How to Upgrade Cumulus Linux on N-Series Switches?

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…

Why 25G Ethernet Switches Are Still Necessary? 1

Why 25G Ethernet Switches Are Still Necessary?

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…

Cumulus Linux

What Are the Commonalities of Switches Supporting Cumulus Linux

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…

DWDM Networks

DWDM Networks over Long Distance Transmission

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…

Open Hardware

Open Switch—One Contributor to Open Source Network

With the higher and higher demand for network agility and scalability, traditional networking has been no longer satisfying. In that case, the open source network has been an urgent need. To meet with this new trend, here comes our open switch, a great contributor to open networking. What Is Open Switch? Open switches refer to switches in which the hardware…

VXLAN

An Overview on EVPN and LNV

Bombarded with assorted network applications and protocols, the technologies and solutions for network virtualization delivery have been enriched greatly over the past years. Among those technologies, VXLAN, also called virtual extensible local area network, is the key network virtualization. It enables layer 2 segments to be extended over an IP core (the underlay). The initial definition of VXLAN (RFC 7348)…