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It may be April 1, but this is no joke! Big Changes Coming to the Community

Today is notable for many reasons.  In prior years, like many, I reserve April 1st as a day where anything can and will happen.... and most of it is a practical joke.  This April first, we've decided to announce significant changes to the community site that are not a 'practical joke.'

DHCPv6 and the Trouble with MAC Addresses (Part 1 of 2)

DHCP in IPv4 has a taken-for-granted characteristic that provides it with powerful management flexibility: If you pull apart a DHCP header you find the MAC address of the host that originated the packet.  

This provides unambiguous identification of a host machine (or, more accurately, a particular interface on a host machine) and has been used for years in network operations to help facilitate everything from configuring fixed addresses in DHCP to provisioning processes, asset tracking, security policy enforcement. 

Recent blog activity

Today is notable for many reasons.  In prior years, like many, I reserve April 1st as a day where anything can and will happen.... and most of it is a practical joke.

The Third Phase of Your IPv6 Adoption Plan: Planning and Design

Posted by Ed Horley

Posted: March 18, 2015 - 10:35:42 AM

In my previous posts I went over details for the first phase of your IPv6 adoption plan, the assessment and...

DHCPv6 and the Trouble with MAC Addresses (Part 1 of 2)

Posted by Tom Coffeen

Posted: March 11, 2015 - 09:45:38 AM

DHCP in IPv4 has a taken-for-granted characteristic that provides it with powerful management flexibility: If you pull apart a DHCP header you find the MAC address of the host that originated the packet.  

IPv6 Versus IPv4 is Not an Either/Or Situation

[Reprinted with Permission by Scott Ware]