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2answers
78 views

IPv6 PPP Link fails forwarding Router Advertisements into local LAN

A Debian Server having eth0, eth1. eth2, ppp0 devices: 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether xx:yy:zz:yy:xx:yy brd ...
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0answers
24 views

EAP-TLS Passthrough from pppd to Radius?

I am setting up an IPSec+L2TP VPN for a couple of Windows boxes connecting to a Debian 7.6 (Wheezy) machine running ipsec tools and xl2tpd/pppd. Client authentication via mschapv2 works well enough; ...
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0answers
53 views

pppd call to restart VPN ineffectual from a CRON

This works when I run it directly but never from a cron it is the 'pppd call OM01' which seems to be ineffectual when run from a cron. #!/bin/bash # vpnTest.sh test if you ping via the VPN # if ping ...
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1answer
67 views

Can't open ports to ouside

I need to open my webserver to internet. I have no idea whats wrong with my config but no ports opened to internet, and server does not respond to ping. I have debian squeeze webserver with following ...
0
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2answers
139 views

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 ...
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0answers
213 views

racoon server (debian) with openswan client (ubuntu) l2tp-ipsec-vpn - ppp mess up routes

may somebody could help me, I've setup l2tp-ipsec-vpn, it works just with little problem, but PPP pushes new routes, when in config file it's disable (nodefaultroute), even it doesn't delete original ...
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0answers
37 views

pppoe installation configuration option

I have centOS 5 server. I am trying to install rp-pppoe-3.11.tar.gz I also want to install ppp-2.4.5.tar.gz now with rp-pppoe-3.11 configuration option i found --enable-plugin=pppd_src_path build ...
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0answers
27 views

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 <peer_name> from the command line, It correctly receives and handles Ctrl+C from ...
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1answer
188 views

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 ...
2
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1answer
62 views

How to compare 2 TCP/IP stacks or implementations? [closed]

I have to recycle an old machine into a networking node for managing TCP/IP connections and PPP protocols ( basically a DSL connection ); I'm not asking for something more than this, all the tasks ...
1
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1answer
228 views

Set up multiple VPN's with a static ip with PPTP with only 1 vpn-login

I have a VPS with Ubuntu 12.04 x64 and i need to connect 118 VPN's to interfaces with (pon vpnname). I've made a script that creates them all, the problem is that no interface will have a unique local ...
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1answer
48 views

Tshark/wireshark on an ephemeral interface

Our server hosts a VPN. Each connection to the VPN creates a new PPP interface (ppp0, ppp1, etc.) and the connections are ephemeral in the sense that the interface can go up or down intermittently. ...
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2answers
48 views

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 ...
1
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1answer
66 views

Macvlan-interface and PPP-session

I need to pick up two PPP-sessions on the same interface with different MAC-addresses (on some device with openWrt). I decided to check macvlans. I created an interface with another MAC-address. ...
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0answers
164 views

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 ...
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0answers
2k views

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 ...
0
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1answer
209 views

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 ...
1
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3answers
778 views

Linux server not receiving default IPv6 route over PPP link

I'm replacing a pfSense router in a remote office with a small linux device, running Debian. The router only has to handle very basic iptables / DHCP and VPN facilities. It is configured so that the ...
1
vote
1answer
136 views

PPP or Ethernet for fiber-optic link?

Since I have been doing a lot of IP camera jobs lately, it was only a matter of time that something really long-distance, more than can be covered with cat5e/cat6 cable, would come up. My current ...
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1answer
366 views

PPTP not working

I keep getting this error when attempting to log on to my new VPN server.. Sep 6 14:05:19 378465 pptpd[8171]: CTRL: Starting call (launching pppd, opening GRE) Sep 6 14:05:19 378465 pppd[8172]: ...
0
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1answer
205 views

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 ...
1
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1answer
3k views

How to do port forwarding/redirecting on Debian?

I have two questions. Question 1: My debian machine has interface eth3 with ip 192.168.57.28. If someone tries to connect to 192.168.57.28:1234 how do I redirect the request to another machine: ...
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1answer
228 views

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 ...
0
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0answers
216 views

Chat: alarm - pppscript failed connection

I have a gsm modem (using a 3G mobile sim) on a linux machine, and I'm often experiencing the following problem: at boot, the chat script tries to connect every 60 seconds until connected. From time ...
0
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1answer
89 views

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: ...
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0answers
187 views

Low PPPoE speed in Linux

We have 2 PC with Ubuntu 12.04 and connect with 1000M/bit cable. Then start iperf on both PC and get 900m/bit speed in iftop util. But when on 1-st PC setup PPPoE server and on 2-d PC PPPoE client, ...
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0answers
266 views

Ubuntu 12.10: wvdial connection shared through NAT resets and reconnect with every packet request

