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Stackable access switch · Copper SKUs

WS-C3850-48U

Catalyst 3850 Series — 48-port UPOE

EOSL — PAST
8 mo
past end of service life

Lifecycle position

now
availableend of saleservice
AvailableJan 2013
End of saleOct 2020
End of serviceOct 2025Cisco bulletin ↗
Last security firmwareIOS XE 16.12.x

Options from here

Third-party maintenance

Covered past the OEM cutoff by an independent maintainer.

Pre-stock spares

Modules and units still circulate on the secondary market.

Schedule migration

Carrying production traffic? Set the replacement window now, not mid-outage.

Run to failure

Low-criticality role — document the risk, harden backups, retire on your terms.

WS-C3850-48U — questions

Is the Cisco WS-C3850-48U still supported?

No. Cisco's last date of support for WS-C3850-48U was Oct 2025, per the Cisco end-of-life bulletin — it is past end of service life.

When did the WS-C3850-48U reach end of sale?

WS-C3850-48U reached end of sale Oct 2020, per the Cisco end-of-life bulletin.

What is the last date of support (EOSL) for the WS-C3850-48U?

Oct 2025, according to the Cisco end-of-life bulletin.

Can the WS-C3850-48U be maintained after Cisco support ends?

After the last date of support, WS-C3850-48U units can often be kept in production through third-party maintenance providers. Cisco no longer issues software fixes, TAC support, or hardware replacement for it.