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vRouter: The VPN Concentrator for Service Providers

VPN Concentrators are networking devices in router form factors that provide secure VPN connections and delivery of traffic between VPN nodes. Service Providers deploy VPN Concentrators specifically to create and manage secure VPN infrastructure to provide services for customers.

Why VPN Concentrator

6WIND VPN Concentrator vRouter Benefits

IPsec Product

Software-based IPsec VPN product, ready to run in bare metal and virtual machine configurations on commercial-off-the-shelf (COTS) servers


Monitoring through YANG-based Key Performance Indicators (KPIs) that can be exported to a Time-Series Database and analytics dashboard


CLI and NETCONF/YANG-based management engine for integration with orchestrators and existing management frameworks

18 GBps

18 Gbps IPsec performance per processor core, scalable

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Proprietary hardware routers were historically required to solve high performance IPsec VPN challenges such as VPN aggregation and concentration with well-known downsides including vendor lock-in and very high equipment costs. There is a market need for cost-effective alternatives to avoid a cost versus security trade-off. 6WIND solves this challenge with vRouter software.

AT&T, the largest Tier 1 service provider in the US

AT&T uses 6WIND’s vRouter as a VPN Concentrator for its Enterprise VPN Service called vVIG or virtual VPN Internet Gateway. 6WIND Virtual Security Gateway vRouter is used to aggregate the IPsec traffic from enterprise users. As a result of using 6WIND Virtual Security Gateway vRouter on a commercial-off-the-shelf (COTS) server, AT&T was able to reduce CAPEX by 70%, support IPsec clients of all types, and manage thousands of IPsec tunnels.


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  • Performance: 10,000 tunnels sustaining 10 Gbps in both directions
  • Features: VRRP provides a single IPsec endpoint in both directions and IKE High Availability is configured for seamless failovers
  • Management: NETCONF/YANG management engine allows monitoring of VPN Concentrators with secure traffic
  • Monitoring: YANG-based KPIs integrated with the InfluxDB Time-Series Database and the Grafana analytics dashboard