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We recommend that you take a snapshot after every software upgrade or downgrade. A "snapshot" captures all the files currently used to run the device and copies them onto an alternative drive, such as an internal flash or USB flash. You can then use this snapshot to boot the device, if necessary, at the next boot up or as a backup boot option.
| Product / Application | Software | Introduced Release |
|---|---|---|
| ACX710 | Junos OS | 20.2R1 |
| ACX4000 | Junos OS | 12.3X51-D10 |
| ACX5000 | Junos OS | 15.1X54-D20 |
| 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 |
| EX4000-12T | Junos OS | 24.4R1-S2 |
| EX4000-24P | 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 |
| 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 |
| EX4600 | Junos OS | 13.2X51-D25 |
| EX4600-VC | Junos OS | 13.2X51-D25 |
| EX4650-48Y | Junos OS | 18.3R1 |
| EX9200 | Junos OS | 12.3R2 |
| EX9251 | Junos OS | 18.1R1 |
| EX9253 | Junos OS | 18.2R1 |
| MX104 | Junos OS | 13.2R2 |
| MX204 | Junos OS | 17.4R1 |
| MX240 | Junos OS | 9.0R1 |
| MX301 and MX301-M | 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 |
| Next Generation Port Extender | Junos OS | 25.4R1 |
| NFX150 | Junos OS | 18.1R1 |
| NFX350 | Junos OS | 19.4R1 |
| PTX1000 | Junos OS | 16.1X65-D30 |
| PTX3000 | Junos OS | 13.2R2 |
| PTX5000 | Junos OS | 12.1X48R1 |
| PTX10008 | Junos OS | 17.2R1 |
| PTX10016 | Junos OS | 17.4R1 |
| QFX5110 | Junos OS | 15.1X53-D210 |
| QFX5130-32CD | Junos OS Evolved | 24.4R1 |
| 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 | 24.4R1 |
| QFX5130-48CM | Junos OS Evolved | 23.4R2 |
| QFX5140-24CD8O | Junos OS Evolved | 25.2X100-D20 |
| QFX5220-32CD | Junos OS Evolved | 24.4R1 |
| QFX5220-32CD | Junos OS Evolved | 19.1R2 |
| QFX5220-128C | Junos OS Evolved | 19.2R1 |
| QFX5230-64CD | Junos OS Evolved | 24.4R1 |
| QFX5230-64CD | Junos OS Evolved | 22.2X100-D10 |
| 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 |
| QFX5700 | Junos OS Evolved | 21.2R1 |
| QFX5700E | Junos OS Evolved | 23.4R2 |
| 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 |
| SRX5400 | Junos OS | 12.1X46-D10 |
| SRX5600 | Junos OS | 9.2R1 |
| SRX5800 | Junos OS | 9.2R1 |