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T4000BASE

T Series T4000 — T4000 router

EOSL — PAST
22 mo
past end of service life

Lifecycle position

now
availableend of saleservice
Available—
End of saleAug 2019
End of serviceAug 2024Juniper bulletin ↗
Last security firmware—

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.

Other SKUs in T4000

T4000-FPC5-3DT4000 router›T4000-TXP3DLCC-UPGT4000 router›T4000-DEP-UPGT4000 router›T4000-12XGE-FPC5-UPGT4000 router›T4000-1CGE-FPC5-UPGT4000 router›T4000-24XGE-FPC5-UPGT4000 router›T4000BASE-RED-BNDLT4000 router›T4000-FPC5-LSRT4000 router›

T4000BASE — questions

Is the Juniper T4000BASE still supported?

No. Juniper's last date of support for T4000BASE was Aug 2024 (per the Juniper end-of-sale bulletin) — it is past end of service life.

When did the T4000BASE reach end of sale?

T4000BASE reached end of sale Aug 2019, per the Juniper end-of-sale bulletin.

What is the last date of support (EOSL) for the T4000BASE?

Aug 2024 — per the Juniper end-of-sale bulletin.

Can the T4000BASE be maintained after Juniper support ends?

After the last date of support, T4000BASE units can often be kept in production through third-party maintenance providers. Juniper no longer issues software fixes, support, or hardware replacement for it.