Friday, 22 November 2013

Centralized Authentication for network devices with AAA server (Radius) and IAS

Why should i have Centralized Authentication? or Why should I integrate Active Directory with AAA router? Of course, Managment is very easy. It is not an integration of AD and AAA, What do we do here is using the Active...

Thursday, 21 November 2013

[Solved] GNS3 Error - 206 Unable to create UDP NIO

In this article, I am going to tell you how to resolve the 206 UDP error. I was so irritated to see this "206 Unable to create UDP NIO" error while trying to open any saved topology. The error looks like belo...

Wednesday, 13 November 2013

Centreon - Add Host or Router and monitor bandwidth utilization

In this article, We will be walking through the Centreon configuration steps. You will be answered to the following questions while going through this article. 1) What is Centreon? 2) How to add a router/switch/host/server...

Friday, 26 July 2013

Cloudstack CPU Masking and Heterogeneous Clustering

This article explains about CPU Masking in Cloudstack. Also I deal with Heterogeneous Clustering in Cloudstack Xen (XCP) hypervisor platforms.  Before We Begin: In Cloudstack we have Cluster in which all the Hosts...

Adding a LUN using LVM over HBA in Xen Server and Cloudstack as Primary Storage

This tech blog helps you to configure primary storage in Cloudstack and Xen Cloud Platforms (XCP). I had a Dell Power Edge server which was connected to IBM 3500 Storage Box via a Cisco Fabric Switch 9124. I guess almost...

Redistribution configuration with example - EIGRP and OSPF

This post explains the re-distributional behaviors of OSPF and EIGRP routing protocols. I believe that you already have a little knowledge about both of those protocols. What is Redistribution? Route Redistribution allows...

Monday, 15 July 2013

Step by Step XCP NIC Teaming / Bonding Configuration

NIC Teaming/Bonding helps us to have a grouped link of multiple physical Network Interface Cards. In Xen Cloud Platform we have multiple ways to achieve NIC Bonding. Again each type has its own advantages and disadvantages....