Networking useful stuff

Site dedicated mainly to internetworking. The goal is to share experiences, teach IP, IPv6. Talk about Linux, IP services, servers, promote IPv6 adoption, routing protocols, security and in some cases just some thoughts. Keywords: linux, cisco, ospf, bgp, eigrp, ip, ipv6, sla, link, routers, routings, telco, telecommunications, security, ipv4

Friday, July 13, 2018

How to run Flask framework to listen in both IPv4 and IPv6 (DualStack)

Issue: How to run Flask framework to listen in both IPv4 and IPv6 (DualStack) Answer: app.run(host='::',port=5005)

Thursday, August 24, 2017

Google DNS --- Figuring out which DNS Cluster you are using

(this is -almost- a copy / paste of an email sent by Erik Sundberg to nanog mailing list on August 23). This post is being posted with ...

Monday, August 21, 2017

My humble results. Testing ping to loopback using v4 and v6

Hello there, Regarding RTT v4 vs v6 I did something "interesting" recently, would like to know your thoughs. If you pi...

Wednesday, March 30, 2016

Joke-image: When you ask an engineer. MAC - IP Address

Monday, February 29, 2016

Read a BGP live stream from CAIDA

Objective Read a BGP live stream from CAIDA and insert them into a BGP session What do we need bgpreader from the bgpstream core pac...

Wednesday, February 17, 2016

Animation: The sad tale of the ISP that did not deploy IPv6

Hello, The following animation is based on the story called: "The sad tale of the ISP that didn't deploy IPv6" [1]. Hope...

Friday, January 1, 2016

Virtualbox in Windows. Bridge adapter + IPv6 not working

Introduction: When trying to use IPv6 in Virtualbox inside a guest where the adapter is bridge to the wireless interface of the host, the...

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