Brocade 400 Series — Brocade 400 Series Fibre Channel switch
Covered past the OEM cutoff by an independent maintainer.
Modules and units still circulate on the secondary market.
Carrying production traffic? Set the replacement window now, not mid-outage.
Low-criticality role — document the risk, harden backups, retire on your terms.
No. Brocade's last date of support for 425 was Oct 2018 (per the Brocade end-of-sale bulletin) — it is past end of service life.
425 reached end of sale Aug 2013, per the Brocade end-of-sale bulletin.
Oct 2018 — per the Brocade end-of-sale bulletin.
After the last date of support, 425 units can often be kept in production through third-party maintenance providers. Brocade no longer issues software fixes, support, or hardware replacement for it.