My impression guys is that this is not cdc_ncm protocol. Look how many short packets you can see in there. Without any ncm signature. right? On Sun, 30 Nov 2014, Alex Strizhevsky wrote: ==Date: Sun, 30 Nov 2014 05:22:20 ==From: Alex Strizhevsky <alexxst@xxxxxxxxx> ==To: Mrkiko Rs <mrkiko.rs@xxxxxxxxx> ==Cc: Eli Britstein <Eli.Britstein@xxxxxxxxxxxxxx>, linux-usb@xxxxxxxxxxxxxxx, == "youtux@xxxxxxxxx" <youtux@xxxxxxxxx>, == Midge Shaojun Tan <ShaojunMidge.Tan@xxxxxxxxxxxxxx>, == "netdev@xxxxxxxxxxxxxxx" <netdev@xxxxxxxxxxxxxxx>, == Kevin Zhu <Mingying.Zhu@xxxxxxxxxxxxxx>, Bjørn Mork <bjorn@xxxxxxx> ==Subject: Re: Is this 32-bit NCM? == == ==Hi Enrico, == ==Actually I have two dongles with different firmwares (23.128.00.00.00 & ==21.286.03.01.209). ==Probably have sent to you the USB capture with the first one. == ==In fact we have to make work the second one, this dongle has relevant SW. == ==On Nov 30, 2014 3:13 AM, "Enrico Mioso" <mrkiko.rs@xxxxxxxxx> wrote: == Hi guys. == Sorry for the late our but ... I was trying to figure out == something new about == this dongle. == I also searched for it in my city shops without finding it == actually. == But then I came back and ... tried to look at some things. == == Alex, Kevin: in the Windows USB captures you sent me (and that I == sent on the == List), I can notiche something very strange. == with a shell on a computer connected to a test device I can see == the following: == at+gmr == 21.286.03.01.209 == OK == and so why in the Windows sniff the dongle answers to the same == question == something like == 23.128.00.00.00 == ? == Alex - was it the same dongle? == Kevin or anyone: can you use putty to interact with the dongle == under Windows == and type some commands, like: == at+gmr == and other similar commands? == If the dongle reports different firmware versions under Linux == and Windows, then == guys... we need to figure out the Windows switch message. == Overmore - in the device installation sh*t, you can see there is == a firmware == updater... Why? == == Alex: I used the == at^reset == command to get the modem back to normal state once; and so it == restored the == nvram to default or something. == If you reconnect it to windows ... i hope it gets re-setup as == before. == But - nothing harmful to the device, only to it's settings, == sorry. == I restored the relevant settings and it connects again, but no == dhcp. But - be == peaceful: other modems out there seems to not get dhcp anyway. == this is the state the modem arrives when you buy it, so windows == should know == Wwhat To Say To The Modem (TM). == Another thing - note that: == [14170.048693] cdc_ncm 1-2:1.2: GET_MAX_DATAGRAM_SIZE failed == == Any ideas, comments, suggestions are highly appreciated guys. == Of any type. == == Bjorn - unfortunately it seems this problem is related to E3727 == and E3276 == sticks; they can get IP from DHCP but not go ahead. == == ==