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Barracuda CloudGen WAN T400
The Global Secure SD-WAN Service Built Natively on Azure

Barracuda CloudGen WAN T400

Barracuda Products
Barracuda CloudGen WAN T400
Barracuda CloudGen WAN T400C
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Barracuda CloudGen WAN T400:

Barracuda CloudGen WAN combines ease of use, full security, and cloud scalable SD-WAN connectivity to leverage the Microsoft Global Network as your WAN backbone instead of MPLS or leased lines. CloudGen WAN is a SaaS service deployed directly from the Azure Marketplace for as many regions as needed and administered centrally for all office locations and remote endpoints. The Microsoft Global Network is automatically provisioned as the backbone for anywhere anytime application access. Create a pragmatic SASE solution in the public cloud you prefer, on your own terms.

Integrated Next-Generation Security

Eliminate costly MPLS leased lines

Get fast, effortless access to the Microsoft Global Network backbone for high-performance site-to-site and site-to-cloud connections.

Regaining Control of User Activity

Deploy to all your sites rapidly and easily

Zero-touch deployment for all CloudGen WAN site devices requires no local expertise. Just plug them in and they self-configure.

True Enterprise Readiness

Fully leverage all your cloud and SaaS solutions

CloudGen WAN eliminates latency and bandwidth shortfalls that can degrade performance of apps you rely on, such as Office 365.

Customer Benefits

  • Deploy an SD-WAN network in a fraction of the time compared to existing solutions
  • Scale up and down dynamically
  • Quickly interconnect all branches and home offices
  • Use the Microsoft Global Network as your highperformance WAN backbone
  • Achieve best application experience in cloud apps and services, while maintaining high security
  • Easily deploy alongside existing firewalls or replace your existing security device
  • Optimize cloud access out of the box, with default settings for cloud and SaaS apps
  • Enforce full security for branches lacking security solutions
  • Enforce web access regulations
  • Extend the WAN to Microsoft Azure seamlessly
  • Enjoy optimized Office 365 experience
  • Replace inflexible MPLS with Microsoft Global Network
  • Benefit of monthly SaaS billings instead of long term lock-in

Advanced Threat ProtectionLeverage the power of Barracuda Advanced Threat Protection

Barracuda CloudGen WAN makes full use of the Barracuda Global Threat Intelligence Network that ingests vast amounts of diverse threat information from millions of collection points around the world. These include deployed Barracuda endpoints, honeypots, or decoys intended to attract the attention of threat actors and criminals, autonomous crawlers, bots that travel the internet actively seeking out new threats, third-party malware submissions, and analysis by Barracuda Labs. Each of these checks for unknown traffic patterns, files or code and, if not known, submits to the Barracuda Advanced Threat Protection cloud service for detailed analysis. Sophisticated analysis techniques, including multiple levels of code inspection, machine learning and sandboxing, make sure that all submitted traffic gets a final verdict quickly. The obtained information is subsequently available for every Barracuda Networks device. Existing security classification is available for hundreds of millions of files and 99.9% of all traffic. Cloud-based sandboxing is applied automatically for the remaining unknown traffic, making CloudGen WAN the easiest ways to protect your network, users and data from malware and advanced threats.

Microsoft Azure CertifiedThe first firewall on Azure

Barracuda CloudGen WAN is based on the same secure backend technology as Barracuda CloudGen Firewall, the first next generation firewall on Azure in 2014. As the first security vendor in the Azure Marketplace, Barracuda builds solutions in Azure and for Azure, achieving deep integration no other vendor can match. With eight current Microsoft Preferred solutions, and active joint development by Microsoft and Barracuda, we make it easy to secure your journey to the Azure cloud.

CloudGen WAN site devices are available in five different form factors as hardware appliances and as virtual appliances for hyper-converged infrastructure deployments. Hardware appliances are true turn-key solutions with zero-touch deployment and SD-WAN throughput ranges from 300 Mbps to 10 Gbps. Virtual appliances are available for Hyper-V, VMware, Xen and KVM, ranging from 100 Mbps to 5 Gbps.


Harness the power of the cloud to build a modern, high-performance WAN.

CloudGen WAN is more than just another SD-WAN solution. It lets you build an automated cloud-based network by leveraging the Microsoft Global Network. The product of a joint development program by Microsoft and Barracuda, CloudGen WAN is the only global secure SD-WAN service built natively on Azure. It is a single, unified solution that makes it very simple to ensure highly secure, seamless connectivity to all your locations and all your cloud-based resources and applications.

Build your business using one of the most powerful cloud infrastructures.

Use the Microsoft Global Network-a vast backbone network that offers the availability, capacity, and flexibility to meet any demand-as the core of your modern, highly distributed WAN. Barracuda CloudGen WAN lets you easily connect all your locations to the Microsoft Global Network via Azure Virtual WAN. It combines the highest levels of security and SD-WAN capabilities in an easy-to-use, easy-to-buy solution that is purpose-built to bring you all the benefits of the cloud.

