NimbeLink Skylink Configuring Manual

Configuring linux ‘pppd’ for a 3g hspa modem

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Configuring Linux 'pppd' for a
Skywire​
NimbeLink Corp
Updated: January 2019
PN 30252 rev 4
3G HSPA Modem
®
NimbeLink Corp All Rights Reserved
1

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Summary of Contents for NimbeLink Skylink

  • Page 1 Configuring Linux ‘pppd’ for a Skywire​ ​ 3G HSPA Modem ® NimbeLink Corp Updated: January 2019 PN 30252 rev 4 NimbeLink Corp All Rights Reserved...
  • Page 2: Table Of Contents

    2.5 Verify The Modem is Connected 2.6 Ubuntu Only: Load the “option” Driver 2.7 Write PPP Scripts 2.8 Take Down the Ethernet Interface 2.9 Bring Up the PPP Interface 2.10 Troubleshooting PN 30252 rev 4 NimbeLink Corp All Rights Reserved...
  • Page 3: Introduction

    If you are using a device that is communicating via SSH, Telnet, or any other type of Ethernet interface, you must connect to it via USB or serial. Section 2.8 requires the Ethernet interface to be taken down. PN 30252 rev 4 NimbeLink Corp All Rights Reserved...
  • Page 4: Ppp – 3G Hspa Modems

    Make sure that your Debian or Ubuntu system is up to date using the following commands: # apt-get update # apt-get upgrade 2.4 Install the “ppp” Package To install the ppp package, type the following command: # apt-get install ppp PN 30252 rev 4 NimbeLink Corp All Rights Reserved...
  • Page 5: Verify The Modem Is Connected

    The other recommended option is to click on the file you want and copy and paste directly from GitHub. First, clone the repo and navigate to the cloned repo. Next, as superuser (root) copy the file: att-TNAG PN 30252 rev 4 NimbeLink Corp All Rights Reserved...
  • Page 6 GitHub repo to /etc/ppp/peers/att-TNAG-chat Make sure to replace ​ [ apn] with your APN. The contents of ​ a tt-TNAG-chat are shown below: PN 30252 rev 4 NimbeLink Corp All Rights Reserved...
  • Page 7: Take Down The Ethernet Interface

    --- 2 packets transmitted, 2 received, 0% packet loss, time 1001ms rtt min/avg/max/mdev = 47.818/69.237/90.656/21.419 ms This indicates that your PPP connection is up and connected to the network. PN 30252 rev 4 NimbeLink Corp All Rights Reserved...
  • Page 8: Troubleshooting

    Move the unit closer to a window for a better signal strength. If your PPP still fails with error 0x3 in Section 2.9, your APN may be incorrect. Verify that your APN is correct in your ​ - chat​ file. a tt-TNAG​ PN 30252 rev 4 NimbeLink Corp All Rights Reserved...

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