In previous posts, we have introduced lots of details about Cumulus Linux, a network operating system. Also, we have talked about how to install Cumulus Linux on FS N-series switches like the 100GbE switch. In this post, we will solve another Cumulus Linux related question concerned by most of our users: how to upgrade Cumulus Linux on an N-series network…

It has been about five years since the arrival of 25G Ethernet in 2014. For those years, the 25G Ethernet market has been filled with ups and downs. Facing with the broad adoption for 100G Ethernet and the upcoming new connection speeds of 200G/400G, the use of 25G devices, like the 25G switches, has been in doubt. A Review of…

As the first full-featured Linux based operating system (OS), Cumulus Linux has injected great possibilities and new vitality in the networking field in these two years. Due to its great effort in open networking, Cumulus Linux has been one of the three leading OSs in the market. The other two are IP Infusion OcNOS and Pica8 PICOS. Recently, the collaboration…

With the ever-increasing need for higher bandwidth, DWDM technology has been one of the most favorable optical transport network (OTN) applications. In this post, we will reveal DWDM-based network solutions over various transmitting distances as well as some suggestions for the DWDM networks deployment. DWDM Networks Basics As usual, let’s review some basics of DWDM networks. In this part, we…