NetworkingNexus.net

Part1 – Monitoring Network Traffic with ntopng and nProbe

Ntopng is the next generation version of the original ntop, a network traffic probe that monitors network usage. It provides a intuitive, encrypted web user interface for the exploration of realtime and historical traffic information. ntopng comes in three versions, Community, Professional (Small Business Edition) and Enterprise. The Community version is free to use and opensource. A physical NIC card of the server can be monitored by by specifying its interface name as

./ntopng -i eth0

However, we will use ntopng in flow collection mode along with nProbe which can act as probe/proxy. The communication between nProbe and ntopng takes place over ZeroMQ, a publish-subscribe protocol that allows ntopng to communicate with nProbe.

ntpong community version is installed on Ubuntu Server 18.04.1 with IP address 172.17.100.7/16. Ubuntu is running inside VirtualBox VM. The IP address of the host (Asus k55vm) is 172.17.100.2/16. The host is connected to the SOHO router that functions as gateway to the Internet gateway with the IP address 172.17.100.1/16. The network diagram is shown on the Picture 1.

nProbe is installed on Raspberry Pi 3B with the IP address 172.17.100.50/16. Windows 7 Continue reading

Understanding the BGP Table Version (3 part Blog Series)

The BGP Table Version is the most unknown and unexplained BGP concept/value that I rarely ever troubleshoot without. Seriously, I cannot imagine troubleshooting BGP without understanding the BGP table version. I always “eyeball” it at the very least when I’m... Read More ›

The post Understanding the BGP Table Version (3 part Blog Series) appeared first on Networking with FISH.

Transgender Day of Visibility

My name is Kas. I’m a Cloudflare employee and I wanted to share my story with you on International Transgender Day of Visibility.

I've been different for as long as I can remember. I've been the odd one out not just for the time I've spent in tech, but most of my life.

I'm transgender in that I am gender non-binary. I'm working with the word 'agender' right now, as it is the word that describes me best: I'm not a woman, or a man, just a human. I don't really have a gender, and I certainly don't identify with either binary label.

Being transgender in tech is difficult. There are many times where we have to work harder, smarter, and give up so much to stay afloat. Times where you have to weigh the benefits of correcting your pronouns against the title of the person who is to be corrected (are they a customer? Your bosses' bosses' boss?). Times where you don't know if you can even be 'out' with your coworkers, because you just don't know if, or how, they'll treat you differently, or fairly.

Being agender or outside the Continue reading

No surprise performance test

Recently I had a need to deploy some python FLASK based application. Although FLASK has a convenience CLI built-in to run your application while developing the deployment documentation provided a bunch of production ready deployment method. After going through the various documentation and learning about the event loop based implementation of Gevent, I decided to … Continue reading

5 Days of 5G Firsts: Ericsson, Nokia, ZTE, Samsung

Within a span of 24 hours, Ericsson and Nokia both claimed to have 16 commercial 5G deals with...

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Feature Friday: DockerCon speakers sound off on Kubernetes, Service Mesh and More

DockerCon brings industry leaders and experts of the container world to one event where they share their knowledge, experience and guidance. This year is no different. For the next few weeks, we’re going to highlight a few of our amazing speakers and the talks they will be leading.

In this first highlight, we have a few of our own Docker speakers that are covering storage and networking topics, including everything from container-level networking on up to full cross-infrastructure and cross-orchestrator networking.

Persisting State for Windows Workloads in Kubernetes

The Importance of Automation: Using Ansible for Network Fabric Programming

As businesses go digital, the network plays a fundamental role in companies’ competitiveness in the marketplace – it becomes the...

Russia demands access to VPN providers’ servers

The Russian censorship agency Roskomnadzor has ordered 10 VPN service providers to link their servers in Russia to its network in order to stop users from reaching banned sites.If they fail to comply, their services will be blocked, according to a machine translation of the order.RELATED: Best VPN routers for small business The 10 VPN providers are ExpressVPN, HideMyAss!, Hola VPN, IPVanish, Kaspersky Secure Connection NordVPN, OpenVPN, VPN Unlimited and VyprVPN.To read this article in full, please click here

Russia demands access to VPN providers’ servers

Weekend Reads 032919

There’s a growing focus on automating data center operations, a trend driven by staffing challenges and the need for remote management of “lights out” edge data centers. Do you expect to see more automation? What are the most promising approaches in this area? —Data center Frontier

In this article, I will describe how we introduced IPv6 inside IBM’s own network over the past few years, and look at the challenges we encountered as well as what lies on the road ahead. —Andy Mindnich

If you want to see what real competition might look like at some point in the future of the server racket, look no further than the Ethernet switch market, where switch ASICs and the companies that build switches alike have to fight for every dollar and make it up in volume every year without pause. —Timothy Prickett Morgan

Misconceptions can be dangerous. This is especially true when they lead to network insecurity. In this post I’ll seek to set the record straight for several of the most common misconceptions about IPv6 security. —David Holder

Although the SRE job role is often defined as being about automation, the reality is that 59 percent of SREs agree there is Continue reading

Getting A Handle On Data At The Edge

The promise of edge computing is to better deal with the massive amounts of data that are being created by the rapidly growing numbers of mobile devices, remote systems, and sensors that are connecting into the network and that are critical to the business. … “Getting A Handle On Data At The Edge”

Getting A Handle On Data At The Edge was written by Jeffrey Burt at .

Heavy Networking 438: VMware NSX Evolution For Cloud Networking And Security (Sponsored)

Today's Heavy Networking, sponsored by VMware, dives into the latest security features in NSX-T, and examines how NSX is expanding from the data center to the WAN and the cloud. We also hear from NSX customer Sky UK about how NSX helps bridge the gap between infrastructure and developer teams.

The post Heavy Networking 438: VMware NSX Evolution For Cloud Networking And Security (Sponsored) appeared first on Packet Pushers.

SDxCentral Weekly Wrap: Oracle Reportedly Axes Hundreds of Jobs, Insists Its Cloud ‘Future Is Bright’

SDxCentral Weekly Wrap for March 29, 2019: Oracle jobs cuts are tied to the cloud; VeloCloud's...

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From CCNA to SDN: Interview with David Bombal

A few weeks ago, I had an interesting video chat with David Bombal in which we covered a wide variety of topics including

What would you do if you started networking today?
How do you increase the value of your knowledge?
Networking hasn’t changed in the last 40 years and whatever you learn about networking will still be valid 20 years from now;
Why should I learn and implement network automation?
When should I start learning about network automation?

Note: David posted the whole list of topics with timestamps in the pinned comment under the video.

Enjoy the video