Cisco 1921

Network · 1U Rack

Lifecycle confidence: ●●●●○ · Last refreshed 2026-05-29

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Lifecycle

Released: 2009-07-01
General Availability: 2009-10-01
End of Sale: 2018-09-29
End of Support: 2023-09-29
End of Service Life: 2023-09-29

EOSL

Failure Outlook

Age: 15.7 years

Failure likelihood: 78%

Likely to fail (most → least)

Internal power supply (single, non-redundant)
Flash memory (256MB, aging NAND)
DRAM modules (DDR2, long-term wear)
Fans / thermal management
HWIC/EHWIC slot connectors (oxidation)

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Indicative TPM Pricing

Indicative — not a quote.

SLA tier	Annual	Monthly
9×5 NBD	$200 – $400	$17 – $33
24×7 NBD	$260 – $520	$22 – $43
24×7×4 onsite + parts	$360 – $800	$30 – $67
24×7×4 remote only	$180 – $560	$15 – $47

Pricing confidence: ●●○○○

Monthly = annual ÷ 12. Real TPM monthly billing is typically ~5–10% higher than this — use annual for accurate budgeting.

Get a real quote:

Coming soon Coming soon Coming soon

Bushido is an information service. We do not sell maintenance contracts — partners listed above do.

Affiliate disclosure: Bushido may earn a referral fee from successful introductions to listed partners. Partners pay nothing to be vetted or listed; revenue accrues only on completed business. Vetting standards are published at /partners/apply.

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Security Advisories (0)

No advisories on file.

Parts Market

Whole unit: $35 – $150

Common parts

256MB CompactFlash — $15
512MB DRAM upgrade — $20
HWIC-1T Serial WAN Card — $15
AC Power Supply (internal, 60W) — $30
EHWIC-4ESG 4-Port GE Switch Card — $25

Modern Replacements

Direct successor: Cisco C1111-8P (2018) — ISR 1100 Series 8-port dual WAN GE router; direct Cisco-recommended replacement for 1921; IOS XE SD-WAN capable

Current generation: Cisco Catalyst 8200L (2021) — Current-gen SD-WAN branch platform; full IOS XE and Viptela SD-WAN support; supersedes ISR 1100 for enterprise deployments

Power / Rack

Idle: 25W · Typical: 45W · Max PSU: 60W

Firmware

IOS: 15.7(3)M9

Download pointer ↗

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Next Steps

Want a real maintenance quote? → See the partner list in the pricing block above
Want to replace it? → See the modern replacements section
Want to repair it yourself? → Check secondhand pricing in the parts market block
Want the latest firmware? → Vendor download page ↗
Want to verify our data? → Cross-reference with the vendor's own EOL bulletin and authoritative aggregators. Every field carries a confidence score above.