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Questions tagged [ppp]

The Point-to-Point protocol enables packet-based communication over a serial interface.

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Is Point-to-Point protocol suitable for on-board moving systems (train)

I am designing an on-board unit system that is going to be implemented in a train. This embedded system runs linux and needs an LTE module to maintain connected. The LTE module can be used through AT commands or PPP (Point-to-Point Protocol). I…
Julen Uranga
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How to implement a PPPoe server?

I want to develop one PPPoe-like server, so I can create a virtual connecting among server and client. Is there any opensource project for reference ？ Thanks
why
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GPRS modem and PPP issue on Linux

I have a MultiTech MTD-H5-2.0 GPRS cellular modem that is connected to a linux machine via USB. I can see the device and communicate with it directly without issue. I've trying to setup PPP so I can access the internet over this device. I'm running…
dangeroushobo
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How can I patch the source code of a folder?

Well, here is the case, I learned that ubuntu dist has added some modification to the source of ppp source, which is here: https://launchpad.net/ubuntu/trusty/+source/ppp It seems ppp_2.4.5-5.1ubuntu2.2.diff.gz is some patches for the source code,…
python
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FreeRadius2 traffic counter not work

I've added this block to radiusd.conf sqlcounter monthlytrafficcounter { vcounter-name = Monthly-Traffic check-name = Max-Monthly-Traffic reply-name = Monthly-Traffic-LIMIT sqlmod-inst = SQL key = User-Name reset = monthly …
Balthild Ires
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GPRS PPP failure during NCP

i am now using lwip-1.4.1 and the modem is SIM900. I met with some trouble during NCP. Here is the data exchanged between the SIM900 and the MCU. SEND: 7E FF 7D 23 C0 21 7D 21 7D 21 7D 20 7D 34 7D 22 7D 26 7D 20 7D 20 7D 20 7D 20 7D 25 7D 26 7D 2B…
liangqiseu
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Omnet++/Inet: 2 lisp routers keep on boucing each other messages without being forwarded

In a Omnet++/Inet scenario I have a couple of LISP routers which are not able to communicate. I mean that MapRequest messages sent from LISP router1 to LISP router2 are not forwarded to a central network as expected, but router2 sends back the…
SagittariusA
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Restart PPP connection from C#

I have to restart a PPP connection on Windows 2k and XP from a C# program. How can I do that ? Does I have to disconnect and reconnect ? How ? Thanks in advance Best regards
hotips
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SLiRP Error: Invalid Option

I'm trying to run SLiRP in my linux box but after executing this command: slirp -P -d -4 debugppp "ttyACM1" "dns 176.66.0.1" "dns 176.66.0.12 " "-vj" "mru 576" "mtu 576" it shows: Error: Invalid option: ttyACM1 I'm sure that the device is…
superm0
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Internet relay using XBee modules

I'd like to use two Xbee modules for a point-to-point Internet relay. Something like this: eth0(host1) <-> Xbee(1) <-> ... <-> Xbee(2) <-> eth0(host2) Setting up a serial connection with Xbee is simple (I'm using two Arduino boards). But how do I…
Frizz
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Establish IPSEC Tunnel between two Ubuntu 12.04 PCs over LAN

I have two ubuntu 12.04 32 Bit PCs between which I want IPSec Tunnel to be setup. I have setup ipsec in both systems and ipsec verify runs fine on both. Since I have no prior experience of openswan, I am finding it hard to set config files. Here is…
Harsh Vardhan
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RS485 in point-to-point communication

I'd like to achieve TCP over RS485 in point-to-point communication. Due to the hardware, I cannot use RS232. I don't have any equipment yet so I cannot not test anything. In Linux, can I use slattach process with e.g SLIP protocol to transmit and…
aako
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Double connection ethernet + ppp

Sorry if the question is trivial, but I can't figure out.. I've my ethernet connection and I've created a ppp connection. Now, keeping alive eth0 connection, how can I test ppp connection? I would like to do something like this: ping …
Luca Davanzo
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What uri pattern do I need to communicate with my PC from my handheld device?

As I was reminded here, I need to probably use "ppp_peer" to programmatically connect from my Compact Framework app to my Web API app running on my PC. I have tried this (replacing an IPAddress with "ppp_peer"): string uri =…
B. Clay Shannon-B. Crow Raven
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HDLC / PPP protocols functions at what layer?

HDLC/PPP protocol as described is layer 2 protocol. But I have the confusion of why is this required to be configured on a routers serial interface. that too when the connection is as below, Router1----DTE-----SERIAL--------DCE--Router2 Adding more…
khazi
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