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Junos OS Reviews

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Reviews
VP

Vijaysing P

May 31, 2026 Source: G2.com
Rock-Solid Stability and Safe Commit-Based Configuration in Junos OS
What do you like best about Junos OS?
The feature that I like most in Junos OS is the stability of its architecture and its modularity. This ensures consistency in configuring and managing networks using Juniper devices.
What do you dislike about Junos OS?
The commit-based configuration method used by Junos provides safety and control, thus minimizing the likelihood of errors during configuration processes.
Recommendations to others considering Junos OS?
nothing to add this time everything seems fine
What problems is Junos OS solving and how is that benefiting you?
The Junos OS addresses issues like configuration discrepancies, network instability, and dangerous manual changes that are common in a big network setting.
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JK

Jeffrey K

December 18, 2025 Source: G2.com
JUNOS OS PRINCIPALS
What do you like best about Junos OS?
JUNOS OS SUPPORT FOR VIRTUALIZATION AND CLOUD INTEGRATION. THE SEPARATION OF CONTROL AND FORWARDING ALLOWS FOR INDEPENDENT OPERATION.
What do you dislike about Junos OS?
JUNOS OS HAS A STEEP LEARNING CURVE, NOT PARTICULARLY USER-FRIENDLY. ACCESS TO FEATURES OFTEN REQUIRES COMPLEX LICENSING WHICH CAN BE A BARRIER FOR SOME USERS.
What problems is Junos OS solving and how is that benefiting you?
JUNOS OS OFFERS A COMPREHENSIVE NETWORK MANAGEMENT AND MONITORING SYSTEM. OFFERS EXTENSIVE AUTOMATION CAPABILITIES THROUGH SCRIPTING AND PROGRAMMABLE INTERFACES.
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VS

Verified User in Information Technology and Services

August 11, 2025 Source: G2.com
A Stable, Consistent, and Automation-Ready Network Operating System
What do you like best about Junos OS?
Consistent CLI, rock-solid stability, and safe, automation-friendly configuration management.
What do you dislike about Junos OS?
Steep learning curve for newcomers and feature access often tied to complex licensing.
What problems is Junos OS solving and how is that benefiting you?
It solved the need for a consistent, reliable network OS across devices, reducing configuration errors and improving change safety, which saved me time and minimized downtime.
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CC

Chamroeunrith C

March 7, 2024 Source: G2.com
JunOS Stable OS for Routing and Switching
What do you like best about Junos OS?
command line similar to Cisco, easy to learn, if you have experience with cisco already not the problem at all.
What do you dislike about Junos OS?
very stable if compare with another product i used before such as hp, 3com, tplink.
Recommendations to others considering Junos OS?
its very good already, no comment about this.
What problems is Junos OS solving and how is that benefiting you?
we replace TPLINK with Juniper switch its very stable low latency in the network.
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MA

Moazzam A

August 16, 2023 Source: G2.com
JUNOS the Excellent OS for Juniper Network/security devices
What do you like best about Junos OS?
Good modular approach , gives you option to rollback the configuration .Further its regular updates and inclusion of all latest technologies like SDWAN and so , makes it better network device software for the devices specially juniper switches and firewalls, its far better than juniper previous netscreen software.
What do you dislike about Junos OS?
Power disruption intentiaonal or accidently very easily currupt the OS and configuration , its needs to be improved with any mechanism so device can return to normal on these cold boots.
What problems is Junos OS solving and how is that benefiting you?
JUNOS is helping in hte juniper devices that is switches , firewalls which we are using and being users of these devices we are daily working on this OS and found it reliable , secure and flexible with good rollback features.
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NS

Neethu S

April 7, 2023 Source: G2.com
Performance for core network
What do you like best about Junos OS?
Command level documentation is very useful for public users. Easy to learn new concepts. Used in all core networks with performance at it's peak. WebGuI is also an outstanding backup.
What do you dislike about Junos OS?
Variations in command with traditional show commands sometimes takes time to learn. Expecting better WebGUI.
What problems is Junos OS solving and how is that benefiting you?
Benefit for all my core routers. MPLS routing became easier and performance were not degraded. Security rich updates and less vulnerability helps achieving business goals easily.
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JC

Job C

April 2, 2023 Source: G2.com
Junos OS
What do you like best about Junos OS?
I like the saving configuration method, where you can perform commit-check to check if there's any syntax or configuration error before executing the commands.
What do you dislike about Junos OS?
When you're new to the Junos OS, it might be not easy to adopt to the way how you configure Juniper devices. You need some familiarity and enough knowledge to used this Junos OS
What problems is Junos OS solving and how is that benefiting you?
It has different Memory/CPU resources for services that is running that make the Juniper devices more efficient and stable on the long run.
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RZ

Rashid Z

June 18, 2022 Source: G2.com
Very lightweight.
What do you like best about Junos OS?
Easy to manage and update. No hassle of updating the boot os while updating the Junos device firmware
What do you dislike about Junos OS?
It is fragile as it is easily corrupted due to frequent power boots
What problems is Junos OS solving and how is that benefiting you?
The Junos os helps in configuration of devices for different network features. Solves common issues of routing and security. Very versatile OS.
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vk

vikram k

June 1, 2022 Source: G2.com
Junos - the network plus security OS
What do you like best about Junos OS?
Juniper's latest OS junOS is simple yet very powerful. Love the architechture.
What do you dislike about Junos OS?
Wish they had easier config options from GUI. Clustering is a little complicated too. For a trained resource its not but when compared with product like Pan Os where upgrade is so simple, it lacks behind.
What problems is Junos OS solving and how is that benefiting you?
Securing my network as we as connecting huge enterprisr networks in single OS and single appliance.
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VT

Vishnu T

February 20, 2022 Source: G2.com
Junos OS effective and simple
What do you like best about Junos OS?
Junos OS is is user friendly and yet effective with all the in built security features.
What do you dislike about Junos OS?
Nothing as such to dislike about Junos OS.
Recommendations to others considering Junos OS?
junos OS is built with all security features so it is quite safe to use yet easy to handle for users.
What problems is Junos OS solving and how is that benefiting you?
It gives fantastic user experience and also secure.
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