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SRX300-JSB
JUNOS Software Base - SRX300
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SRX300-JSB-JUNOS Software Base - SRX300 is a specialized operating system designed for network security appliances within the SRX300 product line. It provides the essential security and management features required for firewall, intrusion prevention, and threat management in IT environments ranging from SMBs to enterprises, backed by an OEM license with lifetime usage rights.
SRX300-JSB-JUNOS Software Base - SRX300 is pre-installed on Juniper’s SRX300 devices, ensuring a seamless digital delivery as part of the hardware package and eliminating the need for separate activation. Its design targets IT management and security use cases without dependence on traditional desktop platforms such as Windows, macOS, or Linux, making it an optimal choice for robust, embedded network defense.
SRX300-JSB price is $228.00, a 60.1% saving from the Juniper list price of $571.00. SRX300-JSB is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SRX300-JSB for additional pricing. Browse the full Juniper Security Licenses series or explore all Juniper products.
To get the detailed certification, please go to the Compliance Center.
| SRX300-JSB |  SRX3K-SVCS-OFFLOAD-RTU |  SRX4100-AC |  SRX5800-APPSEC1-BB |  SRX4100-JSE | |
|---|---|---|---|---|---|
| Product Type | Software License | Software License | Hardware | Software License | Software License |
| Software Category | Security | Security | Security | Security | Operating System |
| License Type | OEM | N/A | N/A | Subscription | OEM |
| License Duration | Lifetime | N/A | N/A | 1 Year | Lifetime |
| Use Case | Business | Enterprise | Enterprise | Enterprise | Enterprise |
| User Count | Unlimited | N/A | N/A | N/A | N/A |
| Device Count | N/A | 1 Device | N/A | N/A | 1 Device |
| Platform Compatibility | N/A | Cross-Platform | N/A | N/A | Cross-Platform |
| Delivery Method | Digital Key | Digital Key | N/A | Digital Key | Digital Key |
| Activation Type | Not Required | Not Required | N/A | Online Activation | Online Activation |
| Language Support | English | English | N/A | English | English |
| Bit Version | 64-bit | N/A | N/A | N/A | N/A |
| Cloud Integration | N/A | N/A | N/A | N/A | N/A |
| Software Format | Downloadable | N/A | N/A | N/A | Downloadable |
| Support Included | Yes | Yes | Yes | Yes | Yes |
| Product Name | SRX300-JSB-JUNOS Software Base - SRX300 | SRX3K-SVCS-OFFLOAD-RTU-Services Offload License (now Express Path), SRX3400, SRX3600, License not required from Junos 12.3X48-D10 and up | SRX4100-AC-SRX4100 hardware with two AC PSU, Four Fan Trays, RMK | SRX5800-APPSEC1-BB-1 year bundled Subscription for Application Security and IPS updates for SRX5800 | SRX4100-JSE-JunOS Enhanced software for SRX4100 |
| License Key Included | No | No | No | Yes | Yes |
| ESD (Electronic Software Delivery) | Yes | Yes | No | Yes | Yes |
| Renewable | N/A | N/A | N/A | Yes | No |
| Compliance Certifications | N/A | N/A | N/A | N/A | N/A |
| Product Region | Global | Global | Global | Global | Global |
SRX300-JSB fits our remote sites well. Strong stability, easy baseline configuration, and reliable VPN tunnels make it a dependable security gateway for small office environments.
Great entry-level SRX for branch firewalling and VPN.
Predictable performance with clean policy management.
Reliable device for securing small networks and WAN links.
Setup was quick and it has remained stable since.
Good balance of security features and ease of use.
Consistent VPN uptime for our remote staff access.
JUNOS Software Base for SRX300 (SKU: SRX300-JSB) is the foundational operating system license that delivers core routing, switching, and security services on the Juniper SRX300 Series firewall.
The base package provides Layer 2/Layer 3 routing, firewall policies, Network Address Translation (NAT), basic VPN, and security zone enforcement capabilities.
No additional license is required; SRX300-JSB is the single license component that activates all base feature sets on the SRX300 device.
Upload the SRX300-JSB package to the device via CLI or J-Web, then commit the software by issuing ‘request system software add <package-file> reboot’ in operational mode.
SRX300-JSB requires an SRX300 Series appliance with at least 512 MB DRAM, 2 GB flash storage, and JUNOS OS 12.3R12 or later.
Yes, you can upgrade directly from any supported JUNOS release by downloading the latest SRX300-JSB package and following the standard software add procedure.
Run ‘show version’ in operational mode; the output lists the active JUNOS OS version and SRX300-JSB package level.
Technical support requires an active Juniper Care or Juniper Care Plus contract; the SRX300-JSB license does not include support by itself.
Contact a Juniper authorized reseller or partner and reference SKU SRX300-JSB; renewal quotes are available through the Juniper licensing portal.
The base license supports static routing, OSPF, RIP, IS-IS, and BGP for dynamic route exchange.
Yes, the base software includes chassis clustering for active/standby high availability configurations.
Included are stateful firewall, policy-based NAT, zone-based firewall enforcement, and basic IPsec VPN.
In configuration mode, define security zones, then create ‘set security policies’ statements specifying source/destination zones, applications, and actions.
Access the Juniper TechLibrary online for the SRX300 Series, which includes installation guides, configuration examples, and release notes.
Juniper follows a published EOL timeline; major releases receive software updates for at least five years from general availability—verify exact dates on Juniper’s Product Life Cycle page.
Review the installation log via ‘show system software add’ errors, confirm package integrity with checksum validation, and verify sufficient flash space.