Say goodbye to complex, costly deployment and maintenance tasks.

With zero-touch deployment, industry-proven default configurations, and an easy, intuitive management interface, Barracuda CloudGen WAN automates and simplifies all the tasks that traditionally make WAN management complex and challenging. Barracuda CloudGen WAN delivers a complete set of industry-leading next-generation security capabilities while dramatically reducing IT resource overhead, saving you time and money.

Improve performance, boost reliability, and significantly reduce costs.

By deploying Barracuda CloudGen WAN and harnessing the power of the Microsoft Global Network, you completely eliminate the need for costly MPLS uplinks and connections-which according to Gartner account for nearly two thirds of the costs associated with network architectures. Combine these savings with the long-term reduction of IT resource needs and with the business benefits of cloud flexibility and reliability, and the value of using CloudGen WAN and Microsoft Global Network is self-evident.

Adopt the SASE framework for improved security in cloud networks.

According to Gartner the future of network security is in the cloud, with SASE-Secure Access Service Edge-serving as the new paradigm for software-defined secure access. CloudGen WAN is Barracuda’s practical implementation of the SASE concept. It combines the ease of use of SASE services with the cloud-friendliness and the proven security of Barracuda CloudGen Firewall. With Microsoft and Barracuda CloudGen WAN, you can move your network, WAN, and security infrastructures to your preferred public cloud with total confidence.


Connectivity and SD-WAN

Global secure SD-WAN service

CloudGen WAN brings full SD-WAN functionality to Azure Virtual WAN, Microsoft's native hybrid cloud service. Secure SD-WAN dynamically selects the most suitable uplink for each application in real time, based on traffic characteristics, available bandwidth, and latency between VPN endpoints. This lets you replace MPLS lines by globally connecting your sites via the Microsoft Global Network, the world's fasted private network. Purpose-built for the cloud, CloudGen WAN provides seamless, automated access to your business-critical resourses, leveraging a rich feature-set including:

  • Adaptive bandwidth protection
  • Adaptive session balancing
  • Forward error correction (FEC)
  • SD-WAN breakout
  • Dynamic bandwidth and latency detection
  • Performance-based transport selection
  • TINA-Barracuda's proprietary VPN protocol
  • Site-to-site connectivity
  • Failover link support
  • Dynamic quality of service
  • WAN compression

Azure Virtual WAN

Directly deployed from Azure marketplace, the CloudGen WAN gateway becomes a part of Microsoft's Azure Virtual Hub and, together with CloudGen WAN site devices, ensures optimized connectivity from every branch office to the nearest Azure Cloud entry point. Barracuda supports dynamic path selection across multiple ISPs for Azure Virtual WAN, giving you failsafe, always-on cloud connectivity. The close integration with native Azure services seamlessly integrates Barracuda CloudGen WAN into your Azure cloud infrastructure.

Management and Automation

Simple to deploy

CloudGen WAN is easy to set up and does not require specialized IT skills. Directly deployed from Azure marketplace, the service works out of the box with smart default configuration, suitable for all cloud and SaaS applications. CloudGen WAN runs natively as a SaaS service inside one or multiple Azure Virtual WAN regions and provides easy, automated access to the Microsoft Global Network. The service can either be rolled out to all locations as a pure SD-WAN solution alongside existing firewalls or as a secure SD-WAN solution replacing existing firewalls.

Zero-touch site deployment

Zero-touch deployment lets you deploy CloudGen WAN site devices directly from the factory to the desired remote location without requiring on-site IT personnel. Simply connect the unit and power it up. With no need for manual configuration on-site, zero-touch deployment allows you to deploy CloudGen WAN site devices across widely distributed organizations easily, rapidly, and at very low cost.

Simple to operate

Directly managed via the CloudGen WAN management portal for all regions and all sites across your global WAN, regardless of the number of cloud entry points or locations. The central cloud portal offers the highest degree of automation and unparalleled ease of use. CloudGen WAN continuously monitors and optimizes network performance to ensure uninterrupted always-on connectivity and high quality of service levels for your business-critical traffic and applications.


