Cisco IOS XE
IOS XE is a release train of Cisco Systems' widely deployed Internetworking Operating System (IOS), introduced with the ASR 1000 series.
| Developer | Cisco Systems |
|---|---|
| OS family | Unix-like |
| Working state | Current |
| Source model | Closed source |
| Latest release | 17.12.1 / 28 July 2023 |
| Platforms | Some Cisco routers (such as ASR 1000) and some Catalyst switches (such as 3850) |
| Default user interface | Command line interface |
| Preceded by | Cisco IOS |
| Official website | Cisco IOS XE |
It is built on Linux and provides a distributed software architecture that moves many operating system responsibilities out of the IOS process and has a copy of IOS running as a separate process. Since it runs a copy of IOS, all CLI commands are the same between Cisco IOS and IOS XE, in contrast to IOS XR, which has a completely different code base and whose developers implemented a different CLI command set.
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