Unicast reverse-path forwarding (RPF) helps protect the Juniper device against denial-of-service (DoS) and distributed DDoS (DDoS) attacks by verifying the unicast source address of each packet that arrives on an ingress interface where unicast RPF is enabled. It also helps ensure that traffic arriving on ingress interfaces comes from a network source that the receiving interface can reach.
| Product / Application | Software | Introduced Release |
|---|---|---|
| ACX710 | Junos OS | 20.2R1 |
| ACX4000 | Junos OS | 12.3X54-D10 |
| ACX5448-D | Junos OS | 19.3R1 |
| ACX5448-M | Junos OS | 19.3R1 |
| ACX5448 | Junos OS | 18.3R1 |
| EX3400 | Junos OS | 15.1X53-D50 |
| EX3400-VC | Junos OS | 15.1X53-D50 |
| EX4000-12MP | Junos OS | 24.4R1 |
| EX4000-24MP | Junos OS | 24.4R1 |
| EX4000-48MP | Junos OS | 24.4R1 |
| EX4100 | Junos OS | 22.2R1 |
| EX4100-F | Junos OS | 22.2R1 |
| EX4100-H-12MP | Junos OS | 24.4R1 |
| EX4100-H-24F | Junos OS | 24.4R1 |
| EX4100-H-24MP | Junos OS | 24.4R1 |
| EX4100 Multigigabit | Junos OS | 22.2R1 |
| EX4300 | Junos OS | 13.2X50-D10 |
| EX4300-VC | Junos OS | 13.2X50-D10 |
| EX4300 Multigigabit | Junos OS | 18.2R1 |
| EX4400 | Junos OS | 21.1R1 |
| EX4400 Multigigabit | Junos OS | 21.2R1 |
| EX4400-24X | Junos OS | 23.1R1 |
| EX4600 | Junos OS | 13.2X51-D25 |
| EX4600-VC | Junos OS | 13.2X51-D25 |
| EX4650-48Y | Junos OS | 18.3R1 |
| PTX1000 | Junos OS | 16.1X65-D30 |
| PTX3000 | Junos OS | 15.1F6 |
| PTX5000 | Junos OS | 15.1F6 |
| PTX10008 | Junos OS | 17.2R1 |
| PTX10016 | Junos OS | 17.4R1 |
| QFX5100 | Junos OS | 13.2X51-D10 |
| QFX5110 | Junos OS | 15.1X53-D210 |
| QFX5120-48Y | Junos OS | 18.3R1 |
| QFX5120-32C | Junos OS | 19.1R1 |
| QFX5120-48T | Junos OS | 20.2R1 |
| QFX5120-48YM | Junos OS | 20.4R1 |
| QFX5200-32C | Junos OS | 15.1X53-D30 |
| QFX5210-64C | Junos OS | 18.1R1 |
| QFX10008 | Junos OS | 15.1X53-D30 |
| QFX10016 | Junos OS | 15.1X53-D60 |
| QFX10002-60C | Junos OS | 18.1R1 |
| SRX300 | Junos OS | 15.1X49-D35 |
| SRX320 | Junos OS | 15.1X49-D35 |
| SRX340 | Junos OS | 15.1X49-D35 |
| SRX345 | Junos OS | 15.1X49-D35 |
| SRX380 | Junos OS | 20.1R1 |
| SRX550 | Junos OS | 12.1R1 |
| SRX550 HM | Junos OS | 15.1X49-D30 |