Advanced multi-layered security

CloudGen WAN is built on the same technology as CloudGen Firewall, Barracuda's battle-tested enterprise firewall ("Recommended" in NSS Labs NGFW Group Test 2019). Purpose-built for the cloud, CloudGen WAN provides advanced multi-layered security to protect your business-critical resourses, leveraging a rich feature-set including:

  • Advanced Threat Protection
  • Intrusion detection and prevention
  • Malware protection
  • SSL inspection
  • Stateful deep packet inspection
  • Single pass architecture
  • URL filtering--application-based ACL


Front View
Front View

Rear View
Rear View

Barracuda CloudGen WAN T400
Site performance up to 1.5 Gbps
Recommended number of users 300-1,000
Concurrent sessions 500,000
New session/s 20,000
Port Density 8x 1 GbE Copper
2x 10 GbE Optical Fiber SFP+
USB 2.0 2
Serial console 1 [RJ45]
Data Storage
Mass Storage
Type SSD
Size 80 GB or higher
Appliance weight 7.5 kg
Carton weight with appliance 10.2 kg
Appliance size: (WxDxH) 430 x 450 x 44 mm
Carton size: (WxDxH) 620 x 590 x 471 mm
Form factor 1U Rack Mount
Display Yes
Hardware crypto accelerator -
Cooling Fan
Power supply Single, internal (standard)
Dual hot swap, internal (F20)
Noise emission N/A
Operating temperature 0 to +40°C
Storage temperature -20 to +60°C
Operating humidity 5% to 95% non-condensing
Certifications & Compliance
CE emissions Yes
CE electrical safety Yes
FCC emissions Yes
ROHS compliant Yes
Power & Efficiency
Power supply type Internal
Power type AC
Input rating 100-240 Volts
Input frequency 50-60 Hz
Auto sense Yes
Wattage / max. power draw 250W
Max. power draw (@ 230V) 2.6 A
Max. heat dissipation 250W
Max. heat dissipation 1024 BTU
Energy efficiency > 80% average

Model Comparison:

CloudGen WAN gateways (hosted in Microsoft Azure)

Scale Unit 2 4 10 14 20 30 40 60 80
Aggregated bandwidth 1 Gbps 2 Gbps 5 Gbps 7 Gbps 10 Gbps 15 Gbps 20 Gbps 30 Gbps 40 Gbps
Max. single tunnel performance 500 Mbps 1 Gbps 2.5 Gbps 3.5 Gbps 5 Gbps 7 Gbps 10 Gbps 15 Gbps 15 Gbps

CloudGen WAN site devices

Model: T100 T200 T400 T600 T900
Site performance up to 300 Mbps 700 Mbps 1.5 Gbps 1.5 Gbps 9.3 Gbps
Recommended number of users 50-100 150-300 300-1,000 1,000-4,000 6,000-9,000
Concurrent sessions 80,000 250,000 500,000 2,100,000 4,000,000
New session/s 8,000 12,000 20,000 20,000 20,000
Form factor Desktop Desktop 1U rack mount 1U rack mount 1U rack mount
Copper ethernet NICs [GbE] 4x1 6x1 8x1 10x1 8x1
Fiber NICs (SFP) [GbE] - - - 8x1 8x1
Fiber NICs (SFP+) [GbE] - - 2x10 2x10 4x10
Fiber NICs (QSFP+) [GbE] - - - - 2x40
Integrated switch - 8-port - - -

Technical Specs

Global secure SD-WAN service

  • Adaptive bandwidth protection
  • Adaptive session balancing
  • Forward error correction
  • Support for SD-WAN breakout
  • Dynamic bandwidth and latency detection
  • Performance-based transport selection
  • FIPS-140-2-certified TINA VPN protocol extension
  • Seamless site-to-site connectivity
  • Automatic failover and load balancing
  • Dynamic Quality of Service
  • WAN compression

Seamless Azure Virtual WAN integration

  • Support for multiple ISP per site
  • Dynamic path selection

Simple to operate

  • One single management interface for all regions and sites across an organization’s WAN
  • Continuous monitoring and optimizing
  • Highest level of automation for superior Quality-ofService and uninterrupted always-on connectivity for business-critical traffic and applications

Simple to deploy

  • Deployment directly via Azure Marketplace
  • Smart default configurations
  • Native SaaS service in Azure
  • Automates access to Microsoft Global Network
  • Run either as pure-play SD-WAN solution next to existing security devices or as Secure SD-WAN solution replacing existing security devices

Zero-touch site deployment

  • No in-house pre-configuration
  • No manual configuration on-site
  • Site device installation without special-trained IT personnel on-site

Advanced multi-layered security

  • Stateful deep packet inspection
  • Single-pass architecture
  • Advanced threat protection
  • Intrusion detection and prevention
  • Malware protection
  • SSL inspection
  • URL filtering
  • Application-based access control list


Download the Barracuda Networks CloudGen WAN Data Sheet (PDF)

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Download the Barracuda Networks CloudGen WAN Product Overview Data Sheet (PDF)

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Pricing Notes:

Barracuda Products
Barracuda CloudGen WAN T400
Barracuda CloudGen WAN T400C
Our Price: Request a Quote
Barracuda Networks Energize Updates
Energize Updates include Basic Support (Email 24x7, Phone 9am-5pm PST), Firmware Maintenance and Updates, Security Updates, and optional participation in the Barracuda Early Release Firmware program.
Barracuda CloudGen WAN T400 1 Year Energize Updates Subscription
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