You can use DHCP option 82, also known as the DHCP relay agent information option, to help protect against attacks such as spoofing (forging) of IP addresses and MAC addresses and from DHCP IP address starvation.
| Product / Application | Software | Introduced Release |
|---|---|---|
| ACX710 | Junos OS | 20.2R1 |
| ACX5000 | Junos OS | 15.1X54-D51 |
| ACX5448-D | Junos OS | 19.3R1 |
| ACX5448-M | Junos OS | 19.3R1 |
| ACX5448 | Junos OS | 18.2R1 |
| EX2300 | Junos OS | 15.1X53-D50 |
| EX2300-C | Junos OS | 15.1X53-D50 |
| EX2300 Multigigabit | Junos OS | 18.1R2 |
| EX3400 | Junos OS | 15.1X53-D50 |
| EX3400-VC | Junos OS | 15.1X53-D50 |
| EX4000-8P | Junos OS | 24.4R1-S2 |
| EX4000-12P | Junos OS | 24.4R1-S2 |
| EX4000-12MP | Junos OS | 24.4R1-S2 |
| EX4000-12MP | Junos OS | 24.4R1 |
| EX4000-12T | Junos OS | 24.4R1-S2 |
| EX4000-24P | Junos OS | 24.4R1-S2 |
| EX4000-24MP | Junos OS | 24.4R1-S2 |
| EX4000-24MP | Junos OS | 24.4R1 |
| EX4000-24T | Junos OS | 24.4R1-S2 |
| EX4000-48P | Junos OS | 24.4R1-S2 |
| EX4000-48MP | Junos OS | 24.4R1-S2 |
| EX4000-48MP | Junos OS | 24.4R1 |
| EX4000-48T | Junos OS | 24.4R1-S2 |
| 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 |
| EX4650-48Y | Junos OS | 18.3R1 |
| EX9200 | Junos OS | 12.3R2 |
| EX9251 | Junos OS | 18.1R1 |
| EX9253 | Junos OS | 18.2R1 |
| MX204 | Junos OS | 17.4R1 |
| MX240 | Junos OS | 14.1R1 |
| MX301 | Junos OS | 25.4R1 |
| MX304 | Junos OS | 23.1R1 |
| MX480 | Junos OS | 14.1R1 |
| MX960 | Junos OS | 14.1R1 |
| MX10003 | Junos OS | 17.3R1 |
| NFX250 | Junos OS | 15.1X53-D40 |
| QFX5110 | Junos OS | 17.2R1 |
| QFX5120-48Y | Junos OS | 18.3R1 |
| QFX5120-32C | Junos OS | 19.1R1 |
| QFX5130-32CD | Junos OS Evolved | 20.3R1 |
| QFX5130E-32CD | Junos OS Evolved | 23.4R2 |
| QFX5130-48C | Junos OS Evolved | 23.4R1 |
| QFX5130-48CM | Junos OS Evolved | 23.4R2 |
| QFX5120-48YM | Junos OS | 20.4R1 |
| QFX5200-32C | Junos OS | 15.1X53-D210 |
| QFX5210-64C | Junos OS | 18.1R1 |
| QFX5220-32CD | Junos OS Evolved | 19.1R2 |
| QFX5220-128C | Junos OS Evolved | 19.2R1 |
| QFX5240-64QD | Junos OS Evolved | 23.4R2 |
| QFX5240-64OD | Junos OS Evolved | 23.4R2 |
| QFX5241-64OD | Junos OS Evolved | 23.4X100-D40 |
| QFX5241-64QD | Junos OS Evolved | 23.4X100-D40 |
| QFX5241-32OD | Junos OS Evolved | 23.4X100-D43 |
| QFX5250-64OE-L | Junos OS Evolved | 25.2X100-D20 |
| QFX5140-24CD8O | Junos OS Evolved | 25.2X100-D20 |