all about networking
Reading Time: 19 minutesMost organizations are moving to a network where all ports are authenticated. This could lead to problems when we try to connect an AP to a network port as AP authentication is more than just an accept. There are two types of AP that might be considered. First, the Campus AP, which needs to connect … Read more
Reading Time: 9 minutesI was asked on how to configure LACP for AP’s connected to a controller and I was not able to answer this question out of my mind so I decided to figure it out for myself. And as always, when I need to test something, I write a post about it. This is my post … Read more
Reading Time: 4 minutesIn several meetings I get the question, how can I sent different DHCP options to different devices. The answer is to use the DHCP Vendor Class Identifier, DHCP option 60. Every device sends this option to the DHCP Server, and each DHCP Server can answer with specific options, depending on the option 60. I will … Read more
Reading Time: 8 minutesWith modern architectures and campus designs, you do not need spanning tree anymore. But how could you protect from spanning tree BPDU’s and loops in the access area, e.g. from external devices? The classical scenario is the cleaner, putting the free cable into the switch because it is in his way. ArubaOS switches have some … Read more
Reading Time: 4 minutesAruba Instant is a very simple and easy to use WLAN solution. In some projects, I have the situation, that users are placed in VLAN 1. Which is easy with Aruba Instant. But unfortunately, VLAN 1 is the default management VLAN and the AP itself should not be placed in VLAN 1. This was impossible … Read more
Reading Time: 10 minutesThis post is all about operator login with ClearPass. I show the implementation of authenticating a network operator to Aruba Switches, Comware based switches, Aruba Controller and AirWave. For some devices, I will show the process with TACACS+. For those, which do not support TACACS+, I use radius authentication, which I describe in a later … Read more
Reading Time: 5 minutesThis time I will demonstrate the Aruba central provisioning process, to zero touch deploy switches and Aruba Instant AP’s. The process is using Aruba Activate as well. But let’s start at the beginning. What is Aruba Central Aruba Central is the cloud-based management solution from HPE Aruba. In the past, Aruba Central was used to manage … Read more