You can license F5 BIG-IP Virtual Edition for a lab in two ways. F5's free trial gives you 30 days, capped at 1 Mbps, with LTM, Advanced WAF, Network Firewall (AFM) and Zero Trust Access, and you request it in MyF5. For longer work, F5 sells a lab license through its partners: perpetual, single-use and capped at 10 Mbps, for lab use. Either way, BIG-IP VE runs in GNS3 like any other QEMU appliance: you get the image and the key from F5, then activate the key from the BIG-IP's System, License screen.
Without a license, BIG-IP boots and loads its configuration, but it passes no traffic, so a GNS3 topology built around it tests nothing. This guide covers which license fits your timeline, how to request it, how to activate it inside GNS3, and the limits that catch people out.
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The usual mistake is a timeline mismatch: starting months of certification prep on a 30-day trial, or assuming a lab needs a production license. Match the license to how long the lab has to live, and most of the confusion goes away.
Table of contents
No time to read? Watch our video on BIG-IP licensing and initial setup in a GNS3 pod.
For most GNS3 users, the choice comes down to two options: the free trial when your timeline is short, and a paid lab license when it is not. Here is how they compare with a production license, from F5's BIG-IP VE trial page and F5's own guidance on trial and lab licenses.
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|
Trial license |
Lab license |
Production license |
|---|---|---|---|
|
Cost |
Free |
Paid. F5 publishes no price; you buy it through F5 sales, a partner or a distributor |
Quoted by F5 |
|
Term |
30 days |
Perpetual |
Per contract or subscription |
|
Throughput cap |
1 Mbps |
10 Mbps |
Set by the license you buy |
|
Modules |
LTM, Advanced WAF, Network Firewall (AFM), Zero Trust Access |
Set by the lab SKU |
The modules you buy |
|
Best for |
Short POCs and evaluations |
Certification prep, automation development, team training |
Live application traffic, not labs |
CloudMyLab does not supply BIG-IP VE images or F5 license keys. You source the image and the license directly from F5 or an authorized distributor, then bring them into your lab. What CloudMyLab's hosted GNS3 covers is the infrastructure underneath: compute, storage, isolation and the GNS3 build itself, so the only F5-specific work left is the licensing flow you would do anyway.
Lab software often works like open-source tools: download it and go. BIG-IP does not. An unlicensed or expired BIG-IP still loads its configuration and lets you edit it, but it does not pass traffic, so load balancing, security policies and SSL offload all sit idle.
Three mistakes come up again and again:
Match the license type to your timeline instead. A two-week POC fits a trial. Building automation over several months calls for a lab license.
Here is what engineers typically use F5 for in a GNS3 lab.
Load balancing without production risk. Before a new application delivery design goes live, you can model the network topology in GNS3, with server pools, health monitors and persistence profiles, and break it repeatedly until the failover behaves the way you expect.
Security policies that do not cause outages. Web application firewall rules often block legitimate traffic on the first attempts. In a lab, that costs you a retry. In production, it costs an outage. Advanced WAF and Zero Trust Access policies need a sandbox, and GNS3 gives you one.
Multi-vendor reality checks. Your F5 sits between Cisco routers, firewalls and switches from other vendors. GNS3 lets you test those integrations, such as how your routing design interacts with F5 route domains, before they surprise you in production.
Automation you can trust. Building Ansible playbooks for F5 or testing Python scripts against BIG-IP means breaking the configuration many times during development. A licensed lab gives you unlimited do-overs, with no change windows, until your automation is reliable.
A trial covers a short project. For ongoing development or certification prep, plan on a lab license. Wondering how EVE-NG compares for F5 labs? Read the GNS3 vs EVE-NG comparison.
F5 offers several license types, but two matter for GNS3 users.
Trial license. F5's free BIG-IP VE trial runs 30 days and is capped at 1 Mbps of throughput. It includes LTM, Advanced WAF, Network Firewall (AFM) and Zero Trust Access, together with BIG-IQ Virtual Edition. The 30 days count from activation, and reactivating the same key does not extend them, so start the trial when the lab is ready, not when you first plan it.
Lab license. F5 describes the BIG-IP VE lab license as a low-cost developer license. It is perpetual and single-use, capped at 10 Mbps, and meant for lab work. You order it from F5 sales, an F5 partner or a distributor, and F5 delivers the key by email after the order is fulfilled. The SKU name ends in a version, F5-BIG-VE-LAB-V followed by a number, which is the highest BIG-IP major version that license activates, so ask for the one that matches the version you plan to run.
Production licenses exist for live traffic. A lab does not need one.
If there is any doubt about your timeline, lean toward a lab license. An expired trial means rebuilding on a new instance, which costs you configuration and study momentum.
Choose the trial if:
Choose a lab license if:
The trial flow uses a registration key that F5 issues in MyF5 and a dossier that the BIG-IP generates once it is running. Here is the sequence, from F5's trial page:
If MyF5 says trials are only available to existing F5 customers, F5 handles licensing requests outside the trials page through its sales team. Use the Contact F5 Sales route to ask for a trial or a lab license.
For longer-term work, the same activation flow runs against a paid lab license key. The only difference is where the registration key comes from.
Activation in GNS3 fails in two common ways: the BIG-IP cannot reach F5's activation server, or the key is already active on a different VM. Check the management network and use the VM you started with.
