May 20, 2011
In the World I See…
I wrote this post several years ago. By writing it I was trying to get people to begin to think about how the size of the IPv6 address space, when combined…
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IT Dojo blog: expert insights on cybersecurity, RMF, DoD compliance, certifications, networking, and federal IT. Updated regularly by our instructors.
May 20, 2011
The Debate Surrounding Section 6.5.4.1
The IANA (Internet Assigned Number Authority) distributes IPv6 address to RIR's (Regional Internet Registry's) around the world.
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May 9, 2011
On the Practical Feasibility of Ping Sweeping IPv6 Networks
Exploring the practical feasibility of ping sweeping IPv6 networks. Includes a spreadsheet for determining how long it will take to sweep your own network.
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May 4, 2011
Basic IPv6 Resolver Configuration in Ubuntu
Configuring Ubuntu's (any Linux distro, really) resolv.conf file with an IPv6 DNS server so you can natively query IPv6 DNS servers.
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May 3, 2011
The Sound of IPv6 Inevitability
The need to migrate to IPv6 is imminent. The IPv4 address space is exhausted. Corporate America can no longer ignore the signs; it's time to get moving.
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May 2, 2011
Delivering DNS via IPv6 Router Advertisements
A brief introduction to the newly created RFC that allows routers to provide DNS server information via Router Advertisements (RA).
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April 28, 2011
If Each IPv6 Address Was a Second in Time
How big is the 128-bit IPv6 address space? If each of the 340 undecillion IPv6 addresses were one second, here is how much time that would add up to.
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April 28, 2011
IPv6 Addresses and UNC Path Names – Overcoming Illegal
The beloved UNC path name, familiar to all who administer Microsoft. After all these years there is something comfortable and familiar in the simple act of…
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April 28, 2011
Link-Local Addressing – So Much More Than FE80
IPv6 link-local addresses cover more than FE80. Why the FE80::/10 prefix also includes FE90, FEA0 and FEB0, with the binary math that explains it.
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April 28, 2011
So Just How Many is 340 Undecillion?
By now most of us know that the IPv6 address space is 128-bits. That's 96-bits larger than the 32-bit IPv4 address space.
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April 28, 2011
What You dig and How You dig It
The Domain Internet Groper, or dig, as most of us know it, is considered by pretty much everybody in the 'nix community to be the replacement to nslookup.
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