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SWITCH Stories

DriveNets Boasts Cloud-Native Router Breakthrough

Published on: 2019-04-17

Cloud-native router startup DriveNets has followed up its February funding announcement by claiming its virtualized routing software, dubbed Network Cloud, can support 400G-per-port routing and be scaled up to a whopping 768 Tbit/s, making it (possibly) the highest capacity router on offer.

Ericsson, Swisscom launch commercial 5G network in Switzerland

Published on: 2019-04-17

Ericsson and carrier Swisscom have switched on what it claims to be the first large-scale commercial 5G network in Europe to support commercially available smartphones, the vendor said in a statement. The partners went live with the network on April 17, following Swisscom's securing of a ...

What SDN is and where it’s going

Published on: 2019-04-16

Hardware reigned supreme in the networking world until the emergence of software-defined networking (SDN), a category of technologies that separate the network control plane from the forwarding plane to enable more automated provisioning and policy-based management of network resources.

What SDN is and where it’s going

Published on: 2019-04-16

Hardware reigned supreme in the networking world until the emergence of software-defined networking (SDN), a category of technologies that separate the network control plane from the forwarding plane to enable more automated provisioning and policy-based management of network resources.

Juniper opens SD-WAN service for the cloud

Published on: 2019-04-09

Juniper has taken the wraps off a cloud-based SD-WAN service it says will ease the management and bolster the security of wired and wireless-connected branch office networks.

Juniper opens SD-WAN service for the cloud

Published on: 2019-04-09

Juniper has taken the wraps off a cloud-based SD-WAN service it says will ease the management and bolster the security of wired and wireless-connected branch office networks.

Iliad Launches 5G Ready IP Network Architecture with Segment Routing IPv6 in Italy

Published on: 2019-04-09

PARIS - MPLS+SDN+NFV World Congress - April 9, 2019 - Cisco announced today its involvement in helping Iliad deploy a state-of-the-art national IP Network, powered by Segment Routing IPv6 (SRv6), to provide a new mobile offering in Italy.

Digitally responsible or digitally intoxicated?

Published on: 2019-03-13

The technology, media and telecommunications (TMT) industries cover a broad range of digital sins, which touch upon most, if not all, aspects of our everyday lives. A science fiction reality The TMT sector is currently booming with unparalleled growth, diversity and convergence which, in turn, ...

Review: 4 open-source network management tools improve usability, performance

Published on: 2019-01-22

Network management tools have come a long way from the early command-line products with arcane, text-based configuration files that kept everyone except the resident (typically Linux) guru in the dark. Today's management tools, replete with desktop or web-based GUIs, easy installs and ...

The Confluence of SD-WAN and Microsegmentation

Published on: 2019-04-18

If you had to pick two really hot topics in the networking space right now, you'd be hard-pressed to find two more discussed than SD-WAN and microsegmentation. SD-WAN is the former "king of the hill" in the network engineering. I can remember having more conversations about SD-WAN in the last ...

802.11ax Is NOT A Wireless Switch

Published on: 2019-04-10

802.11ax is fast approaching. Though not 100% ratified by the IEEE, the spec is at the point where most manufacturers and vendors are going to support what's current as the "final" version for now. While the spec for [what marketing people like to call Wi-Fi ...

Unfortunately, Seeing Isn’t Always Believing With Meraki Network Topology View

Published on: 2019-03-31

The only thing worse than an important feature that's missing in a network management solution is an important feature that works wrong. Those of us who pay for these systems expect the features that we trade our dollars for to actually, well, work. And bad information is just terrible in that ...

Cisco IP Phone 7800/8800 Series with MPP Firmware

Published on: 2019-03-28

The Cisco® IP Phone 7800/8800 Series with Multiplatform Phone Firmware is a cost-effective, high-fidelity voice and video communications portfolio designed to improve your organization's person-to-person communications while reducing your operating costs on approved ...

Migration Strategy: Moving From MPLS/LDP to Segment Routing

Published on: 2019-03-21

MPLS core networks that use Label Distribution Protocol (LDP) are common in SP core networks and have served us well. So, the thought of pulling the guts out of the core is pretty daunting and invites the question why you would want to perform open-heart surgery on such critical infrastructure.

Empower Your Business with the TOP 10 Cisco Items

Published on: 2019-03-21

Router-switch.com is having a big promotion on top-rated Cisco products including routing, switching, collaboration and security. The 4000 Series offers solutions for highly secure SD-WAN connectivity, application experience, unified communications, network automation, virtualization, and branch ...

