Virtual CG-NAT

6WIND Virtual CG-NAT® is a high-performance, ready-to-use vRouter software. It is deployed in bare metal or in virtual machines on commercial-off-the-shelf (COTS) servers in private and public clouds.

Virtual CG-NAT enables a smooth transition to IPv6 and allows service providers to efficiently extend their IPv4 networks. It aggregates multiple millions of concurrent connections and scales the bandwidth performance from 1G to over 300G.



30 Million simultaneous connections per 32G of RAM (scales with memory)

200,000 connections per second per core (scales with the number of cores)

30Gbps per CPU core (@IMIX), scalable, over 300G per single instance

Bare metal deployments on Intel® Xeon® and Atom® based servers

Virtual machine deployments on VMware ESXi, Linux KVM and Amazon Web Services

1G to 100G Ethernet support includes Intel, Mellanox and Broadcom NICs

CLI and NETCONF/YANG management options with YANG-based NETCONF APIs

Monitoring through YANG-based KPIs that can be exported to a Time-Series Database and analytics dashboard

Advanced logging through syslog can be integrated with logging platforms

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Why 6WIND Virtual CG-NAT?

Performance Increase
Gbps – Throughput
Cps – Establishment Rate
Lower CTO


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Virtual CG-NAT 3.x

Deployment Guide

6WIND Virtual CG-NAT is a software router that provides scalable, cost effective IP routing & CG-NAT capabilities.

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Success Story

Lolo Company expand their global IoT network at speed with 6WIND Virtual Routers

The main challenge was to achieve multiple Gbps of encrypted traffic with CG-NAT capability.

Read Success Story

vRouter Applications