Clavister Virtual Series

Clavister’s NetWall Virtual series offers next-generation firewall (NGFW) capabilities for uCPE deployments and data centers, ideal for distributed office deployments and large scale hostings. Designed to prevent cyber-attacks, reduce complexity, and lower your costs.


Clavister NetWall Virtual series architecture is engineered to deliver enhanced network visibility, protection, and performance to help IT managers and system administrators to address some of the greatest challenges facing networks today. These Virtual NGFWs address growing breaches and protects against emerging threats with industry-leading Secure SD-WAN in a simple, affordable, and flexible to deploy virtual appliance.
Clavister NetWall Virtual NGFW is located in the public cloud protecting the cloud resources and VPN termination for remote users and branch offices.


  • Resource effecient
  • Easy-to-deploy & flexible as uCPE based SD-WAN spokes
  • Easy Provisioning using cloud-init
  • Fully enabled Next Generation Firewall feature-set
  • SSL VPN to support secure remote working with Windows, macOS and iOS clients included
  • Simple to deploy new firewalls using custom configuration templates with centralized management tool
  • Included with cloud analytics tools to provide real-time troubleshooting and overview dashboards
  • Unique CyberSecurity Score for simplified actionable security analytics
  • Application Visibility & Control with high granularity and support for over 3000 unique applications
  • Integrated Intrusion Detection/Protection System with real-time updates
  • Botnet and denial of service (Dos) protection through continuous updated IP Reputation feeds
  • Supports hypervisors such as KVM, VMware, Hyper-V


Compare the different Clavister NetWall platforms and choose the virtual model that best fits your specific needs.

NetWall 100V NetWall 500V NetWall 1000V NetWall 2000V NetWall 4000V NetWall 6000V NetWall 12000V
Firewall performance* 100 Mbps 500 Mbps 1 Gbps 2 Gbps 4 Gbps 6 Gbps 12 Gbps
VPN Performance* 100 Mbps 500 Mbps 1 Gbps 2 Gbps 4 Gbps 6 Gbps 12 Gbps
Concurrent connections 16 64 128 256 512 1,000,000
Concurrent VPN Tunnels (IPsec) 50 250 500 500 1 1,5 1,5
Ethernet interfaces Up to 10
Virtual Interfaces (IEEE 802.1q/802.1ad) 1024
Virtual Routers 25 25 50 50 100 100 125
High Availability Support Yes
Minimum Recommended RAM 512 MB 512 MB 512 MB 1 GB 2 GB 4 GB 4 GB
Recommended Available Storage 1 GB
Number of vCPUs** 1
Clavister OS Clavister cOS Core
Intel AES-NI Crypto Acceleration Yes
Intel DPDK and SR-IOV Support Yes
Supported Hypervisors VMware vSphere, KVM (ARM & Intel), Microsoft Hyper-V

* Actual performance depends on host/server-hardware, hypervisor and similar.
** Virtual Interfaces are not supported by Microsoft Hyper-V

Additional information