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Questions tagged [ppp]

The tag has no usage guidance.

0
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0answers
7 views

missmatched mtu with pppd - Can't see mtu negotation in logs

I'm creating a internet connection with pppd. It's working fine - but ... When using a SIM card from a specific provider and using 4G as access technology (its not happen using 3G), I can establish a ...
0
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1answer
71 views

This system lacks PPP kernel support

I bought a VPS from hostinger.com. Now I'm trying to set VPN connection to another server using PPP, but I have an error: Sorry - this system lacks PPP kernel support I tried different versions: ...
0
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1answer
48 views

ppp stopped working on Fedora 28 [closed]

Had no problems with ppp. Ran and update and it stopped working. My setup: Lenovo T470s with Fedora 28, Linux user-fedora 4.18.13-200.fc28.x86_64 #1 SMP Wed Oct 10 17:29:59 UTC 2018 x86_64 x86_64 ...
1
vote
1answer
41 views

ppp between two machines over serial without a modem

Moving question from stackoverflow.com Unfortunately can't delete this question from stackoverflow.com. I'm trying to setup a PPP connection between two Linux machines over a serial line. I followed ...
1
vote
1answer
105 views

Dante SOCKS5 server does not send traffic through ppp interface

I have a couple of 3G modems installed into my RaspberryPI via USB hub with external power adapter. The goal is to create several ppp connection via these modems and share the internet via socks5 ...
2
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0answers
36 views

Is there a way to enable UDP/IP header compression for PPP links/interfaces in Linux

How can we enable header compression for RTP/UDP packets sent over a PPP interface in linux? Hints for any of the various header compression mechanisms (ROHC, IPHC, CRTP, etc.) are highly appreciated....
0
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0answers
54 views

route table with eth0 priority and ppp0 second

i have a board with linux-3.20 and it have 4G modules. when i startup i can run "pppd call quectel-ppp &" get a ppp0 interface.i also have eth0/eth1 interface,eth0 can connect to the Internet,now ...
1
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0answers
67 views

WvDial serial communication not working with uart /dev/ttySAC4, but works with `screen`

I have embedded system based on Samsung Artik 710 board connected to Fibocom G510 cellular modem module via UART (two lines - RX and TX). When I try to communicate with modem using screen - modem ...
0
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0answers
73 views

pptpd always failed to accept a new connection

Log text from syslog(by pptpd): Jul 18 17:25:25 user1 pppd[20577]: Using interface ppp0 Jul 18 17:25:25 user1 pppd[20577]: Connect: ppp0 <--> /dev/pts/1 Jul 18 17:25:46 user1 systemd-logind: ...
1
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0answers
177 views

ppp internet not only after restart

I have configured my network to get internet from HUAWEI E3131 usb modem at start. So I have prepared special wvdial.conf and interfaces files: wvdial.conf: root@debian:/home/s# cat /etc/wvdial.conf ...
1
vote
1answer
414 views

How to set up routing of https to proxy server on client

There are are lot of excellent answers to this question which involve setting iptables routes on the router. However I need to set up the iptables routes on the client. I'm working on an embedded ...
0
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0answers
19 views

iptables: lost source address after port forwarding on vpn connection

I have an account with a VPN service with a static IP, this allows me to run a mail server with a clean IP and a PTR. Router (ASUS Merlin) connects to this service with the PPP/PPTP client, then ...
1
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0answers
45 views

Share ppp connection on Debian Stretch

I have internet on my Debian Stretch via ppp broadband usb modem. It works via Network Manager. There is no connection sharing option in Network Manager for ppp. It is only for ethernet. How to ...
2
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0answers
402 views

Troubles establishing connection with wvdial - Invalid dial command error

I am trying to run internet via HUAWEI E3372 on Debian. It worked on Windows but did not work on Debian.The error is this: ATDT*99# ERROR --> Invalid dial command. wvdial: utils/wvtask.cc:303: ...
2
votes
1answer
141 views

How do I make ppp reliable over lossy radio modems using pppd and tcp kernel settings on debian?

I am having a lot of trouble establishing a reliable ppp / tcpip link between two debian systems over radio modems. My hardware topology is a little complex. The system uses: Raspberry Pi 3B at ...
0
votes
1answer
1k views

cellular modem: pppd modem hangup

I am trying to establish a cellular connection to Verizon through my Multitech Multiconnect Dragonfly (MTQ-LVW3-B02). I am able to connect to Verizons network and get an IP address. The problem is ...
1
vote
1answer
256 views

How do I configure my DNS / DHCP / gateway server with 2 NICs to use its own DNS?

