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 ...

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 ...

Friday I posed an open-ended IPv6 addressing question. Today I’ll start working towards the solution – but more importantly, I want to find out whether you personally, if you were preparing for the ...

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 ...