Lifecycle record

SISR4300UK9-315S EOL & EOSL Dates

Cisco ISR 4300 Series IOS XE Universal

Lifecycle status

EoS - Sales Ended

SISR4300UK9-315S is no longer sold by Cisco; end of sale was 2021-11-03. Support continues until 2026-11-30.

Last checked: 2026-06-16

EOL & EOSL Dates and Details

End-of-Life Announcement (EOL) 2021-05-05
End of Sale (EOS) 2021-11-03
End of Service Life (EOSL) 2026-11-30
Manufacturer Cisco
Category Routers
Product Series Cisco ISR 4300
Part Number SISR4300UK9-315S
Release Date -
Replacement Part Number N/A

Lifecycle Timeline

Recorded lifecycle milestones in date order.

  • End-of-Life Announcement (EOL)
    2021-05-05


  • End of Sale (EOS)
    2021-11-03


  • Last Ship Date
    2022-02-01


  • End of SW Maintenance
    2022-11-03


  • End of Service Contract Renewal
    2026-01-29


  • End of Service Life (EOSL)
    2026-11-30

Additional Information

Support milestones and the official source recorded for this model.

Last Ship Date: HW, License 2022-02-01
End Of New Service Attachment Date: HW 2022-11-03
End Of SW Maintenance Releases Date: HW 2022-11-03
End Of Service Contract Renewal Date: HW 2026-01-29
Official EOL Notice View Official EOL Documentation

More Cisco ISR 4300 EOL Dates

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C1-CISCO4321-K9 Cisco ONE ISR 4321 (2GE,2NIM,4G FLASH,4G DRAM,IPB) 2022-04-29 2022-10-28
C1-CISCO4321T-P-K9 Cisco ONE ISR 4321 (3GE,2NIM,1SM,4G FL,4G RAM,w/PERF) 2022-04-29 2022-10-28
C1-CISCO4331-DC-K9 Cisco ONE 4331 (3GE,2NIM,1SM,4G FLSH,4G DRAM,IPB) w/ DC PS 2022-04-29 2022-10-28
C1-CISCO4331-K9 Cisco ONE ISR 4331 (3GE,2NIM,1SM,4G FLASH,4G DRAM,IPB) 2022-04-29 2022-10-28
C1-CISCO4331T-P-K9 Cisco ONE ISR 4331 (3GE,2NIM,1SM,4G FL,4G RAM,w/PERF) 2022-04-29 2022-10-28
C1-CISCO4351-K9 Cisco ONE ISR 4351 (3GE,3NIM,2SM,4G FLASH,4G DRAM,IPB) 2022-04-29 2022-10-28
DVD-I43-5-4-K9 Cisco ISRWAAS software version 5.4 on DVD for ISR4300 Series 2021-05-05 2021-11-03
FL-4320-BOOST-K9 Cisco Booster Performance License for 4320 Series 2023-10-26 2024-01-26