Site-to-Site IPsec VPN

High-speed, easily-scalable encrypted traffic across the Internet

without outlandish cost.

Remote office to corporate data center.

Branch to branch.

Premises to cloud.

Fast. Secure. All in software.


The rise in worker mobility, distributed offices, and complex multi-cloud hosting of business applications is escalating organizations’ reliance on encryption. This puts computational strain on traditional VPN solutions, especially as bandwidth needs evolve from 1 to 10 to 40 Gbps or more.

Traditional router/VPN appliances buckle under the load - particularly when the packet traffic shifts towards IMIX.

Today's businesses need higher throughput site-to-site VPN solutions, that can handle a variety of application-driven packet sizes - without breaking the bank.

TNSR® software shines at high-performance site-to-site IPsec, especially when compared to traditional solutions underpinned by kernel-based, single packet-at-a-time processing approaches.


TNSR software delivers gigabit IPsec speeds for a fraction of the cost of traditional hardware-based solutions:

  • Vector Packet Processing (VPP) data plane technology crushes traditional site-to-site VPN economics - opening the door for widespread, low cost deployment of high-speed routing over IPsec on public, private, or hybrid networking infrastructure

  • Line-rate multi-gigabit connectivity

  • Fast. 1-3.75 Mpps per core depending on packet size and core

  • Hardware acceleration. Leverages available CPU-based AES-NI and/or QuickAssist (QAT) encryption accelerators

  • Multiple crypto options. MD5, SHA-1, SHA-256, SHA-384, SHA-512, 3DES, AES-128-CBC, AES-192-CBC, AES-256-CBC, AES-ICV16-GCM-128, AES-ICV16-GCM-192, AES-ICV16-GCM-256, DH Groups 1-24, Group 31, ike-v1, ike-v2

  • Easy Scale. Simple software license update

  • Flexible Deployment. Netgate appliance, third party COTS appliance, virtual machine, or public cloud

  • High Availability. VRRP

  • Flexible management. CLI or RESTCONF API


Stay up to date

There’s always something new with open-source, secure networking and TNSR software. Keep up with us by visiting our blog, social communities and newsletter.


Get a view into how open source is disrupting secure networking and changing the technology landscape.

Netgate Blog

Netgate Newsletter

Discover the latest announcements, product information, and industry news with our monthly newsletter.


Netgate Newsletter

Social Communities

Twitter Circle Logo LinkedIn circle logo Reddit Circle Logo Facebook circle logo instagram circle logo