DNS

What is a DNS Records When a computer attempts to access any resource on the Internet, it uses a an IP address. When browsing the web, we usually type in a domain name like http://www.google.com into our browser. This is better than trying to remember an IP address linked to a Google server. The DNS…

Trying Brute Force using Kali

Loaded Kali Linux on my new Raspberry Pi 4 to start learning some hacking tools. My first brute force(dictionary) attack I decided to try it on lab FTP server. I know the username but I need to get the password for FTP server. I use hydra tool on Kali to crack the password. As I…

“Hey Siri” Run Backup

The only programming language which I used in my life Was C++ and that was in my first year B.tech(17 years before).After that I never tried programming. During the Covid-19 lockdown I started learning python for Cisco Devnet certifications. I started falling in love with coding. The way I used to work changed with network…

Export Costing sheet from CCW

As a Presales Consultant one thing I hate to do was costing sheet Depending on the size of the BOQ, it take hours of work for just one costing sheet. Copying CCW BOQ to Costing template. it’s a boring acctivity. When started learning Devenet, the first thing which came to my mind was developing a…

Random MAC Address and ISE

Random MAC is recent change happened with our mobile devices . When users connect with random mac, ISE will show the end point as UNKNOWN and it will be difficult for us to do profiling. In this topic first session will be regarding the Random MAC and how to enable/disable from device. The second session…

Prime Collaboration Deployment(PCD) Compatibility

Last week i had a migration from 8.X to 12.5.With PCD, the migrations was smooth. Planning migration is important. Before upgrading its mandatory to read below documents. In this topic i cover the supported Release Matrix. Upgrade and Migration Guide Release Notes Ream Me Cisco Prime Collaboration Deployment Administration Guide CUCM CUC IM UCCX

IP Phone Registration Process(SIP/SCCP)

If you have a clear idea regarding the process/steps involved on an IP phone registration, you can easily troubleshoot issues related to the registration. In this topic I have explained steps involved for both SIP and SCCP phones registration with the Cisco Unified Communications Manager. SCCP Phone Registration Process 1. SCCP phone obtains the Power…