^ 'Cisco IOS XE Open Service Containers' (PDF).^ 'Catalyst 4500 Series Switch Software Configuration Guide'.^ 'Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide'.'Now a Look at Cisco IOS XE for the ASRs'. ^ 'Cisco IOS XE Software for Cisco ASR 1000 Series Routers'. Cisco IOS (Internetwork Operating System) is a proprietary operating system that runs on Cisco Systems routers and switches.^ 'Logging into a Linux shell from a Cisco ASR1000 Series Router'.'Cisco's ASR 1000 router built for 10-year tenure'. Another example is the Cisco IOS XE Open Service Containers. Since IOS XE has IOSd running as an application on top of Linux, it becomes possible to also run different applications on the hardware, a good example of this is running Wireshark on a switch. While IOS XE (IOSd) and IOS share a lot of the same code, IOS XR is a completely different code base. On the other hand, IOS XR is based on QNX (since version 5.0 it's also based on linux), where the IOSd application has been separated into many different applications. Differences between IOS and IOS XE Ĭisco IOS is a monolithic operating system running directly on the hardware while IOS XE is a combination of a Linux kernel and a monolithic application (IOSd) that runs on top of this kernel. IOS XE is released separately for ASR 1000 and Catalyst 3850. 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.

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. IOS XE is a release train of Cisco Systems' widely deployed Internetworking Operating System (IOS), introduced with the ASR 1000 series.

Some Cisco routers (such as ASR 1000) and some Catalyst switches (such as 3850) Operating system for network equipment Cisco IOS XE Developerīengaluru 17.6.1 / July 30, 2021 19 months ago ( )

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