Convert Multicast IP To Mac Address Online

For multicast forwarding, the mac addresses in the range 01-00-5E-00-00-00 to 01-00-5E-7F-FF-FF have been reserved. The most significant 25 bits of the above 48-bit mac address are fixed while the lower 23 bits are variable. These lower 23 bits are derived from the lower 23 bits of the multicast IP address. The IP multicast range spans from 224.0.0.0 to 239.255.255.255. The most significant 4 bits of this address range is fixed ( 1110 ). Hence when an IP multicast address maps to a mac address, out of the total of..... Read More

C Program For Generating Incremental MAC And IP Addresses

The other day I had this requirement to generate 4K incremental MAC and IP addresses and use them for some configuration. Typing 4k addresses by hand was never an option. So I spent some time to write a small C program that did the job for me for generating 4K mac and ip addresses starting from a given initial value. The idea was pretty simple The program should be able to print out the addresses which I can copy paste to create eg a command file. The program should take..... Read More

Rental Apartment Inspection Checklist

If you are looking to take a house on rent in the near future, read on. Renting a house is not an easy job. It requires you to visit multiple houses in different apartment complexes. For every house you need to evaluate whether it is fitting your requirements and whether it has all the bare minimum bells and whistles that you desire. photo credit: Sarah_Ackerman If you are lucky, you can find one pretty quickly. On the other hand, you might just have to wait for a good house for..... Read More

VNC Tips When Using a Monitor With Your Laptop

VNC viewer is an excellent tool which can be used to remotely control desktop of machine on your network. In today's world almost each one of us uses a laptop for daily business which is typically connected to a monitor on the desk for projecting the laptop output and thus enabling ease of viewing. Though VNC works seamlessly here , the following few tips would enhance the experience and ensure you get the full screen view in your vnc session even when you have projected your content on to the..... Read More

How To Remove Hypothecation From RC After Car Loan Termination

If you have taken car loan and made the complete payment to the bank either eg by pre-paying your loan amount or by paying out the last EMI of your loan tenure, then the first thing you should do is to get the vehicle transferred from bank's name to your own name. This process is called removal of hypothecation. It is important to get this done since the bank should no longer own/control the vehicle and the rightful ownership should now be in your own name. One of the readers..... Read More

How To Mass Delete Comments From WordPress Dashboard

Recently one of the posts on Inficone got a huge amount of pingbacks from the web. Note that by default I had enabled both comments and pingbacks on this very post. As the pingbacks rose in to thousands, it became very difficult to manage them. Most of these pingbacks were from irrelevant sites and amounted to spam. So I decided to delete these pingbacks from the wordpress dashboard. However I soon ran out of steam as wordpress dashboard allowed me only 20 deletions at a time from the comments panel...... Read More

Tatkaal Passport Renewal Application: A Complete Guide

NOTE - While you may get information that you are seeking in the post content itself, It is strongly recommended that you read through the comments section below the post as well. It contains many first hand experiences of different folks who had gone for passport application and were kind enough to share it here. It had been more than an year since my Indian passport had expired. Because of my laziness and no immediate need for travel, I did not apply for a passport renewal. Possibly I was just..... Read More