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Questions tagged [pppoe]

69 questions
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Linux pppoe/pppd won't connect to Centurylink fiber

Equipment: Fedora 27 x86_64 Technicolor C2100T DSL modem/router Unknown Centurylink ONT optical adapter` I recently switched from CL 80mb DSL to CL 1000mb fiber, which still relies on pppoe. I have always used a basic Linux Fedora machine as the…
bfoddy
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Connect into a custom PPPoE server in Ubuntu in an Virtualbox experimental setup. Connection Fail

I am using an Ubuntu Server 18.04.2LTS and I want to try to make it as a ppp server in order to study the protocol a bit better via wireshark. The idea is to use virtualbox and use virtual machines as the following diagram shows: Each Vm connected…
Dimitrios Desyllas
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Different TCP MSS values for different providers with same MTU

I'm having an issue in internet connectivity with a particular DSL provider, and after lots of research it has boiled down to the following. Let's say there are two providers A and B connected through PPPoE (on Ubuntu 14.04, identical configurations…
Diamond
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How to set up a simple Cisco ISG config for controlling internet access

First off, here is my config so far. http://pastebin.com/fV2NGCE2 I've gone through a few guides online and the 15.2s manual and the xe3 manual for Cisco's ISG (intelligent services gateway) and understand what I want to obtain from using it, but I…
lukeismighty
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multiple subnets on the same switch(es), how can I isolate it?

I am by no means an expert when it comes to networking, I've inherited one which I am pretty much sure is wrong and due to my lack of experience I have no idea how to clean it up. The network looks like this simplified: L2 switches have multiple…
krdx
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Windows Server 2012 RRAS/NAT with PPPoE Modem

I'm trying to connect to a BT Openreach VDSL Modem with Windows Server 2012 R2 Essentials, I have RRAS with NAT set up. My server looks like this; NIC 1 - Into a TP-Link Switch to connect a myriad of devices (computers, access points, etc..) NIC 2…
ASeymour
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How and why is PPPoE possible over a DSL line?

Typically (at least here in the UK), the authentication method on a DSL line is PPPoA. This makes sense, based on my understanding that DSL usually uses ATM mode, meaning ATM/AAL5 sits immediately above the low level DSL protocol in the stack. This…
dbr
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RP-PPPoE server rejects IPCP configuration request from PPPoE client

I am using RP-PPPoE 3.11 server. I am looking for an option in server like "ipcp-accept-remote", if PPPoE client sends PPP IPCP Configuration request to server with Option - desired remote IP Address (say - 15.0.0.10), RP-PPPoE server should…
Sakthi
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One router and one modem+router. Can I pass a static IP range from one to the other?

I had been running a Huawei HG612 connected to a DD-WRT router for internet services using PPPoE as authentication. Due to an office move, I need to have a DG834 modem+router which will be used for connecting to a PPPoA network. After that, the…
MrNorm
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The output of ifconfig for a Internet USB dongle

This question has been asked on the net before but the answers are simply not convincing or even accurate. I get the following output for ifconfig for the ppp0 device (of course, x, y, a, b are integers). ppp0 Link encap:Point-to-Point Protocol …
Sunny
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iptables to block all but one port on PPP0

I have 2 dsl accounts. One is general use which is setup on my router and the second is setup on a server. My router is secured nicely, but I noticed after setting up PPPoe on my server that the router security is completely bypassed and all ports…
Leon
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Linux unusable secondary PPPoE connection

I currently have two PPPoE connections established, the first one, ppp0 (configured as default gateway) is perfectly usable, the second, ppp1 however does not seem to forward any traffic to "userland". If I do ping -I ppp0 google.com I get…
Andrei
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Connecting to PPPoE server through wireless switch

I have the following set up: D-Link DSR-250N Wireless N Gigabit VPN Router (all machines connected to LAN ports, including server) Server (CentOS 5) -eth0: connected to LAN port on router -eth1: connected to local network The server is…
thomashw
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capture outgoing pppoe requests

My ISP provides PPPOE based dialer where client dials using dialer. After authentication (PAP) computer is connected to internet. When I try to view packets in wireshrk using filter "eth.dst == my_pppoe_access_concentrator_mac_address" . I don't see…
Rahul
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How can I configure Windows Server 2008 R2 to NAT while connecting to the internet with PPPoE?

The only avalable way to connect to the internet with a static IP address for our server is using PPPoE. Now, I want to know if we could config the NAT on a PPPoE connection. We have two NIC. More over I know how to NAT when we have an static IP…
Amir Karimi
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