The end-to-end activation flow inside GNS3:
A licensed but unprovisioned BIG-IP behaves much like an unlicensed one, which trips up first-timers. Provisioning is the step that turns each module on.
If activation fails, check the clock first. F5 documents that a new activation fails when the BIG-IP clock and the license server differ by more than 24 hours. Then check DNS on the management interface, and any firewall in your GNS3 cloud-node path that blocks outbound HTTPS. Fix the path, then retry, or switch to manual activation.
BIG-IP VE runs on the three emulators most network engineers use. The image and the licensing flow are the same on all three. What differs is how each platform handles the VM and how easily you share a topology with a teammate.
|
Platform |
How BIG-IP VE gets in |
Where it wins |
|---|---|---|
|
GNS3 |
Import the BIG-IP VE qcow2 image as a QEMU VM |
Most flexible, with a large community library of appliances and topologies |
|
EVE-NG |
Standard QEMU image folder and template |
Web-only interface and shared labs for teams |
|
Cisco CML |
Import BIG-IP as a custom VM image |
Best Cisco-native experience, less suited to F5-heavy labs |
For a side-by-side breakdown of the emulators most relevant to F5 labs, see EVE-NG vs GNS3 and EVE-NG vs CML. For the layer that actually runs your BIG-IP, What is a GNS3 VM explains what most engineers ignore until something breaks.
The licensing flow is identical on all three platforms: a registration key plus a dossier from the running VM produces a license that you activate through the BIG-IP web UI. The platform you pick depends on the rest of the topology: which other vendors you connect, and how you share the lab.
These are the limits that matter in practice.
The license is tied to the VM. The dossier identifies the platform, including its management MAC address, so a cloned or rebuilt VM does not carry a working license. Before you delete a licensed BIG-IP, revoke the license on it so you can reuse the key on a new VM. If the old VM is already gone, F5 Support has to allow the move. Back up your GNS3 VM and the BIG-IP configuration before you change either.
One license per instance. A lab license is single-use, so an HA pair needs two licenses. Plan for this in your lab design.
Trials do not extend. The 30 days count from first activation, and reactivating the key does not add time. When a trial ends, you apply a lab license or request another trial.
Keep it out of production. Trial and lab licenses are for evaluation and lab work. Customer-facing traffic needs a production license.
Running GNS3 on CloudMyLab takes the hardware out of the picture. There is no rack or high-end workstation to buy: you sign in, build your topology, and start testing.
Because it is hosted, you can add F5 appliances to your project, connect them to other vendors, and run tests in real time. It is the same GNS3 you already know, running on infrastructure you do not maintain.
It fits if you are:
CloudMyLab offers monthly and yearly plans, so a short project and a year of continuous testing both have a fit.
CloudMyLab does not supply F5 operating system images or product licenses. You must obtain official BIG-IP VE images and valid licenses directly from F5 or an authorized distributor.
Once activated, you can test application delivery, traffic management and security configurations in an isolated environment, with no production risk.
CloudMyLab turns the DIY lab setup into a hosted service, so you spend your time on learning and design rather than maintaining infrastructure.
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Capability |
What it means for you |
|---|---|
|
No hardware needed |
Build, break and rebuild freely, with no racks or physical setup. |
|
Isolated environment |
Your lab runs in its own isolated, secure testing infrastructure. |
|
Multi-vendor topologies |
GNS3 runs F5 next to the Cisco, Juniper, Palo Alto or other images you are licensed for. |
|
Access your way |
Reach the lab through a browser, VPN or jump host. |
|
Support |
24/7/365 priority support, with onboarding and image-upload help included. |
|
Training and POC friendly |
F5 certification prep, mock deployments and automation testing. |
CloudMyLab's free 24-hour trial covers hosted EVE-NG Professional and Cisco CML. BIG-IP VE runs on EVE-NG too, so the trial shows you how a hosted lab works before you commit. For hosted GNS3, talk to our team about sizing your environment for the number of F5 devices and users you plan to run.
Start a free 24-hour trial of hosted EVE-NG
Running F5 BIG-IP in GNS3 comes down to two decisions: a trial or a lab license, and where the lab runs. CloudMyLab takes care of the second, but it does not change how F5 licensing works. You still need a valid license wherever your lab runs.
Need to test F5 first? Request a trial in MyF5. It is free for 30 days. Building for the long term? Order a lab license through F5 sales or a partner. Want the infrastructure handled? Reach out to CloudMyLab, and we will help you work out the right setup, or read how a hosted lab compares with a home lab.
Sign in to MyF5, open Trials under My Products & Plans, and start the BIG-IP Virtual Edition & BIG-IQ Virtual Edition trial. F5 issues registration keys that you paste into the BIG-IP under System, License. If the portal says trials are only for existing F5 customers, F5 routes the request to its sales team.
The trial runs 30 days and is capped at 1 Mbps of throughput. Reactivating the same key does not add time. For a longer lab, F5 points you to a paid lab license or to an F5 sales rep.
The trial is free for 30 days at 1 Mbps. The lab license is paid, perpetual and single-use, capped at 10 Mbps, and meant for lab work such as certification prep and automation development. Both activate the same way.
F5 does not publish a list price. You buy the BIG-IP VE lab license through F5 sales, an F5 partner or a distributor, and F5 calls it a low-cost option. Ask for the SKU that matches the BIG-IP major version you plan to run.
The BIG-IP still loads its configuration and lets you edit it through the management interface, but it stops passing traffic. To continue, apply a lab license or request another trial.