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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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Windows Server 2016 - L2TP VPN local network issuse

we configured VPN access to our server via L2TP with preshared key to tunnel our RDP admin connection. Everything works fine if we need to just connect to the server - We are behind NAT from out ISP Router we used NAT-Traversal modification for…
Elenthar
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Unable to Connect L2TP IPSec VPN on Mac OSX

I'm struggling to debug an issue connecting a Mac to a L2TP IPsec VPN. Macbook Pro running Mojave 10.14.6, following instructions here https://forum.peplink.com/t/setting-up-l2tp-with-ipsec/8046 I turned on verbose logging and this is what I'm…
robarthur1
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Route trafic from one wAP to VPN

i have two mikrotik routers. One router - 2011 (main) has public static IP address and has L2TP over ipsec vpn server running on it. I can connect to it from laptops and mobiles. When i connected, my ip changes to routers ip. The second router 4011…
swift2geek
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route l2tp server to openvpn client

i configured l2tp/ipsec server on ubuntu also i installed openvpn client on this server i need when l2tp client connect to this server traffic forward to openvpn and client get openvpn server ip address: ( for example if l2tp server public ip is…
user3699217
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Connect Ubuntu 19.04 Server to Ubiquity Unifi USG L2TP VPN Server?

I am trying to connect a remote Ubuntu Server 19.04 instance to a Ubiquity Unifi USG L2TP VPN Server. I have the VPN server set up as an L2TP server with PSK and verified that it is working by connecting from my Android phone. It seems that Ubuntu…
bjarkef
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Strongswan CentOS 7 to Mikrotik Router L2TP VPN "NO_PRPOSAL_CHOSEN"

I have reviewed existing Q&A on this issue and, maybe there's a hook I'm not seeing, but I don't know what else to try. I get this output when attempting to launch VPN from CentOS "client": [root@hostname etc]# strongswan up casanova_vpn initiating…
dmmooney
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L2TP VPN connection not working - PAYLOAD_MALFORMED

I am trying to replace an old VMWare server (ESXI 5.1.0) with a new one (ESXI 6.7.0) and to do that we are trying to replicate the setup of the old one. We have another physical server that needs to be connected to the virtual servers. So I am…
Crick3t
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VPN into router behind a Sonicwall

We've installed a Sonicwall TZ Firewall and have configured an L2TP/Ipsec VPN. The SonicWall is connected to an internal router on the subnet 192.168.168.0/30 with the SonicWall on 192.168.168.1 and the internal router (a Dreytek Vigor) on…
Olly Lennox
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How to forward IPsec VPN with iptables

Hello I have some questions on how to use iptables to forward IPsec VPN data. Here is what I want to do: WAN Computer -- (eth1/WAN IP)Server1(eth0/10.81.1.2) -- (eth0/10.66.2.3)Server2(eth1/WAN IP) -- WAN NOTE: The internal network of Server1 and…
Saiyu Sarai
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How do I get an L2TP Foxpass VPN connection working in Windows 10?

I have an office VPN that I need to connect to which uses L2TP/IPsec with a pre-shared key. At home (on my home network) I have two computers: a MacBook Pro, and a Windows 10 machine. I am able to successfully connect to the VPN on the Mac with no…
soapergem
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Windows VPN client - how to make it connect to a different port?

I have a L2TP/IPsec server setup on a CentOS box that I am using for multiple purposes, and I wish some clients connect one way, other clients connect the other way, and get different sets of resources. I have decided that the best way here would be…
Vesper
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RRAS L2TP VPN DNS Issue on iDevices - No Internet

I've setup an L2TP VPN server on Windows Server 2012 using RRAS and NPS primarily for connections from iPhone/iPad clients etc, the problem is I can't get internet connectivity to work when connected on the iPhone / iPad, whereas it does work when…
Simon
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L2TP VPN server only for DNS

I am trying to figure out a way to bypass my ISP's DNS hijacking, by attempting to replicate a Smart VPN solution. Is there a way I could set up a Linux L2TP server that does not forward traffic, but only lets DNS requests go through?
EAdev
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Windows L2TP VPN Server Connection Issues

I've been troubleshooting a Windows VPN server I have set up at a client for the past couple months ever since Apple dropped PPTP support on iOS 10. We originally were using PPTP but I've set up L2TP to replace it. When trying to connect from a…
Elijah Kanavel
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L2TPv3 tunnel private IPs not working

I'm trying to setup L2TPv3 tunnel between 2 servers - CentOS 7 and Ubuntu 16 On CentOS 7 end I have the following: ip l2tp add tunnel tunnel_id 6000 peer_tunnel_id 5000 encap udp local LOCAL_IP remote REMOTE_IP udp_sport 5002 udp_dport 6002 ip l2tp…
Economist
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