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Questions tagged [site-to-site-vpn]

448 questions
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3 answers

What is the difference between AWS site-to-site VPN and AWS client VPN?

I know that site-to-site is using IPSec (layer 3), but client is using TLS (application layer). It seems like both are actually site to site vpns after reading articles/ docs online. I guess the protocol (IPSec vs TLS) is their only difference,…
Ben Butterworth
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4 answers

Can I automatically ROUTE ADD xxxx after i make a VPN connection in Windows 7?

after I make a VPN connection to my work/whatever, I currently have to go into the command prompt and manually add a route. eg. ROUTE ADD 10.1.0.0 255.255.0.0 172.16.3.0 METRIC 1 or whatever the command is. Is it possible to have this automatically…
Pure.Krome
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2 answers

Openvpn routing for lan to lan through tun

I am trying to setup an OpenVPN tun to connect two lan's The open vpn connection is up and working but there is a problem with my routing or nat or something. What I need is an example of what a working, routed openvpn setup should look like on the…
Alex
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1 answer

IPsec VPN site-to-site: How should I configure the ipsec.conf files on both sites to get the tunnel up?

What I am trying to do is to create a site-to-site IPsec VPN between my network and my friend's network. We both have a router and two computers on each router, with all computers running Linux. So I guess the topology looks like this [myPC1 +…
Deneb
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6
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1 answer

VPN Encryption Domain

I'm trying to connect to a counterparty using VPN IPsec. I have a standard cable broadband connection with a single static IP address. The counterparty have asked me for my "Public IP Address Assigned to VPN Device" and also my "Encryption…
DD.
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1 answer

Can Read-Only Domain Controller in External location work when VPN tunnel is down?

I have client which has multiple sites all over the world. They have 2 domain controllers in main location and every other location connects thru to main site with vpn tunnel. Currently the network is more or less disaster so I'm trying to fix it.…
MadBoy
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5
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1 answer

Site-to-site IPSec routing (Ubuntu, StrongSwan)

I am stuck in trying to connect two networks. SiteA: is a number of VPS in different locations and office workstations connected with OpenVPN in a private network 10.113.0.0/24. Each has it's own internet access and default gateway. OpenVPN server…
Ivan Yaremchuk
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5
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2 answers

Site to Site VPN between CISCO 2921 and Sonicwall NSA 3600: NO_PROPOSAL_CHOSEN

I have CISCO 2921 and Sonicwall NSA 3600. I am trying to setup Site to site VPN. I am getting: Received notify. NO_PROPOSAL_CHOSEN in Sonicwall logs and the VPN is not setup. It looks like the phase 1 is OK as I am getting: Info VPN IKE IKE…
Kocur4d
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5
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1 answer

Connecting two AWS Regions: Why not use two Virtual Private Gateways?

I am attempting to connect two AWS regions. AWS's documentation suggests starting up an instance on both sides to run software IPSec (OpenSWAN or StrongSWAN), giving both instances an elastic IP and using that as a tunnel. That's all well and good,…
STRML
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5
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1 answer

Site-to-Site IPsec vpn not sending ping across a tunnel

This is my first attempt at a site-to-site VPN. I chose to use IPec because it appeared to be the best solution for what I needed to accomplish. I've followed several different tutorials over the last week with little success. Right now I can not…
autisticgeek
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1 answer

Direct connection between multiple clients on OpenVPN

I've spent my entire day learning about VPN, and have been working with following setup: 2 VPS Servers at the same data centre in Texas. (Texas1 and Texas2), 1 VPS in England and 1 VPS in Atlanta and on Ubuntu. I set up the England VPS as my OpenVPN…
John
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5
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5 answers

Improving VPN performance - stronger encryption = more performance?

I have a site-to-site VPN set up with two SonicWall's (a TZ170 and a Pro1260). It was suggested to me that turning off encryption (so the VPN is tunneling only) would improve performance. (I'm not concerned with security, because the VPN is running…
Seth
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5
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0 answers

Site-to-site VPN using MD5 instead of SHA and getting regular disconnection

We are experiencing some strange behavior with a site-to-site IPsec VPN that goes down about every week for 30 minutes (Iam told 30 minutes exactly). I don't have access to the logs, so it's difficult to troubleshoot. What is also strange is that…
Steven
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4
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2 answers

VNET peering with on-premise gateway transit not working properly

We have a VNET (let's call it VN_MAIN) that is configured to have a S2S VPN connection to our on-premise network. The VMs deployed within subnets of VN_MAIN are reachable from on-premise. What I'm trying to do is to create another VNET (VN_OTHER)…
valorl
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4
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2 answers

Can't ping or traceroute through AWS IPSec VPN

My VPC is connected to my premises via IPSec VPN, tunnel is shown to be UP on AWS console. Things that work: I can see the traffic from my premises (subnet 192.168.0.0/16) to AWS VPC ( 10.0.0.0/16) on VPC flowlogs, marked as accepted. When I do a…
Yoga
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