--- title: BIG-IP Carrier-Grade Network Address Translation (CGNAT) Reviews meta\_title: 'BIG-IP Carrier-Grade Network Address Translation (CGNAT) Reviews 2026: Details, Pricing, & Features | G2' meta\_description: Filter reviews by the users' company size, role or industry to find out how BIG-IP Carrier-Grade Network Address Translation (CGNAT) works for a business like yours. aggregate\_rating: rating\_value: 4.3 review\_count: 2 scale: '5' date\_modified: '2025-10-31' parent\_category: name: IT Infrastructure url: https://www.g2.com/categories/it-infrastructure ---

# BIG-IP Carrier-Grade Network Address Translation (CGNAT) Reviews & Product Details

F5's BIG-IP Carrier-Grade Network Address Translation is a robust solution designed to address the challenges of IPv4 address exhaustion and facilitate a seamless transition to IPv6. By efficiently managing IP address resources, it ensures uninterrupted connectivity for both existing and new applications, even amidst increasing demands from consumers and devices. Key Features and Functionality: - Network Scalability: Supports a high number of IP address translations, rapid NAT translation setup rates, and substantial throughput, enabling service providers to manage extensive concurrent sessions effectively. - IPv4 and IPv6 Support: Facilitates the coexistence of IPv4 and IPv6 devices and applications, ensuring a smooth migration path without the need for costly hardware upgrades. - Security Integration: When combined with BIG-IP Advanced Firewall Manager , it offers a comprehensive security platform that includes DDoS protection, access control lists , and intrusion prevention systems . - Flexible Deployment Options: Available as high-performance hardware appliances, virtual network functions , cloud-native network functions , or in hybrid configurations, providing adaptability to various network architectures. Primary Value and User Solutions: BIG-IP CGNAT addresses the critical issue of IPv4 address depletion by enabling service providers to extend the usability of existing IPv4 resources while planning for a seamless transition to IPv6. Its high scalability and performance ensure that networks can handle increasing traffic demands without compromising on speed or reliability. The integration with advanced security features allows for a consolidated approach to network management, reducing operational complexities and costs. By offering flexible deployment options, it caters to diverse network environments, ensuring that service providers can maintain optimal performance and security as they evolve their infrastructure.

* * *

Seller
[F5](https://www.g2.com/sellers/f5-f6451ada-8c47-43f5-b017-58663a045bc5)
Discussions
[BIG-IP Carrier-Grade Network Address Translation (CGNAT) Community](https://www.g2.com/products/big-ip-carrier-grade-network-address-translation-cgnat/discuss)

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DH

Daniel H.

Team Manager IT-Servicedesk / IT-Administration

Mid-Market (51-1000 emp.)

8/18/2025

"BIG-IP CGNAT as a key technology for IPv6 migration and network scaling"

3.5/5

What do you like best about BIG-IP Carrier-Grade Network Address Translation (CGNAT)?

BIG-IP CGNAT is a powerful and future-proof solution for network operators who want to prepare their infrastructure for IPv6 while efficiently managing the existing IPv4 environment. The platform offers high scalability, security, and flexibility, but requires technical expertise and careful planning during implementation. Review collected by and hosted on G2.com.

What do you dislike about BIG-IP Carrier-Grade Network Address Translation (CGNAT)?

Technical Disadvantages

High complexity in configuration and operation

Limitations in peer-to-peer and real-time communication (e.g., VoIP, online gaming)

Reduced transparency due to shared use of public IP addresses

Complex logging and user assignment

NAT traversal can be problematic

Business Disadvantages

High license and hardware costs

Increased administrative and maintenance effort

Limited performance in virtualized environments

Strategic Disadvantages

Transitional technology with limited future prospects (IPv6 will eventually replace CGNAT) Review collected by and hosted on G2.com.

What problems is BIG-IP Carrier-Grade Network Address Translation (CGNAT) solving and how is that benefiting you?

1. IPv4 Address Shortage

Enables the shared use of a public IPv4 address by many users.

Extends the lifespan of IPv4 infrastructures.

2. Transition to IPv6

Supports hybrid environments with NAT64, DNS64, 464XLAT, etc.

Facilitates the gradual migration to IPv6 without service interruption.

3. Scalability with Growing User Numbers

Handles millions of concurrent sessions with high performance.

Ideal for large networks such as ISPs or mobile operators.

4. Compliance with Legal Requirements

Enables detailed logging and user assignment (Subscriber Awareness).

Supports legally compliant logging for law enforcement and data protection.

5. Consolidation of Network Functions

Integrates NAT, firewall, DDoS protection, and traffic management into one platform.

Reduces complexity and operational costs.

6. Improvement of Network Security

Protection against DDoS attacks and unwanted traffic through integrated security features.

Control over incoming and outgoing traffic. Review collected by and hosted on G2.com.

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Validated ReviewerIncentivizedSource: G2 inviteAI Translated

AA

Ankit A.

Small-Business (50 or fewer emp.)

11/10/2023

"Product which is referred by big Govt. dept."

5/5

What do you like best about BIG-IP Carrier-Grade Network Address Translation (CGNAT)?

Everything is best about big-ip, it's working is so user friendly that even every government department wants this product. Easy to implement. Review collected by and hosted on G2.com.

What do you dislike about BIG-IP Carrier-Grade Network Address Translation (CGNAT)?

i dont feel like disliking this product at all, everything is so smooth and clear. Review collected by and hosted on G2.com.

What problems is BIG-IP Carrier-Grade Network Address Translation (CGNAT) solving and how is that benefiting you?

Benefitting the organisation to work in a smooth and better way, best way to control unncessary traffic. Review collected by and hosted on G2.com.

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Validated ReviewerSource: Organic

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##### Pricing

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