This document is the version manual for H3C MSR20_MSR30_MSR50_MSR900- CMW520-R2105P06-SI, providing detailed information about the version, known issues and workarounds, supporting documents, and version upgrade operation guide.
The manual describes the version information for the MSR20, MSR30, MSR50 and MSR900 series, including hardware and software feature specifications, version numbers, and historical version tables. It also lists usage restrictions, known issues, and recommended work‑arounds for each release.
Detailed upgrade guidance is provided, covering backup and restore of configuration, firmware upgrades via Ethernet or serial ports, BootWare menu navigation, and command‑line maintenance procedures. The document includes step‑by‑step instructions for saving the current configuration, restarting the device, and accessing the system management interface. This manual is written in Chinese.
| Software Version | Comware 5.20 Release 2105P06 |
|---|---|
| Release Date | 2010-11-25 |
| Supported Series | MSR20, MSR30, MSR50, MSR900 |
Run the command display version in any view to see the version number.
Use the Ethernet‑port upgrade procedure described in the manual under “通过以太网口升级应用程序”.