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Questions tagged [point-to-point-protocol]

Point-to-Point Protocol

The Point-to-Point Protocol is a link-layer protocol for networking between two network nodes.

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how to get ip address of a PPP(Point-to-Point Protocol) network interface?

I have a Linux machine with two network interfaces, and I'd like to get the IP address of the PPP interface w1g1 but it doesn't show up in ifconfig. There is a public IP on the PPP interface, but there is no internet connection, I'm trying to…
Xsmael
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Ctrl-C is ignored by pppd when put in a shell script

I'm trying to connect to GPRS network through a serial port connected GSM modem. When I call /usr/sbin/pppd call from the command line, It correctly receives and handles Ctrl+C from keyboard. But when I put the exact same command in an…
zaadeh
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Using pppd with a serial port?

I just need to send/receive a messages through a unix-socket with PPP. But at first I want to launch the pppd with an usual serial port to make sure I know how it works. As I see, if I bind a pppd to a serial, all the packets that has come there…
Hi-Angel
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Cisco 1841 - Acting as a PPPoE terminator?

We have 2x Fortigate 200B firewalls that we wish to operate in Active/Active HA mode - though, obviously, they cannot do this with PPPoE/DHCP enabled on the externally facing interfaces. To overcome this we want to use a Cisco 1841 as a PPPoE…
Myles Gray
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PPTP defaultroute. Want to route all traffic via ppp interface

I'm experiencing a problem described here: http://pptpclient.sourceforge.net/howto-diagnosis.phtml#lots_of_data. If I use defaultroute in peer conf or manually add route add default dev ppp0 there are tons of traffic in TX: in ifconfig so perhaps…
Alexey
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Change mtu of ppp0

Every time I log in to my VPN server via ppp, I must change the MTU to 1492 using the following method: ifconfig ppp0 mtu 1492 If I do not do this, then random websites will simply hang up and never load. I must do this every single time I log into…
alexander7567
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Wrong Device answering PPPoE auth request

The basic configuration is a CentOS machine running rp-pppoe and a separate router, both connected to a DSL modem through a simple switch. Each device has it's own separate PAP id/password. This configuration has worked fine for years, until the…
Illuyankas
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ipsec (openswan) routing or dns issue with iphone

I got an established VPN connection, but either the routing or the resolving is not working. The configuration is taken from http://louwrentius.com/blog/2011/12/setting-up-a-vpn-with-your-iphone-using-l2tp,-ipsec-and-linux/ and…
Daniel W.
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Setting up VPN on a VPS

I want set up a VPN in my Xen VPS with one static IP. What I should set in /etc/pptpd.conf as localip and remoteip. I followed this tutorial:…
Reza S
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PPTP VPN support IPv6 over IPv4

My Server has both IPv4 and IPv6 and I've set up an PPTP VPN there. And my local network only supports IPv4. How can I gain IPv6 access by dialing in my VPN with IPv4? That means, is it possible to have a VPN which can forward IPv6 packets into…
Clippit
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PPPoE Connection : "Generic-Error "RP-PPPoE: Child pppd process terminated"

I have 2 Ubuntu 64-bit Virtual Machines installed on Virtual Box.Their name and ip addresses are given below.I am trying to establish PPPoE connection between the two machines. nas 192.168.129.130 (This machine runs the PPPoE server) home …
liv2hak
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Getting PPPD to log successful CHAP authentication

I've successfully set up an OpenSwan L2TP/IPsec VPN. PPP is used to authenticate the peer (via CHAP) and set up the virtual network interface, and that works well. My question: how can I cause pppd to write who logged in to syslog? I can tell who…
Aurelia Peters
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PPP kernel module fails to load

I am trying to deal with a problem on a server I don't normally deal with. Out of the blue a script using ppp started failing saying that the ppp kernel module is not loaded. When I try to modprobe it it complains about files missing. Note below…
Harel
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freeradius address assignment from ippool

I'm trying to figure out how to assign IP addresses from an ippool to mobile units. Ideally, I would like a unit to receive the same IP at each request. There is no data source to use to populate static entries for each unit, so I would prefer each…
Bittrance
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Why doesn't pppd over ssh work here? Why can't I kill pppd?

I'm trying to setup a simple ppp tunnel over ssh. It works on several machines just fine. But on one machine, pppd gets "stuck": > pgrep pppd | xargs ps up USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 4178 0.0 …
Peter V. Mørch
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