Clik here to view.
HPE’s DCN / Nuage SDN – Part 1 – Introduction and LAB Installation Tutorial
Nuage Networks is a spinoff from Alcatel-Lucent (now under Nokia as they acquisition Alcatel recently) and also a name of software defined network (SDN) overlay solution for datacenters and direct...
View ArticleClik here to view.
HPE’s DCN / Nuage SDN – Part 2 – First Steps Creating Virtual/Overlay...
In the previous part 1, we have installed basic HPE DCN system on a group of ESXi hosts. But we didn’t actually done anything inside it, so lets fix this by creating a first “HelloWorld” customer that...
View ArticleClik here to view.
[minipost] Capturing bidirectional traffic of virtual machine (VMs) on vmWare...
Here I was getting a trouble with communication between an ESX virtual machine and the nearby switch (Nuage/DCN controller VM talking with a VTEP switch if someone is interested) and because that...
View ArticleClik here to view.
HPE’s DCN / Nuage SDN – Part 3 – REST API introduction
REST-full API, the new trendy bandwagon of cloud automation and SDN due to its simplicity and universal compatibility. TI is essentially a http transfer protocol with JSON payload. And if I confused...
View ArticleClik here to view.
Example of private VLAN isolation across Virtual and Physical servers using...
The target was simple, we have an internal cloud datacenter at work that provides users and customers both virtual machines and physical machines. Each machine has to network interface cards (NICs),...
View ArticleClik here to view.
[minipost] Protecting SSH on Mikrotik with 3-strike SSH ban using only...
After working with Mikrotik / RouterBoard routers for a long time, I recently needed to replace an aging old wifi router at my parents and the recent brand of very cheap Mikrotik WIFI integrated...
View ArticleClik here to view.
HP Networking/Comware NETCONF interface quick tutorial (using python’s...
So let’s learn about NETCONF, but first a bit of history and perspective. Everyone in networking business at least once heard about SNMP (Simple Network Management Protocol), which is the goto protocol...
View ArticleClik here to view.
Network Topology Visualization – Example of Using LLDP Neighborships, NETCONF...
Ok, this is a continuation of two streams of articles here, first my recent NETCONF tutorial here, and secondly my very old project (back then in Java) of visualization of network topologies using SNMP...
View ArticleClik here to view.
[mini-update] Network Topology Visualization #2 – Using SNMP as data source...
After a longer break, I managed to get back to my small visualization experiment from last time, and improve it a little. Firstly, the NETCONF interface was switched for a more standard SNMP one, even...
View ArticleClik here to view.
Network Topology Visualization #3 – Exploring other D3 visualization options...
Foreword First a disclaimer #1, in contrast to the previous articles, here I will NOT describe the collection of data that will be visualized because these datasets were manufactured manually for the...
View Article