Sorry, you need to enable JavaScript to visit this website.
Skip to main content

Junos OS 18.1R3-S2.1 for EX4300 series Ethernet switches

Junos 0S 18.1R3-S2.1
Product Type
Network and Network Related Devices and Systems
Product Status
Assurance Level
Protection Profile
Assurance Level Notes
NDcPP version 2.0 + Errata 20190314
Product Components
EX4300 series Ethernet switches
Product Description

The Target of Evaluation (TOE) is Juniper Networks, Inc. Junos OS 18.1R3-S2.1 executing on EX4300 Ethernet Switches. 

Each Ethernet Switch is a secure network device that protects itself largely by offering only a minimal logical interface to the network and attached nodes. All switching platforms are powered by the Junos OS software, Junos OS 18.1R3-S2.1, which is a special purpose OS that provides no general purpose computing capability. Junos OS provides both management and control functions as well as all IP switching. 

The Ethernet Switches primarily support the definition of, and enforce, information flow policies among network nodes.  All information flow from one network node to another passes through an instance of the TOE. Information flow is controlled on the basis of network node addresses and protocol. In support of the information flow security functions, the TOE ensures that security-relevant activity is audited, and provides the security tools to manage all of the security functions.

Ethernet switch module

Network ports



  • EX4300-24T 24-port 10/100/1000BASE-T
  • EX4300-24P 24-port 10/100/1000BASE-T
  • EX4300-48T 48-port 10/100/1000BASE-T
  • EX4300-48P 48-port 10/100/1000BASE-T
  • EX4300-48T-AFI 48-port 10/100/1000BASE-T
  • EX4300-48T-DC 48-port 10/100/1000BASE-T
  • EX4300-48T-DC-AFI 48-port 10/100/1000BASE-T
  • EX4300-48MP 24-port 10/100/1000BASE-T, 24-port 100/1000/2500/5000/10000BASE-T
  • EX4300-32F 32-port 100/1000BASE-X
  • EX4300-32F-DC 32-port 100/1000BASE-X

Junos OS 18.1R3-S2.1