Overview and topology This post is a review of basic ISIS on IOS and IOS-XR. It reviews how to configure basic settings in order to get ISIS working. The topology used is as follow : Enabling ISIS The very first … Continue reading
Adding IPv6 In this new scenario we take the same topology but we add IPv6 on it and demonstrate how LISP can be used also for IPv6. LISP would obviously work if we were to implement a full dual stack … Continue reading
LISP Review On the last blogpost about LISP, we have configured LISP to demonstrates how it works as an overlay technology. On the previous topology we had dual homed CE devices (CE1, CE2, and CE3) but we have only configured … Continue reading
What is LISP ? LISP stands for Locator/ID Separation Protocol. This term “Separation Protocol” means that the identifier of the host and the location of a host is now decoupled (hence the separation) compared to the common behaviour where the … Continue reading
Introduction What I often hear about MTU on Nexus 7000 and Nexus in general is that nothing needs to be done and Nexus devices are ready for jumbo MTU right out of the box. The truth is not that simple … Continue reading
What is a Server Pool ? In UCS a Server Pool is a container that can be used to group one of more blades together. The purpose of this is to be able to automatically bind service profiles (or to … Continue reading
Overview Before going into the details of the configuration, let’s sum up what VSS is about. VSS stands for Virtual Switching System, it’s a virtualization technology that can be used on some platforms in order to merge the control plane … Continue reading
A basic understanding of VRFs is necessary in order to move then ISP services like MPLS VPNs. VRFs is also used in situation where BGP and MPLS are not used, the method is called VRF-Lite. What is a VRF ? … Continue reading
HA! I was reviewing a configuration I did some time ago in order to have an exercise for my students and I had the idea to make a blogpost about it. Transition technologies are very interesting and are inevitable. In … Continue reading
No posts since some time now, I have been busy working for the CCIE Written Datacenter and then the HP0-Y32 exam which is the first step to HP MASE certification. A quick review on the CCIE DC Written : It’s … Continue reading