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Series lifecycle table

Cisco 4000 Integrated Services Router EOL List

This table tracks end-of-life milestones for 4 Cisco 4000 Integrated Services Router part numbers. For each record it lists the key dates published in Cisco lifecycle notices: the EOL announcement date, End-of-Sale (EOS), and End-of-Service-Life (EOSL). The Cisco 4000 Integrated Services Router family has no single end-of-life date; milestones are set per part number, so use the table to find the exact SKU you operate. Across this series, EOSL dates range from 2025-04-30 to 2025-04-30. Open any part number for source details, replacement fields, and current availability options.

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Explore Cisco 4000 Integrated Services Router Products

Compare current Cisco 4000 Integrated Services Router models, specifications, pricing, and availability.

View Cisco 4000 Integrated Services Router Models & Pricing

Cisco 4000 Integrated Services Router Series

Total Products: 4 | Page 1 of 1

Cisco / Cisco 4000 Integrated Services Router
SI-ISR4351-IWAN-K9

Cisco ISR 4351 SEED IT Program Offering

EOL
2019-10-30
EOS
2020-04-29
EOSL
2025-04-30
Cisco / Cisco 4000 Integrated Services Router
SI-ISR4431-IWAN-K9

Cisco ISR 4431 SEED IT Program Offering

EOL
2019-10-30
EOS
2020-04-29
EOSL
2025-04-30
Cisco / Cisco 4000 Integrated Services Router
SI-ISR4451-IWAN-K9

Cisco ISR 4451 SEED IT Program Offering

EOL
2019-10-30
EOS
2020-04-29
EOSL
2025-04-30
Cisco / Cisco 4000 Integrated Services Router
SI-ISR4K-IWAN-K9

Cisco ISR 4K SEED IT Program

EOL
2019-10-30
EOS
2020-04-29
EOSL
2025-04-30