Firmware release overview
Firmware
21.4R3-S6
Vendor: Juniper
Release info
DEPRECATEDRelease date: 2021-12-20
Created in DB: 2026-01-03
Last updated in DB: 2026-01-04
Compatible hardware
EX4600
EX4600
EX2300
EX2300
EX2300-C
EX2300-C
EX2300-MP
EX2300-MP
EX3400
EX3400
EX4300
EX4300
EX4300-MP
EX4300-MP
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Always cross-check with official vendor release notes and compatibility matrices.
Change history
No changes have been logged yet for this firmware.