My SOHO lan is served by my main machine which operates as a router, firewall, gateway, DNS, DHCP server and backup server. I've set up bind9 and isc-dhcp-server to do DDNS for the lan clients, while ...
0
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0answers
512 views

Start a remote process using sshpass not working

Machine A connects to a remote machine B using sshpass and that remote machine B doesn't give ssh access to root directly so I connect to it through user and use sudo and I also have disabled ...
0
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1answer
57 views

Is it possible to use a pseudoterminal to redirect PPP’s dataflow to an application?

I want to set PPP in order to use a pseudoterminal slave (/dev/pts/N) instead of a physical serial link, handle its data flow in an application (from /dev/ptmx) and redirect that flow … somewhere ...
0
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0answers
906 views

Wvdial and PPP, no ppp0 interface

I have encountered a problem configuring a serial modem to my DietPi-based Orange Pi Zero. DietPi is a fork of armbian that is a fork of Debian. I have installed wvdial and ppp as root (the only user ...
2
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3answers
439 views

Multilink ppp0 ppp1

I have two ppp0 and ppp1 connections using 3G modems. Is it possible to use both connections simultaneously? Unfortunately, when defining the default gateway for the first ppp0 there is a problem with ...
1
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1answer
412 views

Unable to establish pppoe connection

I have the issue while establishing pppoe connection on De(b)vuan based distribution. My ISP allows me to establish link via tagged vlan 300. Previosly the connection worked just fine, before i ...
0
votes
1answer
371 views

Setup PPPoE connection using pppoe command only in linux

I am running debian stretch. I am currently using Network-Manager to setup pppoe connection. But I want to setup pppoe connection using pppoe command only. I could not find much information or ...
1
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0answers
91 views

VPN Client and IP tables

I have a Debian 8.7 IoT Version on a Beaglebone Black device which is connected to the Internet using a GSM Modem. I installed a VPN client (zerotier) which joins a virtual network. Something ...
3
votes
3answers
1k views

SonicWall NetExtender hangs on Connecting to tunnel

At work we have to use Dell's SonicWall NetExtender software to connect to the company VPN. Some people use Windows and contractors (like myself), use whatever, which in my case is Manjaro (Arch-based)...
0
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0answers
144 views

connect to ppp interface

I have a remote device running Linux with public ip address. Snippet from remote device ifconfig -a: ppp0 Link encap: Point-to-Point Protocol inet addr: xxx.xxx.xxx.xxx P-t-P: xxx.xxx.xxx.xxx ...
0
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0answers
261 views

How can i create a bridge with the ppp0 interface?

How can i create a bridge with the ppp0 interface? Currently i have a ppp0 interface (USB Modem) and i want to create a bridge to use it with the XEN DomUs. Is this possible? My current bridge looks ...
0
votes
1answer
600 views

Cannot connect with Huawei E3131 3GMax USB Modem

I tried both netctl and NetworkManager. Copied /etc/netctl/examples/mobile_ppp and added number and APN name as there's no pin/pass/username and set interface to /dev/ttyUSB0 (also tried the other ...
1
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0answers
52 views

Nagios/SNMP - devices alerting when ppp/tun connections cycle

Sorry if this is a repeat. I searched, but with no luck. I'm using SNMPd on an openwrt/wr host with some ppp and tun connections. These connections get IDs in the if table, and will actually get a ...
1
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2answers
3k views

route table with eth0 and ppp0 broken

I used this guide to connect to my VPN server (pptp) which is the only one guide that worked from many tutorials. After connecting to the VPN server the route table looks like below and sometimes it'...
0
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0answers
463 views

Internet connection over GSM module + PPP

I am trying to get internet connection in my raspberry pi 3 (Raspbian) with a GSM (SIM900a) module, connecting it to RXD/TXD Serial ports (/dev/ttyS0), I already got an ip address and DNSs, but I can'...
4
votes
1answer
422 views

How to configure embedded kernel to use serial line for PPP instead of TTY

I am about to start working on an embedded system which runs kernel v2.6.x. It is configured to use its serial line as a TTY (accessible via e.g. minicom, stty), but I want to run IP over the serial ...
1
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0answers
98 views

Viewing connected pptp clients IP

I have a router connected locally to my office WAN, so router doesn't have a public IP address, just a local one. Now I don't have access to my Office WAN, so I created a VPN instead on my VPS so I ...
2
votes
0answers
436 views

Why the connection speed is limited to 20-30 mbit/s in the case of a PPP daemon?

