For devices running Junos OS with upgraded FreeBSD, provided you have saved a rescue configuration on the device, there is an automatic device recovery mode that goes into action should the system go into amnesiac mode.
The process is for the system to automatically retry to boot with the saved rescue configuration. In this circumstance, the system displays a banner "Device is in recovery mode in the CLI (in both the operational and configuration modes). Previously, there was no automatic process to recover from amnesiac mode. A user with load and commit permission had to log in using the console and fix the issue in the configuration before the system would reboot.
| Product / Application | Software | Introduced Release |
|---|---|---|
| EX2300 | Junos OS | 18.1R2 |
| EX2300-C | Junos OS | 18.1R2 |
| EX2300 Multigigabit | Junos OS | 18.1R2 |
| EX3400 | Junos OS | 18.1R2 |
| EX3400-VC | Junos OS | 18.1R2 |
| 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 | 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 | 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 | 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 | 16.1R7 |
| EX4300-VC | Junos OS | 16.1R7 |
| EX4400 | Junos OS | 21.1R1 |
| EX4400 Multigigabit | Junos OS | 21.2R1 |
| EX4400-24X | Junos OS | 23.1R1 |
| EX4600 | Junos OS | 16.1R7 |
| EX4600-VC | Junos OS | 16.1R7 |
| EX9200 | Junos OS | 16.1R7 |
| EX9251 | Junos OS | 18.2R2 |
| EX9253 | Junos OS | 18.2R2 |
| MX150 | Junos OS | 16.1R7 |
| MX204 | Junos OS | 17.4R2 |
| MX240 | Junos OS | 16.1R7 |
| MX301 | Junos OS | 25.4R1 |
| MX304 | Junos OS | 22.2R3 |
| MX480 | Junos OS | 16.1R7 |
| MX960 | Junos OS | 16.1R7 |
| MX2008 | Junos OS | 16.1R7 |
| MX2010 | Junos OS | 16.1R7 |
| MX2020 | Junos OS | 16.1R7 |
| MX10003 | Junos OS | 17.4R2 |
| MX10004 | Junos OS | 22.3R1 |
| MX10008 | Junos OS | 18.2R2 |
| MX10016 | Junos OS | 19.2R1 |
| vMX | Junos OS | 16.1R7 |
| Next Generation Port Extender | Junos OS | 25.4R1 |
| QFX5100 | Junos OS | 16.1R7 |
| QFX5110 | Junos OS | 16.1R7 |
| QFX5120-48T | Junos OS | 20.2R1 |
| QFX5120-48YM | Junos OS | 20.4R1 |
| QFX5200-32C | Junos OS | 16.1R7 |
| QFX5210-64C | Junos OS | 18.1R2 |
| QFX10008 | Junos OS | 16.1R7 |
| QFX10016 | Junos OS | 16.1R7 |
| QFX10002-60C | Junos OS | 18.1R2 |
| vSRX | Junos OS | 12.1X46-D10 |
| SRX1500 | Junos OS | 17.3R1 |
| SRX1600 | Junos OS | 23.4R1 |
| SRX2300 | Junos OS | 23.4R1 |
| SRX4100 | Junos OS | 17.3R1 |
| SRX4120 | Junos OS | 25.2R1 |
| SRX4200 | Junos OS | 17.3R1 |
| SRX4300 | Junos OS | 24.2R1 |
| SRX4600 | Junos OS | 17.4R2 |
| SRX4700 | Junos OS | 24.4R1-S2 |
| SRX5400 | Junos OS | 17.3R1 |
| SRX5600 | Junos OS | 17.3R1 |
| SRX5800 | Junos OS | 17.3R1 |