Cisco Wireless LAN Controller and Light Weight Access based solution
In this post, I will discuss a real problem faced by me and how I troubleshooted.
The main theme of this topic is “How to setup wireless with Cisco Wireless LAN
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Cloud computing, cloud hosting and cloud storage have been around so long, but not all users really understand what they’re about, or even know that they could actually be using them already. But before going into the basics of what they are, let us first understand what cloud Continue reading 
TOP DOWN TROUBLESHOOTING APPROACH FOR THE NETWORK ENVIRONMENT: 1. FIRST TRY TO UNDERSTAND THE PROBLEM COMPLETELY, IF YOU HAVE A GOOD CLARITY ON THE PROBLEM THEN 50 PERCENTAGE OF THE PROBLEMS HAS BEEN ALMOST SOLVED. 2.THEN TRY TO NOTE DOWN THE WAY THAT WE ARE GOING TO TROUBLESHOOT.THAT SHOULD BE Continue reading One day I was was working on a mysql database, but I forgot root password of mysql. I used some tricks to reset the password. if you are getting this type of issue then you can follow instructions:
Step 1: Stop the mysql service # /etc/init.d/mysql stop
Step Continue reading 
Linux’s built-in firewall iptables is very useful, but pretty hard to configure. I used to use lokkit, but this caused problems when moving between different networks. I was also having problems with the network configuration tools in Ubuntu, which work but aren’t automatic enough for me. And I wanted Continue reading 
This article is about getting Dynamic IP’s for domains such as youtube.com and facebook.com. This is useful when particular task is needed to be done for such domain, tasks such as different route, QoS, prioritization, etc. The following example will be done for youtube.com and facebook.com. Also that Continue reading 
If you do not already understand what ARP is, then you will need to understand that before this article will make much sense. ARP, which stands for “Address Resloution Protocol”, in simple terms is a mechanism that makes it possible for devices that are on an Ethernet-like network Continue reading 
These are my Routers and Switch. I use these devices for CCNA Training. 
General Questions 1: What is the difference between Telnet and SSH? Answer: Although Telnet and SSH are both communication protocols to manage a remote system, the SSH is the secured version of the telnet, and will require key exchange unlike Telnet which sends the data on clear-text. Continue reading 
GNS3: GNS3 is a graphical network simulator that allows simulation of complex networks. To provide complete and accurate simulations, GNS3 is strongly linked with: Dynamips, a Cisco IOS emulator. Qemu, a generic and open source machine emulator and virtualizer. VirtualBox, a free and powerful virtualization software. Continue reading |
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