Question 1

What happens when Cisco Ios Xe reaches end of life?

Accepted Answer

When Cisco Ios Xe reaches end of life, it stops receiving security patches, bug fixes, and new features. Currently, 15 Cisco Ios Xe versions are already EOL. The latest supported version is Cisco Ios Xe 17.18, maintained until August 8, 2029. Running an EOL version exposes your systems to unpatched security vulnerabilities with no official fix available.

Question 2

Is Cisco Ios Xe 17.18 still supported?

Accepted Answer

Yes. Cisco Ios Xe 17.18 is actively supported until August 8, 2029. It receives security patches and bug fixes. Check the version table above for the full list of supported Cisco Ios Xe releases and their exact end-of-life dates.

Question 3

Is it safe to use Cisco Ios Xe after end of life?

Accepted Answer

No. Running Cisco Ios Xe after EOL is not safe for production systems. Once a version reaches end of life, newly discovered CVEs are published publicly but never patched — leaving your systems permanently exposed. The only safe path is upgrading to an actively supported Cisco Ios Xe release.

Question 4

How to upgrade from Cisco Ios Xe 17.17 to Cisco Ios Xe 17.x?

Accepted Answer

To upgrade Cisco Ios Xe from 17.17 to 17.18: (1) review the official migration guide for breaking changes, (2) test your application against the new version in a staging environment, (3) update dependencies that have version constraints, (4) run your full test suite, (5) deploy with a rollback plan. The earlier you start, the more time you have to resolve compatibility issues before EOL.

Question 5

When is the next Cisco Ios Xe LTS version?

Accepted Answer

Cisco Ios Xe 17.18 is the current Long Term Support release, maintained until August 8, 2029. LTS versions are recommended for production deployments that prioritize long-term stability over new features. Plan your upgrades to coincide with LTS releases whenever possible.

Question 6

How long does Cisco Ios Xe support each version?

Accepted Answer

On average, Cisco Ios Xe supports each release for approximately 25 months (~2.1 years). LTS releases like Cisco Ios Xe 17.18 have extended support windows — maintained until August 8, 2029. The exact EOL date for each version is listed in the table above.

Version	Released	Active support	EOL date	Until EOL	Latest	CVEs	Status
17.18 LTS	Aug 8, 2025	Feb 8, 2028	Aug 8, 2029	in 1156d	—	—	Active
17.17	Mar 31, 2025	Mar 31, 2026	Mar 31, 2026	70d ago	—	—	EOL
17.16	Dec 11, 2024	Dec 11, 2025	Dec 11, 2025	180d ago	—	—	EOL
17.15 LTS	Aug 9, 2024	Feb 9, 2027	Aug 9, 2028	in 792d	—	—	Active
17.14	Apr 13, 2024	Apr 13, 2025	Apr 13, 2025	422d ago	—	—	EOL
17.13	Nov 30, 2023	Nov 30, 2024	Nov 30, 2024	556d ago	—	—	EOL
17.12 LTS	Jul 28, 2023	Jan 28, 2026	Jul 28, 2027	in 414d	—	—	Active
17.11	Mar 28, 2023	Mar 28, 2024	Mar 28, 2024	803d ago	—	—	EOL
17.10	Nov 30, 2022	Nov 30, 2023	Nov 30, 2023	922d ago	—	—	EOL
17.9 LTS	Jul 29, 2022	Jan 29, 2025	Jul 29, 2026	in 50d	—	—	EOL soon
17.8	Apr 11, 2022	Apr 11, 2023	Apr 11, 2023	1155d ago	—	—	EOL
17.7	Nov 30, 2021	Nov 30, 2022	Nov 30, 2022	1287d ago	—	—	EOL
17.6 LTS	Jul 30, 2021	Jan 30, 2023	Jul 30, 2024	679d ago	—	—	EOL
17.5	Mar 31, 2021	Mar 31, 2022	Mar 31, 2022	1531d ago	—	—	EOL
17.4	Nov 30, 2020	Nov 30, 2021	Nov 30, 2021	1652d ago	—	—	EOL
17.3 LTS	Jul 31, 2020	Jan 31, 2023	Jul 31, 2024	678d ago	—	—	EOL
17.2	Mar 30, 2020	Mar 30, 2021	Mar 30, 2021	1897d ago	—	—	EOL
17.1	Nov 21, 2019	Nov 21, 2020	Nov 21, 2020	2026d ago	—	—	EOL
16.12 LTS	Jul 31, 2019	Jan 31, 2022	Jul 31, 2023	1044d ago	—	—	EOL

Cisco Ios Xe End of Life Dates

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