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KNOT LTE Cat-M via 1nce SIM card PPP connection fails

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hokascha
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Posts: 3
Joined: Thu Jul 06, 2023 5:30 pm

KNOT LTE Cat-M via 1nce SIM card PPP connection fails

Mon Jan 15, 2024 3:04 pm

Hi,

I am trying to bring the router online but the PPP connection fails. Here's the log:

Code: Select all
 12:54:28 async,debug modem:2: sent ATH
 12:54:28 async,debug modem:2: rcvd OK
 12:54:28 async,ppp,info ppp-out1: initializing modem...
 12:54:28 async,ppp,info ppp-out1: initializing modem...
 12:54:28 lora,error lora-dl: [TTN V3 (eu1)] Couldn't resolve eu1.cloud.thethings.network
 12:54:28 lora,error lora-ul: [TTN V3 (eu1)] Couldn't resolve eu1.cloud.thethings.network
 12:54:29 async,ppp,info ppp-out1: dialing out...
 12:54:29 async,ppp,info ppp-out1: dialing out...
 12:54:29 async,debug modem:2: sent AT+CGDCONT=1,"IP","iot.1nce.net"
 12:54:29 async,debug modem:2: rcvd OK
 12:54:29 async,debug modem:2: sent ATDT*99***1#
 12:54:29 async,debug modem:2: rcvd CONNECT
 12:54:29 async,ppp,debug ppp-out1: LCP lowerup
 12:54:29 async,ppp,debug,packet  ppp-out1: sent LCP ConfReq id=0x1c
 12:54:29 async,ppp,debug,packet    <mru 1500>
 12:54:29 async,ppp,debug,packet    <magic 0x499b085f>
 12:54:29 async,ppp,debug,packet    <pcomp>
 12:54:29 async,ppp,debug,packet    <accomp>
 12:54:29 async,ppp,debug ppp-out1: LCP open
 12:54:29 async,ppp,debug,packet  ppp-out1: rcvd LCP ConfReq id=0x51
 12:54:29 async,ppp,debug,packet    <asyncmap 0x0>
 12:54:29 async,ppp,debug,packet    <magic 0xd00ecc28>
 12:54:29 async,ppp,debug,packet    <pcomp>
 12:54:29 async,ppp,debug,packet    <accomp>
 12:54:29 async,ppp,debug,packet    <auth  chap>
 12:54:29 async,ppp,debug,packet  ppp-out1: sent LCP ConfAck id=0x51
 12:54:29 async,ppp,debug,packet    <asyncmap 0x0>
 12:54:29 async,ppp,debug,packet    <magic 0xd00ecc28>
 12:54:29 async,ppp,debug,packet    <pcomp>
 12:54:29 async,ppp,debug,packet    <accomp>
 12:54:29 async,ppp,debug,packet    <auth  chap>
 12:54:29 async,ppp,debug,packet  ppp-out1: rcvd LCP ConfAck id=0x1c
 12:54:29 async,ppp,debug,packet    <mru 1500>
 12:54:29 async,ppp,debug,packet    <magic 0x499b085f>
 12:54:29 async,ppp,debug,packet    <pcomp>
 12:54:29 async,ppp,debug,packet    <accomp>
 12:54:29 async,ppp,debug ppp-out1: LCP opened
 12:54:29 async,ppp,debug,packet  ppp-out1: rcvd LCP DiscReq id=0x52
 12:54:29 async,ppp,debug,packet     <magic 0xd00ecc28>
 12:54:29 async,ppp,debug,packet  ppp-out1: rcvd CHAP Challenge id=0x1
 12:54:29 async,ppp,debug,packet     <challenge len=16>
 12:54:29 async,ppp,debug,packet     <name UMTS_CHAP_SRVR>
 12:54:29 async,ppp,debug,packet  ppp-out1: sent CHAP Response id=0x1
 12:54:29 async,ppp,debug,packet     <response len=16>
 12:54:29 async,ppp,debug,packet  ppp-out1: rcvd CHAP Success id=0x1
 12:54:29 async,ppp,info ppp-out1: authenticated
 12:54:29 async,ppp,info ppp-out1: authenticated
 12:54:29 async,ppp,debug ppp-out1: IPCP lowerup
 12:54:29 async,ppp,debug ppp-out1: IPCP open
 12:54:29 async,ppp,debug,packet  ppp-out1: sent IPCP ConfReq id=0x1c
 12:54:29 async,ppp,debug,packet     <addr 0.0.0.0>
 12:54:29 async,ppp,debug,packet     <ms-dns 0.0.0.0>
 12:54:29 async,ppp,debug,packet     <ms-dns 0.0.0.0>
 12:54:29 async,ppp,debug ppp-out1: IPV6CP open
 12:54:29 async,ppp,debug ppp-out1: MPLSCP open
 12:54:29 async,ppp,debug ppp-out1: BCP open
 12:54:29 async,ppp,debug ppp-out1: CCP lowerup
 12:54:29 async,ppp,debug ppp-out1: CCP open
 12:54:29 async,ppp,debug,packet  ppp-out1: rcvd LCP TermReq id=0x53
 12:54:29 async,ppp,debug ppp-out1: LCP closed
 12:54:29 async,ppp,debug ppp-out1: CCP lowerdown
 12:54:29 async,ppp,debug ppp-out1: BCP lowerdown
 12:54:29 async,ppp,debug ppp-out1: BCP down event in starting state
 12:54:29 async,ppp,debug ppp-out1: IPCP lowerdown
 12:54:29 async,ppp,debug ppp-out1: IPV6CP lowerdown
 12:54:29 async,ppp,debug ppp-out1: IPV6CP down event in starting state
 12:54:29 async,ppp,debug ppp-out1: MPLSCP lowerdown
 12:54:29 async,ppp,debug ppp-out1: MPLSCP down event in starting state
 12:54:29 async,ppp,debug,packet  ppp-out1: sent LCP TermAck id=0x53
 12:54:29 async,ppp,debug ppp-out1: LCP lowerdown
 12:54:29 async,ppp,debug ppp-out1: CCP close
 12:54:29 async,ppp,debug ppp-out1: BCP close
 12:54:29 async,ppp,debug ppp-out1: IPCP close
 12:54:29 async,ppp,debug ppp-out1: IPV6CP close
 12:54:29 async,ppp,debug ppp-out1: MPLSCP close
 12:54:29 async,ppp,info ppp-out1: terminating...
 12:54:29 async,ppp,info ppp-out1: terminating...
 12:54:29 async,ppp,debug ppp-out1: LCP lowerdown
 12:54:29 async,ppp,debug ppp-out1: LCP down event in starting state
 12:54:29 async,ppp,info ppp-out1: disconnected
Looks like something terminates the connection at
Code: Select all
12:54:29 async,ppp,debug,packet  ppp-out1: rcvd LCP TermReq id=0x53
I have disabled all compression/encryption in the profile settings:

Image

Any idea on how to troubleshoot further?

thanks a lot
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hokascha
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Topic Author
Posts: 3
Joined: Thu Jul 06, 2023 5:30 pm

Re: KNOT LTE Cat-M via 1nce SIM card PPP connection fails

Mon Jan 15, 2024 3:53 pm

turns out, simply waiting for like 10 minutes makes it work.
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