Date: Wed, 11 Dec 2019 11:41:50 -0500 From: mike tancsa <mike@sentex.net> To: Adrian Gschwend <ml-ktk@netlabs.org>, freebsd-questions@freebsd.org Subject: Re: u3g Sierra Wireless LTE device disconnects ppp after 2-3MB of outgoing traffic Message-ID: <3cbe8ef9-4800-bfc0-ba34-c2ca56c74e17@sentex.net> In-Reply-To: <8d25dd77-7c71-5a4a-2f2e-78c541e3fb9c@netlabs.org> References: <972e8912-0ed7-63c8-d079-c11b12f8c9ad@netlabs.org> <6e6176d5-c9c5-b38a-0fe6-8b21c9c33824@sentex.net> <6d5e9963-bdfe-81b3-73be-6ee349f9091e@netlabs.org> <56eb59b2-6cbb-cfb0-4594-46644aee7164@sentex.net> <8d25dd77-7c71-5a4a-2f2e-78c541e3fb9c@netlabs.org>
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On 12/11/2019 11:34 AM, Adrian Gschwend wrote: > On 11.12.19 21:24, mike tancsa wrote: > >> Do you have LQR/ech enabled ? Here is the ppp.conf section I use > yeah, it's pretty much based on what you proposed, main change was APN. > > Later I did add > > set reconnect 3 5 > > Hoping that this adds something but apparently it does not. How are you starting ppp ? ppp -ddial target ? >> Depending on your modem, some Sierra's dont allow the GSTATUS command >> from the management port, just signal info. Eg. port /dev/cuaU0.3 is my >> data port to make my ppp connection on, I can connect to cuaU1.4 to ask >> some basic info like signal. Sierra should have a pretty good AT >> command set manual free to download so you can see what is exactly >> available. > yes I have that one. > >> % cu -l /dev/cuaU1.4 >> Connected >> Sierra Wireless, Incorporated >> MC7700 >> APP1 >> >> OK >> +CSQ: 21,99 >> OK > That does not work on mine, on 2 I get "all ports are connected" but > that's where PPP is running on. On the others I get "connected" but > never any output (and also no echo) on cuaU1.4 just type ati <enter> You wont see what you type, but you should get MCC7700. Does that not work ? > >> for whatever reason, ate1 is not respected, so my commands dont show. >> the above is the output of entering ati and at+csq > I've seen that too > >> set lqrperiod 10 >> enable lqr >> enable echo >> >> should allow ppp to reconnect should ppp disconnect. > unfortunately it doesn't. The link seems still up but absolutely nothing > goes through anymore. > > The only thing I can do is kill ppp and restart it, then I have a link > again immediately. your ppp logs should show you something when the connection dies. Whats in the logs ?
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