<div dir="ltr">I love the example :D However... # wget <a href="http://193.63.62.31/sites/default/files/publications/civic_renewal_forms.zip" target="_blank">http://193.63.62.31/sites/default/files/publications/civic_renewal_forms.zip</a> --1970-01-04 01:19:23-- <a href="http://193.63.62.31/sites/default/files/publications/civic_renewal_forms.zip" target="_blank">http://193.63.62.31/sites/default/files/publications/civic_renewal_forms.zip</a> Connecting to 193.63.62.31:80... failed: Connection timed out. Retrying. --1970-01-04 01:21:36-- (try: 2) <a href="http://193.63.62.31/sites/default/files/publications/civic_renewal_forms.zip" target="_blank">http://193.63.62.31/sites/default/files/publications/civic_renewal_forms.zip</a> Connecting to 193.63.62.31:80... failed: Connection timed out. Retrying. --1970-01-04 01:23:50-- (try: 3) <a href="http://193.63.62.31/sites/default/files/publications/civic_renewal_forms.zip" target="_blank">http://193.63.62.31/sites/default/files/publications/civic_renewal_forms.zip</a> Connecting to 193.63.62.31:80... failed: Connection timed out. Retrying. ModemManager still reports | state: connected | power state: on | access tech: lte | signal quality: 100% (cached) Bearer statistics: Statistics | duration: 77790 | bytes tx: 3300828 | attempts: 1 | total-duration: 77790 | total-bytes tx: 3300828 I got the information from operator that: Super SIM and the network allow only one active application bearer at a time so the second bearer will be automatically canceled and ModemManager may get confused. Are the 2 bearers expected? I think since some version between 1.12 and 1.14 ModemManager shows initial bearer and actual bearer. Correct? So what could be the real problem in this case? (all logs attached to the first message) <div><div dir="ltr" data-smartmail="gmail_signature"><div dir="ltr">Kind regards, Filip</div></div></div> </div> <div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jul 15, 2022 at 3:08 PM Amol Lad <<a href="mailto:Amol.Lad@4rf.com" target="_blank">Amol.Lad@4rf.com</a>> wrote: </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> <div lang="EN-NZ"> <div> Please try below (skip dns resolution) wget <a href="http://193.63.62.31/sites/default/files/publications/civic_renewal_forms.zip" target="_blank"> http://193.63.62.31/sites/default/files/publications/civic_renewal_forms.zip</a> <div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm"> From: Filip Kubicz <<a href="mailto:filip.kubicz@tier.app" target="_blank">filip.kubicz@tier.app</a>> Sent: Friday, 15 July 2022 6:29 PM To: Amol Lad <<a href="mailto:Amol.Lad@4rf.com" target="_blank">Amol.Lad@4rf.com</a>> Cc: <a href="mailto:modemmanager-devel@lists.freedesktop.org" target="_blank">modemmanager-devel@lists.freedesktop.org</a>; Kamil Sroka <<a href="mailto:kamil.sroka@tier.app" target="_blank">kamil.sroka@tier.app</a>> Subject: Re: Linux system cannot use the data connection </div> <div> Hi Amol, # wget <a href="http://speedtest.ftp.otenet.gr/files/test10Mb.db" target="_blank">http://speedtest.ftp.otenet.gr/files/test10Mb.db</a> --1970-01-04 01:06:40-- <a href="http://speedtest.ftp.otenet.gr/files/test10Mb.db" target="_blank">http://speedtest.ftp.otenet.gr/files/test10Mb.db</a> Resolving speedtest.ftp.otenet.gr... failed: Temporary failure in name resolution. wget: unable to resolve host address '<a href="http://speedtest.ftp.otenet.gr" target="_blank">speedtest.ftp.otenet.gr</a>' <div> <div> <div> Filip </div> </div> </div> </div> <div> <div> On Fri, Jul 15, 2022 at 2:52 PM Amol Lad <<a href="mailto:Amol.Lad@4rf.com" target="_blank">Amol.Lad@4rf.com</a>> wrote: </div> <blockquote style="border-top:none;border-right:none;border-bottom:none;border-left:1pt solid rgb(204,204,204);padding:0cm 0cm 0cm 6pt;margin-left:4.8pt;margin-right:0cm"> <div> <div> Please also try downloading a test file as below and see the result. Does it download any file at all? wget <a