JNCIE-ENT
Enterprise Routing and Switching, Expert (JNCIE-ENT)
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ExploreAbout this exam
JNCIE-ENT (exam code JPR-946) is the expert-level certification in the enterprise routing and switching track, positioned by Juniper as the pinnacle of that four-step path from JNCIA-Junos through JNCIS-ENT and JNCIP-ENT. It targets engineers who already hold JNCIP-ENT and can deploy, configure, manage and troubleshoot Junos-based enterprise routing and switching platforms without hand-holding. The exam is a six-hour hands-on lab: you build an enterprise network infrastructure of multiple routers and switching devices, perform system configuration on all of them, and configure protocols and features including IGPs, BGP, EVPN, Layer 2 features, routing policies and class of service. It is delivered by Juniper Networks in English only, and the published lab environment runs vEX Virtual Switch 25.2R1, vSRX Virtual Firewall 25.2R1 and vMX Virtual Router 23.2R2. Preparation is self-directed: Juniper recommends the JNCIE-ENT Certification Self-Study Bundle, all courses listed for the underlying certifications, and the Juniper TechLibrary, while noting these resources are not required and do not guarantee a pass. Certification is valid for three years, after which recertification applies. This page is independent study material and is not affiliated with or endorsed by Juniper Networks or HPE.
What you'll study
About JNCIE-ENT preparation
What exactly happens during the six-hour lab?
You work on a multi-device enterprise topology of routers and switches. Juniper states you build the infrastructure, perform system configuration on every device, and configure protocols and features such as IGPs, BGP, EVPN, Layer 2 features, routing policies and class of service. Expect to configure, validate and troubleshoot rather than answer multiple-choice items.
Do I need JNCIP-ENT before booking?
Yes. JNCIP-ENT is listed as the prerequisite certification for JPR-946. The track runs JNCIA-Junos, then JNCIS-ENT, then JNCIP-ENT, then JNCIE-ENT, so the professional-level exam is the intended gate before you attempt the expert lab.
Is the exam available in my language?
No. The source states the exam is only provided in English. Plan your study materials, lab notes and documentation reading around English terminology, since the tasks and any instructions you receive will be in English.
Which software versions should my lab match?
The published environment lists vEX Virtual Switch 25.2R1, vSRX Virtual Firewall 25.2R1 and vMX Virtual Router 23.2R2. Build practice topologies on those releases where you can, because CLI behavior, defaults and feature support differ between Junos versions and older habits can cost you time under exam pressure.
How should I sequence my study?
Work domain by domain against the published objectives: system management and monitoring, Layer 2 switching and features, Layer 3 switching and features, EVPN and services, and class of service. Juniper recommends the JNCIE-ENT Certification Self-Study Bundle plus the courses listed for the underlying certifications and the TechLibrary, but treats them as optional preparation.
What are the most common ways candidates lose points?
The objectives emphasize troubleshooting and validation, not just initial configuration, so candidates who configure once and move on tend to miss induced faults. Weak spots typically include routing policy outcomes, EVPN-VXLAN with MAC-VRF and CRB or ERB topologies, Layer 2 security features, and CoS classification consistency across the whole path.
How long is the certification valid?
Three years. Juniper states its certifications are valid for three years and points candidates to its recertification information. Plan to recertify before expiry rather than letting the credential lapse, and check the current recertification options on the official page.
How much does the exam cost and can I retake it?
Those details are not stated in the source material available here, so no figure or retake rule is given on this page. Check the official Juniper certification page and your exam registration portal for current pricing, scheduling and retake conditions before you commit to a date.