I'm configuring my LTE modem (Huawei E3372s-153, NON-HiLink), and I recently found out that this modem can work in two different modes: RAS and NDIS (NCM). The second one works just as normal NIC and ...
1
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1answer
474 views

ppp affecting serial ports so that they cannot be used if modem is reset

I've got a Buildroot-based embedded system that uses a 3G modem (Cinterion PH8-P) and PPP to connect to the internet. The 3G modem is a USB device that provides 4 ttyUSB ports. One of these is used ...
1
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0answers
183 views

Internet not working on Puppy 6.3 64 bit O.S using Frisbee telephonic pppoe connection

I have Dialup broadband internet connection. On windows I use PPPOE Connection type with giving connection server name, user name and password, it works perfectly on windows. On Linux Puppy (slacko) ...
1
vote
1answer
302 views

PPPoE not working as Hotplug in particular conditions (Realtek 8169 NIC and Kernel 3.x)

I always used static ip or dhcp configurations in past, and this is what normally happens: when I pull out the cable my interface goes down when I plug back the cable the interface goes back up and ...
0
votes
1answer
859 views

How to share a ppp internet connection over wlan interface on ubuntu?

Im using a 3G USB huawei modem to get access to the internet, therefore, i have an active ppp interface addressed. I want to share this access with my wlan interface so that every device that will get ...
3
votes
2answers
5k views

Establish a PPP connection on boot

Trying to automate making a ppp connection on boot. I have a cell modem (skywire LE910 SVG) that I have working manually using pon. My ppp/peers/isp is configured and the corresponding chatscript is ...
0
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0answers
46 views

3G modem side step

I've been tinkering with a Huawei 169 3G modem on Raspbian (Debian) with wvdial, gradually improving its penchant for disconnecting. When it does disconnect ppp tries to reconnect but can't because ...
1
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0answers
43 views

Using USB intermet through android phone rename dev name

I had a issue every time I connect my phone and enable Internet USB, the assosiated interfaces name changes like enx$(random mac). There's a way to set the name like ppp0 vía udev? I tried vía vendor ...
1
vote
1answer
289 views

Sending command to an already mounted modem

I'm working on a IMX6 based board, and I need some advice to handle my modem. I've successfully configure the modem, and mounted the ppp. The modem is working fine and everything's great, but now I ...
2
votes
1answer
821 views

Routing problem from internal eth1 interface to an external ppp0 interface

I'm trying to connect two LANs using a ppp link. I had a basic network topology diagram but it didn't come out well. This can be seen here. Routing Problem ================ 172.20.0.0/16 ...
1
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1answer
2k views

VPN: Script at /etc/ppp/ip-up.d/ not autoexecuting on PPTP connection established

My PPTP client is Ubuntu Desktop 14.04.2LTS. My PPTP Server is a Buffalo DD-WRT Firmware. If I establish my PPTP VPN connection (named Themiscyra): luis@PortatilHP:~$ sudo pon Themiscyra luis@...
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0answers
49 views

Why there is PPPd instead of all PPP software in kernel?

Are there any reasons why the need of PPP software separation from kernel and process (PPPd)?
1
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1answer
4k views

How to send AT commands to modem once the connection is established?

I have a zte 3g modem. I use carrier provided dialer for connection establishment. Once the ppp connection is active, i would like to send some AT commands(for ex. Query signal strength, AT+CSQ). But ...
2
votes
1answer
2k views

3G connection with wvdial gets no IP, exits with code 16

I am trying to establish a 3G connection with Raspbian, a 3G USB dongle, usb_modeswitch and wvdial. I followed this tutorial which has worked well before with a different 3G dongle. My 3G dongle is a ...
0
votes
0answers
474 views

Problems with pppoeconf on Raspbian

I have a problem with pppoeconf. Today, I had to reinstall Raspbian on the sdcard and after that I installed pppoe ( I followed the specification that can be found HERE). Now, the problem is that ...
0
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1answer
207 views

Connect through different interfaces to the same server

i have two pppoe interfaces - ppp0 and ppp1. I would like to reach the same server on both interface. I added the desired ip address to the route table: route add 10.88.40.13 ppp0 And I could ...
0
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1answer
197 views

Service that runs once when ppp0 connection shows up

We use wvdial to initiate a cell modem connection. We wrap it with nohup, launched by a cron job that checks if all is well every minute (everything we read said that wvdial and the associated ...