You can configure proxy Address Resolution Protocol (ARP) to enable the switch to respond to ARP queries for network addresses by offering its own Ethernet media access control (MAC) address. In restricted proxy ARP mode, the switch responds to ARP requests in which the physical networks of the source and target are different and does not respond if the source and target IP addresses are on the same subnet.
| Product / Application | Software | Introduced Release |
|---|---|---|
| ACX7020 | Junos OS Evolved | 25.2R1 |
| ACX7020 | Junos OS Evolved | 24.4R2 |
| ACX7024 | Junos OS Evolved | 22.3R1 |
| ACX7024X | Junos OS Evolved | 23.4R1 |
| ACX7100-32C | Junos OS Evolved | 21.2R1 |
| ACX7100-48L | Junos OS Evolved | 21.1R1 |
| ACX7332 | Junos OS Evolved | 23.4R1 |
| ACX7348 | Junos OS Evolved | 23.4R1 |
| ACX7509 | Junos OS Evolved | 21.4R1 |
| 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 | 25.2R1 |
| EX4000-8P | Junos OS | 24.4R2 |
| EX4000-8P | Junos OS | 24.4R1-S2 |
| EX4000-12P | Junos OS | 25.2R1 |
| EX4000-12P | Junos OS | 24.4R2 |
| EX4000-12P | Junos OS | 24.4R1-S2 |
| EX4000-12MP | Junos OS | 25.2R1 |
| EX4000-12MP | Junos OS | 24.4R2 |
| EX4000-12MP | Junos OS | 24.4R1-S2 |
| EX4000-12MP | Junos OS | 24.4R1 |
| EX4000-12T | Junos OS | 25.2R1 |
| EX4000-12T | Junos OS | 24.4R2 |
| EX4000-12T | Junos OS | 24.4R1-S2 |
| EX4000-24P | Junos OS | 25.2R1 |
| EX4000-24P | Junos OS | 24.4R2 |
| EX4000-24P | Junos OS | 24.4R1-S2 |
| EX4000-24MP | Junos OS | 25.2R1 |
| EX4000-24MP | Junos OS | 24.4R2 |
| EX4000-24MP | Junos OS | 24.4R1-S2 |
| EX4000-24MP | Junos OS | 24.4R1 |
| EX4000-24T | Junos OS | 25.2R1 |
| EX4000-24T | Junos OS | 24.4R2 |
| EX4000-24T | Junos OS | 24.4R1-S2 |
| EX4000-48P | Junos OS | 25.2R1 |
| EX4000-48P | Junos OS | 24.4R2 |
| EX4000-48P | Junos OS | 24.4R1-S2 |
| EX4000-48MP | Junos OS | 25.2R1 |
| EX4000-48MP | Junos OS | 24.4R2 |
| EX4000-48MP | Junos OS | 24.4R1-S2 |
| EX4000-48MP | Junos OS | 24.4R1 |
| EX4000-48T | Junos OS | 25.2R1 |
| EX4000-48T | Junos OS | 24.4R2 |
| 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 |
| EX9200 | Junos OS | 12.3R2 |
| EX9251 | Junos OS | 18.1R1 |
| EX9253 | Junos OS | 18.2R1 |
| MX5 | Junos OS | 11.2R4 |
| MX10 | Junos OS | 11.2R4 |
| MX40 | Junos OS | 11.2R4 |
| MX80 | Junos OS | 10.2R1 |
| MX104 | Junos OS | 13.2R2 |
| MX150 | Junos OS | 17.3R1 |
| MX204 | Junos OS | 17.4R1 |
| MX240 | Junos OS | 9.0R1 |
| MX301 | Junos OS | 25.4R1 |
| MX304 | Junos OS | 22.2R3 |
| MX480 | Junos OS | 8.4R1 |
| MX960 | Junos OS | 8.2R1 |
| MX2008 | Junos OS | 15.1F7 |
| MX2010 | Junos OS | 12.3R2 |
| MX2020 | Junos OS | 12.3R1 |
| MX10003 | Junos OS | 17.3R1 |
| MX10004 | Junos OS | 22.3R1 |
| MX10008 | Junos OS | 18.2R1 |
| MX10016 | Junos OS | 19.2R1 |
| vMX | Junos OS | 14.1R5 |
| NFX250 | Junos OS | 15.1X53-D40 |
| PTX10001-36MR | Junos OS Evolved | 25.4R1 |
| PTX10004 | Junos OS Evolved | 25.4R1 |
| PTX10004 | Junos OS Evolved | 20.4R1 |
| PTX10008 | Junos OS Evolved | 25.4R1 |
| PTX10008 | Junos OS Evolved | 20.3R1 |
| PTX10008 | Junos OS Evolved | 20.1R1 |
| PTX10016 | Junos OS Evolved | 25.4R1 |
| PTX10016 | Junos OS Evolved | 21.2R2 |
| PTX10002-36QDD | Junos OS Evolved | 25.4R1 |
| PTX10002-36QDD | Junos OS Evolved | 24.2R2 |