Cisco 4000 Series Integrated Services Routers Configuration Guide

Published on: 2019-03-18

The 4000 Series offers solutions for highly secure SD-WAN connectivity, application experience, unified communications, network automation, virtualization, and branch and direct Internet access security-all in one platform. Cisco 4000 branch router is a digital-ready platform that offers at ...

10 Tools, Selectors Help You Find the Right Network Product

Published on: 2019-03-15

Router-switch.com collected 10 configuration tool and network hardware selectors to help customers easily find the right network items. Also wanna know the latest prices of Cisco, HPE, Huawei, Dell ? Cisco/HPE/Huawei Price Checking Tool can help you!

3 Challenges for Network Engineers Adopting Ansible

Published on: 2019-03-14

Ansible, ansible, ansible seems to be all we hear these days. There are lots of resources out there all trying to convince us this is the new way get stuff done. The reality is quite different - adoption of tools like this is slow in the networking world, and making the move is hard for...

Cisco Live – Network Building Blocks for IoT

Published on: 2019-03-07

Cisco Live happened in Barcelona end of January, and as usual I am a little late with my blog posts about it. Like the last two years I was invited to join the group of technology experts for Tech Field Day Extra, with various presentations covering a number of new and improved Cisco ...

Aruba Wireless Controllers: Architecture & Configurations

Published on: 2019-02-21

A little bit of training, some researching, and a lot of time on the GUI is what I found to be the recipe in getting comfortable with Aruba Wireless Controllers. Even though I spent more time configuring the controllers via GUI, knowing the syntaxes I now find it much simpler to do it via the CLI.

Dealing with Performance Brownouts

Published on: 2019-02-07

I've done a couple of application slowness (brownout) troubleshooting sessions recently. This blog is my attempt to condense some observations from both engagements, to share lessons learned. "Condense" might not be the right word, seeing how long this blog got! Troubleshooting with some process ...

Dynamic Network Diagrams, This is what we need!

Published on: 2019-02-26

We all create network diagrams. Network Engineers create network diagrams. But for who ? When ? How they are accurate ? Do we really need network diagrams ? Let me share my thoughts with you. Network engineers have been creating network diagrams, physical diagrams, logical diagrams, showing ...

A Discussion On Storage Overhead

Published on: 2019-01-28

Let's talk about transmission overhead. For various types of communications protocols, ranging from Ethernet to Fibre Channel to SATA to PCIe, there's typically additional bits that are transmitted to help with error correction, error detection, and/or clock sync. These additional bits eat up ...

Fibre Channel Login

Published on: 2019-01-26

There are three login processes to happen before the initiator can communicate to the target. The initiator will need to register itself to the fabric (FLOGI), then once registered, it needs to create a session to the target (PLOGI) and then exchange the required parameter both supports for ...

Postman Collection for vRealize Network Insight APIs

Published on: 2019-01-24

When developing automation and using APIs, Postman is a very welcome tool. I use it to test out API calls and to make sure I format the calls correctly, before translating it to the code of whatever I'm working on.

My Home Automation Gear

Published on: 2018-12-30

I've mostly kept this blog around virtualization technology. Over the last few months, I've had more and more conversations about home automation and how my house is tricked out. A lot of people seem to be interested in my setup, so I'm going to start sharing more on the gear, workflows & results.

GORUCK Land Navigation Heavy - East AAR

Published on: 2018-12-20

In June my son and I completed our first GORUCK Heavy event, the Land Nav on the west coast in Southern California. You can read the AAR here. It wasn't but a few weeks later that the coordinator of the event started to plan a similar event for the east coast and the location was identified as ...

PlexxiPulse – Plexxi HCN™, The Most Powerful Software-Defined Network, Now Available On Dell

Published on: 2018-02-23

This week, we announced support for Dell Networking Z9100-ON and Dell Networking S4048-ON data center fabric switches. Plexxi HCN™ will give Dell customers the power to scale data center networks flat and cost-effectively while still delivering unrestricted performance for all application ...

Innovation or Iteration

Published on: 2018-02-16

The word "innovation" gets thrown around a lot these days. I wouldn't blame anyone if the word now evokes a gag reflex similar to how we all eventually reacted to "cloud" a few years back. Every product and presentation seemed to be reworked to make it appear it was a "cloud" product.

