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Questions tagged [l2tp]

Layer 2 Tunnelling Protocol is a layer 7 networking protocol which provides an unsecure layer 2 tunnel. It runs on top of UDP, and is commonly used to carry PPP sessions. Security is usually provided with the addition of IPsec.

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Sonicwall L2TP Server is using a "phantom" internal DHCP server

Following a few articles on options 121 and 249, I'd like to push out routes to the L2TP VPN clients using the internal DHCP server on the Sonicwall. However, the Sonicwall seems to be using a phantom internal DHCP server that's handing out IPs…
gravyface
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NAT Masquerade to a L2TP/IPSec connection

I'm trying to create two networks (using a debian server) : The first one is intended to pass packets in a normal way (to my ISP). The second one is intended to pass packets via a L2TP/IPSec VPN connection that I'm establishing at boot. My…
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Phones & tablets cannot connect to Windows Server 2008 RRAS L2TP VPN server

I had installed RRAS in the server running Windows Server 2008 Standard. It's configured as a L2TP VPN server. The Windows and Mac OS X PCs can connect to the server without problem but the android phone and iPhone just don't connect. I tried to…
CK Tan
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l2tp/pptp + freeradius (accounting information only gets updated on disconnect)

I have a basic PPTP/L2TP setup that uses a remote freeradius server with mysql. Issue is that when a user gets connected to the vpn and as long as the user stays connected (could be hours), no accounting data is updated (bandwidth usage). Only on…
miso
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MikroTik not accepting VPN connections over wifi

I'm using MikroTik RouterOS v5.18 x86 on a Dell PC. I have done the following: Set Addresses Set PPPoE Client & Server Set PPTP/L2TP Server Make Profiles and Secrets SRCNAT MASQUERADE the IPs of PPPoE and PPTP POOL Now the problem is this: I have…
DragoTech.Innovations
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Android devices fail to connect to MS L2TP PSK

I have configured MS Server 2003 RRAS with IPSec / L2TP using PSK. iPhone devices connect fine however Android devices fail to connect. The MS "Oakley" trace file shows the negotiations for Apple and Android follow a similar path until the tunnel…
Peter
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Ubuntu IPSEC/L2TP Server EAP-Authentication

I want to set up an Ubuntu VPN-server. My system is running Ubuntu Server 12.10. IPSec(openswan) is running fine, but on my WinXP-Client I'm only able to connect to the VPN with the domain. (MS-Chap-v2) My goal is, to connect to the VPN-Server…
buzznfrog
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Multiple Devices connecting to VPN on CentOS server

I am looking for a solution as to what would be the VPN software for multiple OSes and Devices. I currently have 15 systems to connect to a VPN. I was using Hamachi from LogMeIn but their lack of Android support really upsets me, and their limited…
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How to access remote lan machines through a ipsec / xl2ptd vpn (maybe iptables related)

I’m trying to do the setup of a IPSEC / XL2TPD VPN for our office, and I’m having some problems accessing the remote local machines after connecting to the VPN. I can connect, and I can browse Internet sites trough the VPN, but as said, I’m unable…
Simon
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Traffic shaping L2TP/IPsec VPN (via accounts not connection)

I need to be able to control the amount of bandwidth a specific user account can use on a VPN connection. One account I want to be able to use the VPN with no restrictions and another account I want to limit to a reasonable amount of bandwidth (say…
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setup Zyxel USG 20W as L2TP VPN Server

I have a Zywall USG 20W (wireless disabled) behind a router supplied by my ISP. All ports (both TCP and UDP) on the ISP router are forwarded to the 20W. I'm trying to configure an L2TP VPN to be used by Windows XP and Windows 7 with Microsoft's…
Massimo
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Unable to connect from Windows to VPN while Android and iPad can

I've got a L2TP/IPSec VPN set up on CentOS (Amazon AMI) with racoon, ipsec-tools and xl2tp. I'm using a version of racoon from this repo, as it allows the use of IPSec ID wildcards (or no specification thereof), following this tutorial. I'm able to…
Fredefl
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ASA 5505 stops local internet when connected to VPN

I have a Cisco ASA router running firmware 8.2(5) which hosts an internal LAN on 192.168.30.0/24. I have used the VPN Wizard to setup L2TP access and I can connect in fine from a Windows box and can ping hosts behind the VPN router. However, when…
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Can't get the L2TP IPSEC up and running

i have an Ubuntu 11.10 (oneiric) server running on a ReadyNAS. Im planning to use this to accept ipsec+l2tp connections through a router. However, the connection is failing somewhere half through. Using Openswan IPsec U2.6.28/K3.0.0-12-generic and…
Maciej Swic
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L2TP/IPSec PreShared Key VPN

I tried to setup a L2TP/IPsec VPN server with PSK authentication according to this tutorial on a Ubuntu server but there is a problem when I'm trying to connect to this server with a Windows 7 client. I can't connect using PSK however it works when…
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