I'm having this problem: I'm sharing my wvdial modem connection through NAT configuration with these commands: $ sudo iptables -t nat -A POSTROUTING -s 192.168.0.0/24 -o ppp0 -j MASQUERADE $ sudo ...
0
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1answer
602 views

PPTP VPN support IPv6 over IPv4 [duplicate]

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 ...
1
vote
1answer
402 views

Automatically Start PPP USB Modem

I have a Verizon USB 3G modem that I want the connection to automatically start with on boot. In my Debian based system in /etc/network/interfaces I have the following: auto ppp0 iface ppp0 inet ppp ...
2
votes
1answer
4k views

pppd “peer refused to authenticate”

I have a working pptpd+pppd server configured which currently has two Windows 7 clients successfully connecting. However, when I try to connect a linux client I'm getting a really weird exchange that ...
1
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1answer
698 views

xl2tpd: Provide L2TP/IPsec VPN connectivity to an entire subnet without using a default route

I've set up an L2TP/IPsec VPN using OpenSwan and xl2tpd using the "nodefaultroute" ppp option. The server's virtual IP address is set to 10.10.31.1 and it allocates addresses in the range ...
1
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1answer
1k views

Routing all data through an VPN tunnel with ppp

I'm trying to create a VPN tunnel that forwards all data from the local machine to the VPN server. I'm using ppp-2.4.5 for this with the following configuration: pty "pptp <VPNServer> ...
0
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1answer
4k views

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 ...
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0answers
130 views

authentication of VM's using PPPoE

I have two VM's running on Ubuntu box.Their name and IP addresses are give below. nas 192.168.129.153 home_user 192.168.129.152 I establish a ppp connection ...
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0answers
24 views

Connecting two VM's connected to a bridged network using pppd [duplicate]

Possible Duplicate: Communication between two systems using pppd I have two Virtual Machines (both Ubuntu 64-bit machine) connected to a bridged network.The name and ip-address are give ...
2
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1answer
2k views

Permissions to Ping over an interface

My server is running CentOS 6. I have a Sprint Broadband device connected as ppp0. This connection has a tendency to need restarted, so I'm trying to monitor it with Nagios (this is used for other ...
0
votes
1answer
136 views

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 ...
2
votes
2answers
172 views

What is the point of PPPoE? [closed]

I am trying to expand my knowledge of networking beyond the basics. I have started reading about PPP, and how it is used in DSL modems with PPPoE and PPPoA. My first impression of PPP was "well that ...
0
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1answer
344 views

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 ...
2
votes
2answers
204 views

Using a broadcast or network ID as src IP in PPP?

In case of PPP, are we allowed to use any IP address including broadcast & network id as the source address? For example: 192.168.1.0, 192.168.1.255? One of the customer has configured a DHCP ...
0
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1answer
493 views

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 ...
0
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1answer
729 views

pppd PAM use and combining with CHAP/MSCHAP

Managed to successfully configure pppd to use PAM (/etc/pam.d/ppp) for authentication steps (used login option in addition to auth). However, this seems to work only for PAP (require pap, refuse ...
0
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1answer
432 views

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 ...
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1answer
1k views

How to find DNS servers for each PPP session in linux?

How to get the DNS server address which are specific to each ppp session. For example, I have two ppp sessions each one connected different service provider, how do I find out the DNS server IP ...
1
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1answer
81 views

Creating a Service on Cent OS / Parallels Power Panel [System Services]

I'm having a problem, I can start up the service by hand easily check out this screenshot No repu Those S80policyserver and S80chatserver are the symbolic links. I don't know what those S80's ...
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1answer
716 views

dhcp-server + iptables: Can't share ppp internet connection

I had this configuration before, and it used to work well, but now I got a new server and I can't setup it to share the internet connection from ppp0. I'm on Debian testing. The client connects ...
1
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1answer
287 views

FVS336G PPP SNMP monitoring

Using SNMP to monitor a Netgear FVS336G, I can access all of the interfaces statistics except for PPP1. We have two PPP connections but SNMP only reveals: ifDescr1 03 May 2011 08:52:16 "lo" ...
1
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1answer
660 views

Extract number of users connected to IPSsec/L2tpd server

We have a new corporate VPN server running Ipsec (Openswan) + xl2tpd + pppd. When a user connects, pppd runs the /etc/ppp/auth-up script which logs the time and username that has connected to ...
1
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1answer
791 views

How to disable encryption for the remote vpn clients in PPTP?

I find there is one compress PPP packet in GRE packet, so how to get the PPP packet without encryption and compression ? thanks
1
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1answer
185 views

How to get vpn pptp client ip in GRE packets?

I hava captured some packets for pptp client, but how to get the virtual ip of pptp client? thanks