href="http://speedtest.ftp.otenet.gr/files/test10Mb.db" target="_blank">http://speedtest.ftp.otenet.gr/files/test10Mb.db</a> <div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm"> From: Filip Kubicz <<a href="mailto:filip.kubicz@tier.app" target="_blank">filip.kubicz@tier.app</a>> Sent: Friday, 15 July 2022 5:28 PM To: Amol Lad <<a href="mailto:Amol.Lad@4rf.com" target="_blank">Amol.Lad@4rf.com</a>> Cc: <a href="mailto:modemmanager-devel@lists.freedesktop.org" target="_blank"> modemmanager-devel@lists.freedesktop.org</a>; Kamil Sroka <<a href="mailto:kamil.sroka@tier.app" target="_blank">kamil.sroka@tier.app</a>> Subject: Re: Linux system cannot use the data connection </div> <div> Hi Amol, thanks for the answer. I checked that the devices are not hitting the SIM data limit. Moreover, as I mentioned there is some small RX/TX occurring for the device from the operator point of view, but the "ping 8.8.8.8 -I wwan0" does not work. <div> <div> <div> Filip </div> </div> </div> </div> <div> <div> On Fri, Jul 15, 2022 at 1:28 PM Amol Lad <<a href="mailto:Amol.Lad@4rf.com" target="_blank">Amol.Lad@4rf.com</a>> wrote: </div> <blockquote style="border-top:none;border-right:none;border-bottom:none;border-left:1pt solid rgb(204,204,204);padding:0cm 0cm 0cm 6pt;margin:5pt 0cm 5pt 4.8pt"> <div> <div> I generally run into similar situation when my SIM card runs out of money. Do you want to try topping-up SIM card and see if ping is successful? Amol <div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm"> From: ModemManager-devel <<a href="mailto:modemmanager-devel-bounces@lists.freedesktop.org" target="_blank">modemmanager-devel-bounces@lists.freedesktop.org</a>> On Behalf Of Filip Kubicz Sent: Friday, 15 July 2022 4:14 PM To: <a href="mailto:modemmanager-devel@lists.freedesktop.org" target="_blank"> modemmanager-devel@lists.freedesktop.org</a> Cc: Kamil Sroka <<a href="mailto:kamil.sroka@tier.app" target="_blank">kamil.sroka@tier.app</a>> Subject: Linux system cannot use the data connection </div> <div> <div> <div> <div> Hi! I'm using ModemManager 1.18.6 with Quectel EG21-G modem and Twilio SuperSIM. </div> <div> This setup works ok on multiple devices. However, on a few devices, I see following situation: </div> · Modem registered to operator network (e.g. Vodafone UK) · Modem reports connected state · wwan0 interface has IPv4 address · Network provider sees no issues · in Network provider console you can see the device exchanges a few hundred kB of data every hour · but ping doesn’t work · sending data fails </div> This looks strange, as if ModemManager was not aware of the data session that is setup, or Linux system not being able to use it. The simplified flow of using the modem: - enable modem - wait until it auto-registers - create a bearer and connect - when bearer obtains IP address, configure the network interface I attached relevant mmcli information from the device (modem, bearer) and debug level logs from 2 situations: - device stable in connected state (but ping fails) - modem reset - sequence of enable, register, connect -> goes into the same state where ping does not work. I also attached the commands that are used for setting up the network interface when a new IP address is obtained. What should I check, or do you know how to avoid this situation? </div> <div> <div> <div> Kind regards, Filip </div> </div> </div> </div> </div> <div class="MsoNormal" align="center" style="text-align:center"> <hr size="1" width="100%" align="center"> </div> The information in this email communication (inclusive of attachments) is confidential to 4RF Limited and the intended recipient(s). If you are not the intended recipient(s), please note that any use, disclosure, distribution or copying of this information or any part thereof is strictly prohibited and that the author accepts no liability for the consequences of any action taken on the basis of the information provided. 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