The evolution of Cisco's classic IOS: it keeps the same command line, but underneath it runs on a Linux kernel with separated processes. It powers a large share of Catalyst routers and switches.
Release: 2023-03-28Support until: 2024-03-28End of Support: 2024-03-28
17.10[EOL]
Release: 2022-11-30Support until: 2023-11-30End of Support: 2023-11-30
17.9[LTS][EOL]
Release: 2022-07-29Support until: 2025-01-29End of Support: 2026-07-29
17.8[EOL]
Release: 2022-04-11Support until: 2023-04-11End of Support: 2023-04-11
17.7[EOL]
Release: 2021-11-30Support until: 2022-11-30End of Support: 2022-11-30
17.6[LTS][EOL]
Release: 2021-07-30Support until: 2023-01-30End of Support: 2024-07-30
17.5[EOL]
Release: 2021-03-31Support until: 2022-03-31End of Support: 2022-03-31
17.4[EOL]
Release: 2020-11-30Support until: 2021-11-30End of Support: 2021-11-30
17.3[LTS][EOL]
Release: 2020-07-31Support until: 2023-01-31End of Support: 2024-07-31
17.2[EOL]
Release: 2020-03-30Support until: 2021-03-30End of Support: 2021-03-30
17.1[EOL]
Release: 2019-11-21Support until: 2020-11-21End of Support: 2020-11-21
16.12[LTS][EOL]
Release: 2019-07-31Support until: 2022-01-31End of Support: 2023-07-31
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