NETRAVNEN BLOGGING | Random things, memes, images, network related, etc. etc. etc.

2020-07-20

Working with TC on Linux systems – dasblinkenlichten

With that out of the way – I wanted to spend some time in this post talking about the command line tool found on Linux systems called tc. We’ve talked about tc before when we discussed creating some network/traffic simulated topologies and it worked awesome for that use case. If you recall from that earlier post tc is short for Traffic Control and allows users to...

Random Comments: 0

2020-07-19

Drinks made on coffee – MentalFloss

Random/Video Comments: 0

2020-06-15

Permanent home-office for all? Not necessarily – Siobhan Morrin

For those who work in offices, the pandemic has completely changed the daily routine. The time and hassle saved without a commute in the WFH world has made a permanent change appealing, with several studies showing most people don’t want to return to the office full-time. However, many leaders say they want their staff to return to the workplace, and not necessarily because they...

Random Comments: 0

2020-06-05

Toilet Gamer Humor

PC Gamer vs Console Gamer vs Mobile Gamer vs Toilet Chair

Comics/Humor

2020-05-02

Cecilie Stenspil on Instagram: “Jeg er den kvindelige hovedfigur Eivor i Assassin’s Creed Valhalla!”

View this post on Instagram 🪐🌏🌍🔥Ihhhhh hvor har jeg Glædet mig til at fortælle jer det her !!!!! – Jeg er den kvindelige hovedfigur Eivor i Assassin’s Creed Valhalla! Håber du kan lide hende !!⚡️✨🪐🔥🔥🔥🔥🔥🔥🔥 I can finally share this exciting news with you all: I’m the voice of female Eivor in Assassin’s Creed Valhalla!💫⭐️💫💫⭐️⭐️💫💫🌪🌪🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥 Check out the Assassin’s Creed...

Random Comments: 0

2020-04-21

Increasing Port Density in Data Centers | Network Computing

Demands for connectivity in the data center are rising, especially in hyperscale data centers where 1728- or 3456-fiber cables are becoming more popular. Connecting such high-fiber-count cables to servers and switches is the key challenge because there’s only so much rack space available. Fiber patch panels are at the center of this challenge. To address this issue, the industry is...

Random Comments: 0

2020-04-04

IPv6 Buzz 048: From Learning To Teaching IPv6 – Packet Pushers

Enjoying this episode on IPv6 learning and personal experience with @vlinder_nl In this week’s IPv6 Buzz episode, we discuss the path from learning IPv6 to teaching it with Nicole Wajer, a Technical Solution Architect at Cisco and a frequent presenter at CiscoLive. She’s an expert on IPv6 training. Source: IPv6 Buzz 048: From Learning To Teaching IPv6 – Packet Pushers

Podcast/Random Comments: 0

2020-03-30

Conference Calls in Zeiten von Corona – YouTube

Random Comments: 0

2020-03-20

Hands-on with Intel Co-Packaged Optics and Silicon Photonics Switch – ServeTheHomeVideo

Random Comments: 0

2020-03-15

Toilet paper even in death

Comics Comments: 0

2020-03-14

Git Rebase Interactive

Being new to git. You will inadvertently struggle. Having opened a pull request (PR), leaving the PR hanging for a while, picking it up Y time later, with several changes have happened in the upstream branch. You will often find yourself in need of using git rebase upstream/master 1)https://git-scm.com/docs/git-rebase. After having rebased recent commits upon the upstream/master branch. You might want...

How-To/Random Comments: 0

2020-02-27

“IPv6 is not real” – NOC employee

#IPv6 isn't real, you just made it up. https://t.co/SpLDW7SUcS — IPv6 Excuses (@ipv6excuses) February 27, 2020

Humor/Random Comments: 0

2018-01-12

How-to VPN: Private Internet Access (PIA) and MikroTik Router

First create a vpn profile to use when creating l2tp/pptp connections to privateinternetaccess. /ppp profile add change-tcp-mss=yes \ comment=”PIA VPN” \ dns-server=209.222.18.222,209.222.18.218 \ name=privateinternetaccess only-one=no \ use-compression=no use-encryption=required \ use-ipv6=no use-mpls=no use-upnp=no Create the l2tp interface /interface l2tp-client add \ comment=”PIA VPN Netherlands” \ connect-to=nl.privateinternetaccess.com \ disabled=no name=pia-de-l2tp \ profile=privateinternetaccess \ user=[l2tp-username] \ password=[l2tp-password] [l2tp-username] Your PIA username for l2tp/pptp/socks...

How-To/Wiki

2020-02-21

Problems with a IPv6 only network – Ben’s Place

In my last post I talked about running a pure IPv6 network, as part of my ISP building project, but still allowing access to resources on the internet currently only available via IPv4.This works well assuming all the clients on the local network are IPv6 capable, unfortunately this is not always the case. There are legacy devices that do not...

Random Comments: 0

2020-02-16

“Almost there” (humour)

When your code is terrible but it somehow works. from ProgrammerHumor

Humor Comments: 0

2020-02-13

Proactive Network Configuration Validation with Batfish – NANOG (2015) Presentation

Batfish is an open-source network configuration analysis tool in active development produced jointly by researchers at University of California, Los Angeles; University of Southern California; and Microsoft Research. Though its individual modules have various applications, its primary purpose is to detect bugs in network configurations. Batfish takes as input a set of network configurations, and an environment, which consists of...

Talks/Video Comments: 0

2020-02-09

XR7, Not Just Another Release

When IOS XR was first designed, mass-scale networking and its related challenges were not around. However, we already had a clear vision of building a highly scalable, reliable, available, upgradeable, high-performance NOS for the service provider space that caters all the way from low-end single chassis systems to massive high-end multi-chassis routers. To meet the rigorous SP requirements, a slew...

Random Comments: 0

2020-02-07

Tool: RPKI Origin Validation Checker

I wrote a small tool to help figure out the impact of deploying “RPKI invalid == reject” routing policies, since not all invalids are equally problematic. Enjoy! https://t.co/qtxs5Z46Yx pic.twitter.com/aw6CCNSLXf — Job Snijders (@JobSnijders) February 6, 2020

Random

Working with TC on Linux systems – dasblinkenlichten

Drinks made on coffee – MentalFloss

Permanent home-office for all? Not necessarily – Siobhan Morrin

Toilet Gamer Humor

Cecilie Stenspil on Instagram: “Jeg er den kvindelige hovedfigur Eivor i Assassin’s Creed Valhalla!”

Increasing Port Density in Data Centers | Network Computing

IPv6 Buzz 048: From Learning To Teaching IPv6 – Packet Pushers

Conference Calls in Zeiten von Corona – YouTube

Hands-on with Intel Co-Packaged Optics and Silicon Photonics Switch – ServeTheHomeVideo

Toilet paper even in death

Git Rebase Interactive

“IPv6 is not real” – NOC employee

How-to VPN: Private Internet Access (PIA) and MikroTik Router

Problems with a IPv6 only network – Ben’s Place

“Almost there” (humour)

Proactive Network Configuration Validation with Batfish – NANOG (2015) Presentation

Getting started with Batfish

XR7, Not Just Another Release

Understanding VXLAN – Videos by Network Direction

Tool: RPKI Origin Validation Checker