Juniper RADIUS-delivered switching filters

Published on: 2018-11-06

I've been experimenting with getting RADIUS to deploy switching filters to Juniper switches recently, as part of a reference architecture demo. The concept is called REACH2020 and combines network virtualisation with the ability to identify network users and devices so that categories of user ...

Installing Moloch on Debian 9 Stretch

Published on: 2018-10-31

A tutorial explaining how to install Moloch, Elasticsearch and Java on Debian 9 Stretch.

Intent-Based Network Automation with Ansible

Published on: 2017-09-06

The latest in all the networking buzz these days is Intent-Based Networking (IBN). There are varying definitions of what IBN is and is not. Does IBN mean you need to deploy networking solely from business policy, does IBN mean you must be streaming telemetry from every network device in ...

Cisco Smart Install Remote Code Execution

Published on: 2018-04-05

At the end of March, Cisco published a stack-based buffer overflow vulnerability in Smart Install Client code. This vulnerability enables an attacker to remotely execute arbitrary code without authentication. So it allows getting full control over a vulnerable network equipment. Cisco Smart ...

RedNectar’s Hyperflex Pre-Install Checklist (Updated)

Published on: 2018-10-06

Completing Cisco's Pre-installation Checklist for Cisco HX Data Platform will capture all the information you need, but not necessarily in the order you need it, and for a single site only. So, I decided to write a version that gets the information in the order you need it and in a format that's ...

Meraki's LittleTable Isn't So Little Anymore #MFD3

Published on: 2018-09-26

Way, way back in 2013, I attended Wireless Field Day 4 and I heard a presentation by Sean Rhea of Meraki about their backend database LittleTable, how it was developed, how it worked and how it grew. A few highlights of Sean's presentation covered the server redundancy with data-center ...

App-V: Office 365 Pro Plus and SAP EPM COM Add-in loading issue

Published on: 2018-09-04

In the past months the preparation for Windows 10 image, core applications and App-V software packages has been done. The client migrations are now ongoing where several issues have pop-up during the switch from Windows 7 to Windows 10. New Office 365 Pro Plus installation is there and the need ...

Attacking Wireshark

Published on: 2018-09-03

Every once in a while there is some news about Wireshark being vulnerable to being attacked/exploited/pwned, meaning that there is a way to craft frames/packets in a pcap/pcapng file to make Wireshark crash and (if done right) execute malicious code. So let's take a look at what that means and ...

Resolution Immediacy and Deployment Immediacy – ACI Master Class

Published on: 2018-08-17

When configuring ACI, have you ever wondered what those Resolution Immediacy options [ Immediate | On Demand | Pre-provision] and the Deployment Immediacy options [ Immediate | On Demand] do? Read on to find out. I always like to start with a picture.

Cisco OpFlex

Published on: 2018-06-12

Cisco ACI uses OpFlex to communicate with VMWare DVS/VDS. OpFlex is an extensible policy protocol designed to exchange abstract policy between a network controller and a set of smart devices capable of rendering policy. OpFlex relies on a separate information model understood by agents in both ...

The Overlay Problem: Getting In and Out

Published on: 2016-09-30

I've been researching overlay network strategies recently. There are plenty of competing implementations available, employing various encapsulations and control plane designs. But every design I've encountered seems ultimately hampered by the same issue: scalability at the edge. Why Build an ...

L3 fabric DC -The underlay Network (BGP) -part2

Published on: 2017-01-17

In the previous post, we laid the foundation of L3 fabric DC In this post we will discuss the underlay network which mainly provide IP reachability plus ECMP capability, here BGP would play a role in your DC next to the 3 other that we discussed one of the previous posts.

L3 fabric DC -The underlay Network -Part1

Published on: 2016-12-07

In the previous posts we have discussed the classic DC designs and the M-LAG solution. In this post we will cover the basic L3 fabric DC, you might never heard of it or you think that's a solution for massive scale DC, yes the massive DC in the world would be running L3 fabric but nowadays more ...

Classic DC and M-LAG

Published on: 2016-08-29

In the pervious post we talked about BGP in Data Center and how it is a topic of discussion in between the DC and the SP arenas. In this post I will start explaining some classic DC design and laying its shortage which will engage the SP gurus with us, as well it will make sure ...

It's Dirty Work, But Somebody's Gotta Do It

Published on: 2015-02-14

Network Engineers are known to have to work in dirty places like under desks, janitors closets (err I mean network closets), and those weird spaces in mechanical rooms in which someone decided to hide a switch or two.

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