Cisco IOS XE 17.15 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Cisco IOS XE 17.15 is actively supported. It reaches end of life on 9 Aug 2028.
731 days of security support left
50% of this branch's supported lifetime has elapsed — 9 Aug 2024 → 9 Aug 2028.
Support timeline
Official dates from the Cisco IOS XE release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 9 Aug 2024 | — |
| End of life (scheduled) | 9 Aug 2028 | in 731 days |
| Active support ended | 9 Feb 2027 | security fixes only after this |
| Latest release | — | current |
How much runway a newer branch buys
Moving to Cisco IOS XE 17.18 extends security support by about 364 days.
| Branch | End of life | Days left | vs 17.15 |
|---|---|---|---|
| Cisco IOS XE 17.18 | 8 Aug 2029 | 1,095 | +364 days |
| Cisco IOS XE 17.15 | 9 Aug 2028 | 731 | this branch |
| Cisco IOS XE 17.12 | 28 Jul 2027 | 353 | -378 days |
Frequently asked questions
When does Cisco IOS XE 17.15 reach end of life?
Cisco IOS XE 17.15 reaches end of life on 9 Aug 2028 — 731 days from now. After that date it receives no security fixes.
Is Cisco IOS XE 17.15 still supported?
Yes. Cisco IOS XE 17.15 is currently maintained. Latest release: —.
What happens when Cisco IOS XE 17.15 reaches end of life?
Security fixes stop. After 9 Aug 2028 this branch receives no further updates under standard support.
How long do I have to upgrade from Cisco IOS XE 17.15?
731 days. Moving to Cisco IOS XE 17.18 instead buys roughly 364 more days of security support.