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Junos OS Features Supported on cSRX

cSRX provides Layer 4 through 7 secure services in a containerized environment.

This section presents an overview of the Junos OS features on cSRX.

Supported SRX Series Features on cSRX

Table 1 provides a high-level summary of the feature categories supported on cSRX and any feature considerations.

To determine the Junos OS features supported on cSRX, use the Juniper Networks Feature Explorer, a Web-based application that helps you to explore and compare Junos OS feature information to find the right software release and hardware platform for your network. See Feature Explorer.

Table 1: SRX Series Features Supported on cSRX

Feature

Considerations

Application Firewall (AppFW)

Application Firewall Overview

Application Identification (AppID)

Understanding Application Identification Techniques

Application Tracking (AppTrack)

Understanding AppTrack

Basic firewall policy

Understanding Security Basics

Brute force attack mitigation

Central management

CLI only. No J-Web support.

DDoS protection

DoS Attack Overview

DoS protection

DoS Attack Overview

Interfaces

A cSRX container supports 17 interfaces:

  • 1 Out-of-band management Interface (eth0)

  • 16 In-band interfaces (ge-0/0/0 to ge-0/0/15).

Network Interfaces

Intrusion Detection and Prevention (IDP)

For SRX Series IPS configuration details, see:

Understanding Intrusion Detection and Prevention for SRX Series

IPv4 and IPv6

Understanding IPv4 Addressing

Understanding IPv6 Address Space

Jumbo frames

Understanding Jumbo Frames Support for Ethernet Interfaces

Malformed packet protection

Network Address Translation (NAT)

Includes support for all NAT functionality on the cSRX platform, such as:

  • Source NAT

  • Destination NAT

  • Static NAT

  • Persistent NAT and NAT64

  • NAT hairpinning

  • NAT for multicast flows

For SRX Series NAT configuration details, see:

Introduction to NAT

Routing

Basic Layer 3 forwarding with VLANs.

Layer 2 through 3 forwarding functions: secure-wire forwarding or static routing forwarding

SYN cookie protection

Understanding SYN Cookie Protection

System Logs and Real-Time Logs

Starting in Junos OS Release 20.1R1, you can monitor traffic using system logs and RTlogs.

User Firewall

Includes support for all user firewall functionality on the cSRX platform, such as:

  • Policy enforcement with matching source identity criteria

  • Logging with source identity information

  • Integrated user firewall with active directory

  • Local authentication

For SRX Series user firewall configuration details, see:

Overview of Integrated User Firewall

Unified Threat Management (UTM)

Includes support for all UTM functionality on the cSRX platform, such as:

  • Antispam

  • Sophos Antivirus

  • Web filtering

  • Content filtering

For SRX Series UTM configuration details, see:

Unified Threat Management Overview

For SRX Series UTM antispam configuration details, see:

Antispam Filtering Overview

Zones and zone-based IP spoofing

Understanding IP Spoofing

SRX Series Features Not Supported on cSRX

Table 2 lists SRX Series features that are not applicable in a containerized environment, that are not currently supported, or that have qualified support on cSRX.

Table 2: SRX Series Features Not Supported on cSRX

                                              

SRX Series Feature

Application Layer Gateways

Avaya H.323

Authentication with IC Series Devices

Layer 2 enforcement in UAC deployments

Note:

UAC-IDP and UAC-UTM also are not supported.

Class of Service

High-priority queue on SPC

Tunnels

Data Plane Security Log Messages (Stream Mode)

TLS protocol

Diagnostics Tools

Flow monitoring cflowd version 9

Ping Ethernet (CFM)

Traceroute Ethernet (CFM)

DNS Proxy

Dynamic DNS

Ethernet Link Aggregation

LACP in standalone or chassis cluster mode

Layer 3 LAG on routed ports

Static LAG in standalone or chassis cluster mode

Ethernet Link Fault Management

Physical interface (encapsulations)

ethernet-ccc

ethernet-tcc

extended-vlan-ccc

extended-vlan-tcc

Interface family

ccc, tcc

ethernet-switching

Flow-Based and Packet-Based Processing

End-to-end packet debugging

Network processor bundling

Services offloading

Interfaces

Aggregated Ethernet interface

IEEE 802.1X dynamic VLAN assignment

IEEE 802.1X MAC bypass

IEEE 802.1X port-based authentication control with multisupplicant support

Interleaving using MLFR

PoE

PPP interface

PPPoE-based radio-to-router protocol

PPPoE interface

Promiscuous mode on interfaces

VPNs

Acadia - Clientless VPN

DVPN

Multicast for AutoVPN

IPsec

All variants of IPsec are not supported.

IPv6 Support

DS-Lite concentrator (also known as AFTR)

DS-Lite initiator (also known as B4)

Log File Formats for System (Control Plane) Logs

Binary format (binary)

WELF

Miscellaneous

AppQoS

Chassis cluster

GPRS

Hardware acceleration

High availability

J-Web

Logical systems

MPLS

Outbound SSH

Remote instance access

RESTCONF

Sky ATP

SNMP

Spotlight Secure integration

USB modem

Wireless LAN

MPLS

CCC and TCC

Layer 2 VPNs for Ethernet connections

Network Address Translation

Maximize persistent NAT bindings

Packet Capture

Packet capture

Note:

Only supported on physical interfaces and tunnel interfaces, such as gr, ip, and st0. Packet capture is not supported on a redundant Ethernet interface (reth).

Routing

BGP extensions for IPv6

BGP Flowspec

BGP route reflector

Bidirectional Forwarding Detection (BFD) for BGP

CRTP

Switching

Layer 3 Q-in-Q VLAN tagging

Unsupported System Logs and Real-Time log functions

cSRX does not support all the log functions supported on other SRX devices or vSRX instances due to limited CPU power and disk capacity.

Unsupported system logs and real-time log functions on cSRX are:

  • The binary log

  • On box logs (the LLMD daemon is not ported.)

  • On box reports (the LLMD daemon is not ported.)

  • TLS is not supported for sending stream mode security log to remote log server.

  • LSYS and Tenant related functions.

Transparent Mode

UTM

Unified Threat Management

Express AV

Kaspersky AV

Upgrading and Rebooting

Autorecovery

Boot instance configuration

Boot instance recovery

Dual-root partitioning

OS rollback

User Interfaces

NSM

SRC application

Junos Space Virtual Director

Application Security

SSL proxy