Release Notes: Junos® OS Release 12.1X47-D20

for the SRX Series

Release 12.1X47-D20
24 March 2015
Revision 2

Introduction
New and Changed Features
Release 12.1X47-D20 Hardware Features
Interfaces and Chassis
Release 12.1X47-D20 Software Features
System Logging
Release 12.1X47-D15 Hardware Features
Interfaces and Chassis
Release 12.1X47-D15 Software Features
Application Identification and Tracking
Authentication, Authorization and Accounting (AAA)
Chassis Cluster
Flow-Based and Packet-Based Processing
General Routing
Interfaces and Chassis
IPv6
Network Address Translation (NAT)
Network Management and Monitoring
Release 12.1X47-D10 Hardware Features
Interfaces and Chassis
Release 12.1X47-D10 Software Features
Application Identification and Tracking
Chassis Cluster
Dynamic Host Configuration Protocol (DHCP)
Flow-Based and Packet-Based Processing
General Packet Radio Service (GPRS)
Interfaces and Chassis
J-Web
Layer 2 Features
Multicast
Network Address Translation (NAT)
Network Management and Monitoring
Port Security
Public Key Infrastructure (PKI)
Routing Protocols
Security Policy
Unified Threat Management (UTM)
VPNs
Changes in Behavior and Syntax
Application Identification and Tracking
Chassis Cluster
Flow-Based and Packet-Based Processing
Intrusion Detection Prevention (IDP)
Network Time Protocol
Screens
Security
System Logging
System Management
Unified Threat Management (UTM)
VPNs
Known Behavior
Application Identification and Tracking
CLI and J-Web
Dynamic Host Configuration Protocol (DHCP)
Flow-Based and Packet-Based Processing
General Packet Radio Service (GPRS)
Hardware
Interfaces and Chassis
Integrated User Firewall
Intrusion Detection and Prevention (IDP)
IP Monitoring
IPv6
Layer 2 Transparent Mode
Network Address Translation (NAT)
TCP-Based DNS
Upgrade and Downgrade
VPNs
Known Issues
Application Identification and Tracking
Application Layer Gateways (ALGs)
Chassis Cluster
Dynamic Host Configuration Protocol (DHCP)
Flow-Based and Packet-Based Processing
Interfaces and Routing
Intrusion Detection and Prevention (IDP)
J-Web
Network Address Translation (NAT)
Platform and Infrastructure
Security Policy
System Logging
VPN
Resolved Issues
Resolved Issues 12.1X47-D20
Resolved Issues 12.1X47-D15
Resolved Issues 12.1X47-D10
Documentation Updates
Documentation Updates for the Junos OS Software Documentation
Migration, Upgrade, and Downgrade Instructions
End-of-Life Announcement for J Series devices and the low-Memory Versions of SRX100 and SRX200 Lines
Upgrading and Downgrading Among Junos OS Releases
Upgrading an AppSecure Device
Network and Security Manager Support
Upgrade and Downgrade Scripts for Address Book Configuration
About Upgrade and Downgrade Scripts
Running Upgrade and Downgrade Scripts
Upgrade and Downgrade Support Policy for Junos OS Releases and Extended End-Of-Life Releases
Hardware Requirements
Transceiver Compatibility for SRX Series Devices
Product Compatibility
Hardware Compatibility
Third-Party Components
Finding More Information
Requesting Technical Support
Revision History