DCNM 5.2.1 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This free tool was originally developed by Cisco Systems Inc.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. DCNM is included in Internet & Network Tools. The most popular versions of the program are 5.2, 5.1 and 5.0.
From the developer:
Cisco Data Center Network Manager (DCNM) optimizes the overall uptime and reliability of your data center infrastructure and helps improve business continuity.
You may want to check out more software, such as Remote Asset Tracker, RAS Monitor or distributed.net client, which might be related to DCNM.