MikroTik SwOS (SwitchOS) firmware

vModel-specific — latest on the official page (e.g. v2.19 for CRS326-24G-2S+)Free

Official SwitchOS firmware for MikroTik CSS and CRS switches, chosen by model on mikrotik.com. By MikroTik

Web app

Official sourceNo bundles

By the ToolsBharat teamLink checked 30 Oct 2026How we check

Quick answer

MikroTik SwOS (SwitchOS) firmware is a free web app from MikroTik. Official SwitchOS firmware for MikroTik CSS and CRS switches, chosen by model on mikrotik.com. Download it only from mikrotik.com. The latest version we track is Model-specific — latest on the official page (e.g. v2.19 for CRS326-24G-2S+). ToolsBharat links straight to the publisher's own download page, with no bundled offers.

Latest version:: Model-specific — latest on the official page (e.g. v2.19 for CRS326-24G-2S+)
Publisher:: MikroTik
Official site:: manual.mikrotik.com
Licence:: Free — Free downloads for the vendor's own hardware
Requirements:: Any computer or phone with a browser (firmware is installed on the device itself)

Our verdict

SwOS is MikroTik's lightweight switch operating system, managed only through a web page. CSS switches run it exclusively, and many CRS3xx switches can boot either SwOS or RouterOS. The SwitchOS tab on MikroTik's download page lists each supported model and gives the matching file — versions differ by model (for example v2.19 for the CRS326-24G-2S+, and the 'Lite' v2.21 for the CSS610-8G-2S+). Unlike RouterOS packages, MikroTik does not show checksums for SwOS files. Before flashing: back up the current configuration, match the exact model AND hardware version printed on the label, and never load firmware made for a different model or region. Use a wired connection and do not cut power during the upgrade. Take firmware only from the vendor's own portal — not from YouTube links, Telegram groups or mirror sites.

Key features

Per-model SwOS builds for CSS106, CSS318, CSS326, CSS610, CRS3xx and older RB250/RB260 switches
SwOS Lite for CSS610 and CSS106-class switches
Wire-speed Layer-2 features: VLANs, port isolation, mirroring, ACLs, storm control and bandwidth limits

Pros

Pro: Simple web interface for plain switching jobs
Pro: Free for MikroTik switches

Cons

Con: Web-only: no CLI, SSH, API or WinBox access
Con: No checksums shown for SwOS files

What's new in Model-specific — latest on the official page (e.g. v2.19 for CRS326-24G-2S+)

See what changed in Model-specific — latest on the official page (e.g. v2.19 for CRS326-24G-2S+) in the official release notes

Version history

Version Model-specific — latest on the official page (e.g. v2.19 for CRS326-24G-2S+)Latest
date not stated
SHA-256
The developer does not publish one
Source
Release notes

Requirements

OS: Any computer or phone with a browser (firmware is installed on the device itself)
Architecture: MikroTik CSS/CRS switch models listed on the SwitchOS tab

Licence

Type: Free
Licence: Free downloads for the vendor's own hardware
Publisher: manual.mikrotik.com

Where these facts come from

Checked 30 Oct 2026

FAQ

SwOS or RouterOS on a CRS3xx switch?

SwOS is simpler and fully web-based, good for plain VLAN switching. RouterOS gives the full feature set, CLI and WinBox. CRS3xx models listed on the SwitchOS tab can run either; CSS models run SwOS only.

Can I manage SwOS from WinBox?

No. SwOS is managed only from its web interface over IPv4. WinBox, SSH and the API work only when the switch runs RouterOS.

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