the latency is higher?

-a


On 16 April 2016 at 13:44, Jouni Laakso via freebsd-wireless
<freebsd-wireless@freebsd.org> wrote:
>
>
> 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 -J
> 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 http://192.168.1.1. 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.
> Using u3g.c:U3G_DEV(HUAWEI, K3372_INIT, U3GINIT_HUAWEISCSI)
> 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, 
> U3GINIT_HUAWEISCSI2)
> 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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