switching


Nexus 7000 IPv6 Configuration Pitfalls

I have recently started working in a datacenter configuring quite a few Nexus 7000 series switches to act mainly as datacenter access switches – mainly making use of the popular features of Virtual Device Contexts (VDCs) and Virtual Port-Channels (vPCs).  Well, IPv6 is a key part of the network environment. So for the last week, […]


Why 802.1x is Not Enough: How to Implement SeND – Part 2

Last month I presented the case as to why 802.1x authentication is not enough for local network (wired or wireless) security (go back here to read).  In this post I will present an alternative: IPv6 Secure Neighbor Discovery (SeND).  If you have an IPv6 enterprise, small IPv6 deployment, or a little IPv6 lab then pay […]