A mysterious problem impacting users of Cisco small-to-medium business switches whose devices started rebooting regularly turned out to be caused by a change in how Cloudflare's popular domain name ...

Cisco has seen double the trouble with a domain name system (DNS) issue affecting some of its switches, alongside a new vulnerability exposed in its network access control kit. According to The Cyber ...

A DNS Crash disrupted networks around the world on January 8, 2026, after a flaw in the DNS client service caused multiple Cisco Small Business Switches to reboot repeatedly and, in some cases, ...

Update: Cisco statement added at the end of the article. Multiple Cisco switch models are suddenly experiencing reboot loops after logging fatal DNS client errors, according to reports seen by ...

This library will be useful for automating day to day tasks or developing new tools which involve Cisco MDS switches Python version: 3.6 and above Supports both NXAPI ...

In newly disclosed real-world attacks, threat actors are found exploiting a Cisco Simple Network Management Protocol (SNMP) vulnerability to gain remote code execution (RCE) and install Linux rootkits ...

Forbes contributors publish independent expert analyses and insights. I write about disruptive companies, technologies and usage models. At last week’s Cisco Live in San Diego, CEO Chuck Robbins said ...

Cisco has announced a family of data center Smart Switches, disrupting traditional data center network design by enabling networking and security services in a compact all-in-one solution. Cisco’s ...

Cisco announced a family of data center Smart Switches, disrupting traditional data center network design by enabling networking and security services in a compact all-in-one solution. Utilizing ...

We may receive a commission on purchases made from links. If you've ever tried to move a light switch more than a few inches in a finished wall, you understand just how set-in-stone home wiring can be ...

Cisco has released patches for several series of Nexus switches to fix a vulnerability that could allow attackers to hide the execution of bash commands on the underlying operating system. Although ...