In the world of IPv4, every network operator and security person know how to identify the host which sends ‘bad’ IPv4 traffic. In this blog entry, bad means launching an attack or sending malovent ...

IPv6 is a powerful enhancement to IPv4 with features that better suit current and foreseeable network demands, including the following: IPv6 increases the number of address bits by a factor of 4, from ...

i have a linux router that has been faithfully serving IPv4 for quite some time. my ISP is now offering IPv6 and i am looking to get my hands dirty with some newness. being that this topic is mostly ...

Recently I decided to try goofing around with IPv6 on my Cisco 871. I initially started by configuring some basic IPv6 addresses internally but that quickly got boring because there's not much to do ...

Today, the standard methods for moving the network/host address boundary are variable-length subnet masking (VLSM) for host addressing and routing inside a routing domain, and classless interdomain ...