Tuesday, January 10, 2012

MCSE Licenses IPv6 Shorthand Notation

By Yolanda G. Weiss


The numbers speak up for themselves. Now, if you wished to apply these addresses to your network, you?d have to go a step further and figure out the address ranges where you'd need to apply them. First you?d start by taking 2 and raising it to the necessary number of bits per individual subnet mask to find out an incremental number like you did earlier. Now, you have managed to subnet your network into one or two different areas and saved yourself tons of IP addresses!

Therefore if you believed subnetting IPv4 was perplexing wait until you meet its younger brother, IPv6! That?s really only a joke. Truthfully, addressing IPv6 isn?t as rotten you'd think. But when most folks even look at MCITP Server Administrator addresses, they right away assume they have to be intrinsically malicious because of their clear unreadability.

If you look at an IPv6 address like 4305:A93E:BADC:8956:3586:8D9C:7032:1423, it seems like rubbish. You may instinctively know on seeing it that it has been laid out in IPv6 format, but it just seems like lots of random numbers and letters thrown together in one place. Thankfully , Here's plenty of reason behind the appearing randomness.

One of the quickest ways in which you can identify and guage an IPv6 address is by using its short- hand notation. As you can tell, a full-length IPv6 address is long. But fortunately, almost all of the time, you'll see a large amount of zeros in an IPv6 address. An especially practical example of one you can encounter is the reserved multicast address FF02:0000:0000:0000:0000:0000:0001: 0002.

As you can see, this actual address has a seemingly unwarranted quantity of zeros (25, in fact). Accordingly, you can shorten this by utilizing the :: notation, which essentially means ?use zeros until.?When you see this symbol start, from that point on, you can insert zeros till you reach a number.




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