Stack Overflow
Stack Overflow

Questions tagged [l2tp]

In computer networking, Layer 2 Tunneling Protocol (L2TP) is a tunneling protocol used to support virtual private networks (VPNs) or as part of the delivery of services by ISPs. It does not provide any encryption or confidentiality by itself. Rather, it relies on an encryption protocol that it passes within the tunnel to provide privacy.

In computer networking, Layer 2 Tunneling Protocol (L2TP) is a tunneling protocol used to support virtual private networks (VPNs) or as part of the delivery of services by ISPs. It does not provide any encryption or confidentiality by itself. Rather, it relies on an encryption protocol that it passes within the tunnel to provide privacy.

70 questions
1
vote
0 answers

why a layer 2 tunneling protocol when we already have layer 3 tunneling protocol

In network, a tunnel is a logical connection between two nodes. In the tunnel, there are multiple routers that physically comprise the path. Hence the packets in a tunnel are essentially routed via IP. (correct me if I am wrong) This makes sense to…
Daniel
  • 1,484
  • 5
  • 24
  • 42
0
votes
0 answers

YAMAHA RTX 1210 router VPN(multiple user) connection error

I recently tried YAMAHA router(for VPN purposes) RTX 1210 but there seems to be problem with my setting Problem: single person can be connected to VPN but others cannot connect Also this is displaying when second person is trying to connect to…
TMunkh
  • 9
  • 5
0
votes
1 answer

Only SSH into my home server via L2TP, but leave all other traffic as-is?

I am trying to solve a seemingly simple problem. Can I use L2TP connection in parallel to my main connection? Let me explain: I have a debian home server that I need to ssh into. My home LTE router (MikroTik) is behind multiple NAT routers as the…
r0berts
  • 842
  • 1
  • 13
  • 27
0
votes
0 answers

How to set up VPN L2TP/IPSec on Ubuntu

How to set up L2TP/IPSec on Ubuntu for 100 clients, each with their own PSK? Need to configure a server on Ubuntu to encrypt traffic with a client. Each client is independent and should have access only to the server, and the server to the client.…
SmartESP
  • 1
0
votes
1 answer

v2ray (vmess|vless|trojan|ss) test in python

Friends, how can I test the configurations of (vmess|vless|trojan|ss) with Python? I need a function to test the speed of given v2ray configs
vlad 0024
  • 3
  • 5
0
votes
1 answer

L2TP/IPSec VPN Connection without encryption

My ISP provided us with VPN connection that comes with Gateway IP, Username & Password. We connect through windows server 2016 fine with no issues Screenshot: Configuration of the VPN on windows Now we want to switch to Ubuntu, but we are having…
SL IM
  • 11
  • 2
0
votes
1 answer

Mikrotik routing between networks via l2tp

I have 2 Mikrotik routers: Home(static WAN IP): LAN - 192.168.30.1/24 VPN IP - 192.168.146.1 Office(Cloud): LAN - 192.168.20.1/24 VPN IP - 192.168.146.2 Configured L2TP\IPSec server on my home router with default-encryption profile…
Sciti The Candyborn
  • 11
  • 3
0
votes
1 answer

VPNs chain to bypass blocked VPN

I have an L2TP VPN server that is blocked in my country. Is it possible to configure middle/jump server to make a chain like that: PC -> VPN1 -> VPN2 -> Internet VPN1 is hosted by a cloud service (can be any dist). I don't have access to VPN2, just…
Igor Kandaurov
  • 51
  • 9
0
votes
1 answer

Listening to virtual network interface

Don't get confused by me talking about L2TP. Although my problem is related to L2TP it is not an L2TP problem per se. It's more of an networking problem. Background I'm writing an application working with L2TP. This is my first time working with…
Jonas Schade
  • 45
  • 8
0
votes
1 answer

Unable to Dissect L2TPV3 in Wireshark

I can view L2TPV3 in decode as but dissection not working out while analyzing log in Wireshark. Expect to see tunneled data mapped and could see in Wireshark. Anyone came across L2TP decoding on Wireshark
SachinD
  • 29
  • 1
  • 7
0
votes
1 answer

L2TP and so about DHCP

I setup local network. I have 1 router and 2 devices, for sample. I setup L2TP server on the router and successfully connect devices to it. ROUTER - 172.16.200.1 1 DEVICE - 172.16.200.2 2 DEVICE - 172.16.200.3 If i shutdown devices and boot 2…
odd90058
  • 5
  • 4
0
votes
2 answers

My systemd unit file and bash scripts not working for interface ppp0 checks

Trying to understand systemd and craft a service that works , using two bash scripts I have to down/up an IPsec/L2tpd tunnel. All works fine if I use the bash scripts commands from the command line, but for some reason I'm getting race conditions or…
keratos
  • 15
  • 8
0
votes
1 answer

VPN with powershell -L2tpPsk secret won't set correctly

My line is adding VPN correctly: Add-VpnConnection -Name "Interface Fluidics VPN" -AllUserConnection -ServerAddress "vpn.server.com" -TunnelType "L2TP" -EncryptionLevel "Optional" -AuthenticationMethod "MSCHAPv2" -L2tpPsk "VPNMePas$word" -Force…
Victor Chikhachev
  • 11
  • 2
0
votes
1 answer

Could not link driver rlm_sql_mysql

I have a problem with MySQL: freeradius -X gives the following command: Could not link driver rlm_sql_mysql: /usr/lib/freeradius/rlm_sql_mysql.so: cannot open shared object file: No such file or directory Make sure it (and all its dependent…
Krisz
  • 1
  • 1
  • 2
0
votes
1 answer

L2TP/IPSec VPN on macOS not routing packets trough VPN

I have a weird issue on my macbook pro. I configured my company VPN that uses IPSec over L2TP. I added the PSK and user credentials. I connected to the VPN and everything was working fine. However, at one point I noticed I don't have access to my…
user3362334
  • 1,980
  • 3
  • 26
  • 58
1 2
3
4 5