memorandum of network tech

How to collect packet capture on Aruba CX switch

October 2, 2023 k2hiro 0

Sometimes you end up in a situation where you need to collect live packet captures during the course of your troubleshooting session. Normally, configuring a mirror port is the simplest way to do that. However, it requires physical access to […read more]

Setting up EVPN-based VXLAN on ArubaOS-CX

May 29, 2020 k2hiro 0

ArubaOS-CX OVA supports EVPN-based VXLAN as well. Let’s build the topology below in EVE-NG. Configure ports and vlan. Once basic IP connectivity is confirmed, proceed to setup BGP control plane for EVPN. We use the ‘Router’ CX as route reflector […read more]

Setting up static VXLAN on ArubaOS-CX

May 29, 2020 k2hiro 0

ArubaOS-CX 6000 series switch supports VXLAN, both static and dynamic (EVPN). The virtual version also supports it. Let’s learn basic VXLAN configuration using a virtual lab on EVE-NG. ArubaOS-CX 8400/83xx series switch do not support VXLAN as of version 10.04.1000. […read more]

Disable confirmation dialog for opening external application on EVE-NG

May 21, 2020 k2hiro 0

If you use Chrome browser, you may feel annoyed seeing the confirmation dialog every time you click a node to open a console on EVE-NG virtual lab. You can disable it by adding a key to windows’ registry. Save below […read more]

Building basic BGP/OSPF network with AOS-CX

May 20, 2020 k2hiro 0

ArubaOS-CX software has highly scalable architecture and it can cover wide range of products from edge switch model (e.g. 6200) to DC core switch model (e.g. 8400). Consequently, the virtual version of AOS-CX also covers wide range of switch functions […read more]

Simple 802.1X authentication on AOS-CX

May 20, 2020 k2hiro 0

The AOS-CX virtual switch can authenticate wired device connected to it with 802.1X or MAC address authentication. It also supports major Radius extentions such as Accounting or Dynamic Authorization (RFC3576). For ‘real’ CX switch series, the same is supported on […read more]

Add NAT device and Windows client in EVE-NG

May 18, 2020 k2hiro 0

This time I explain how to add NAT device in EVE-NG virtual lab. In latter section I also explain the steps to add Windows virtual client and connect it to AOS-CX switch so I can test AOS-CX’s edge functionalities such […read more]

EVE-NG installation and setup

May 15, 2020 k2hiro 0

In this article I’ll show you how to install and setup EVE-NG to run a small lab using Aruba CX switch and Aruba VMC(Virtual Mobility controller) images. I assume VMware ESXi as a host server and windows PC as a […read more]