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Re: [leshan-dev] A question regarding Leshan demo web site
  • From: Mark Lugovskoy <mark.lugovskoy-ext@xxxxxxx>
  • Date: Mon, 23 Nov 2020 14:00:58 +0000
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  • Thread-topic: [leshan-dev] A question regarding Leshan demo web site

Hi,

 

I tried to connect using this sequence of commands from GSM modem:

 

AT#LWM2MINJKEYS=0,1,"mark123456","mark123456","0987654321"

AT#LWM2MSTS=0,999,"coaps://leshan.eclipseprojects.io:5784",1

at#reboot

AT#LWM2MENA=1

 

With this sequence, I managed to connect until Thursday after noon. In the evening I already couldn’t connect.

I pretty much use my GSM modem as black box, so I can’t provide much more details. I also don’t have Wireshark.

I’ll try to find more information that you asked.

 

Thank you,

Mark

 

From: Thomas LE ROUX [mailto:thomas.leroux@xxxxxxxx]
Sent: Monday, November 23, 2020 3:33 PM
To: leshan developer discussions <leshan-dev@xxxxxxxxxxx>
Cc: Mark Lugovskoy <mark.lugovskoy-ext@xxxxxxx>
Subject: Re: [leshan-dev] A question regarding Leshan demo web site

 

Hi !

 

I've just tried and succeeded to connect to https://leshan.eclipseprojects.io/#/clients (IP : 23.97.187.154) using a DTLS w/ PSK.

 

There must be something wrong with either your computer's networking options, the sequence of command you used, registration to the server (wrong key, or a device with the same identity is registered with a wrong key. You can check this out at https://leshan.eclipseprojects.io/#/security) or something else.

 

Good luck !

 

Best regards,

 

Thomas

 

On Mon, Nov 23, 2020 at 2:20 PM Simon Bernard <contact@xxxxxxxxxxxxxxx> wrote:

Hi,

Is there some problem with this server?

  It should not. But you maybe found a bug ?
  Thursday I integrated in master (and so applied on Leshan sandbox) some commits about integration of the new Californium version, there is maybe a regression with this. (Californium itself or my modifications)
 
  This could help if you provide more context. (which client used ? DTLS or not ?, if DTLS, rpk psk or x509 ?  providing wireshark capture or log could help too)
  If you prefer you can use github issue ? (Mailing list is fine too)

Simon 

Le 23/11/2020 à 13:17, Mark Lugovskoy a écrit :

Hi,

 

Last week I connected with my device successfully to the demo LESHAN server: https://leshan.eclipseprojects.io/#/clients.

But since Thursday I can’t connect to it, with the same sequence of commands that I used before.

 

Is there some problem with this server?

 

Thank you,

Mark

 

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