cRPD EVPN VXLAN Type 5

I was in need of a reproducible, quick and simple setup with a working EVPN VXLAN tunnel using Type-5, advertised via BGP. Type-5 routes are interesting, as they are advertised with enough information for sending VXLAN packets in the data plane (Linux kernel) by advertising the tunnel endpoint, VNI# and MAC address via extended community.... Continue Reading →

VXLAN offload using tc flower on ConnectX-5

Overview After exploring XDP for some time for L2TPv3 and VXLAN, I wanted to dig deeper into hardware offload capabilities, specifically for VXLAN, but without using Open vSwitch (OVS). Mellanox has some great blog posts to get me started: https://community.mellanox.com/s/article/Configuring-VXLAN-Encap-Decap-Offload-Using-tcPlus some help from their official documentation:https://community.mellanox.com/s/article/Configuring-VXLAN-Encap-Decap-Offload-Using-tc What follows is a detailed description of me recreating... Continue Reading →

iPad and IPMI Serial-Over-LAN (SOL)

IPMI is great to manage servers remotely. A web interface offers full manageability, including power on/off and reset. It also comes with a remote console feature using HTML5 (or Adobe Flash), but that's where I got stuck using just my iPad Pro: it doesn't work. But there is also an option to use Serial-Over-LAN (SOL)... Continue Reading →

Deploy Juniper vMX via Docker Compose

Deploy Juniper vMX via Docker Compose Being able to download and run Juniper vMX on KVM and ESXi has really helped me learning more about networking, telemetry and build automation solutions. But the software dependencies combined with manual editing and launch of shell scripts per vMX instance felt a bit outdated to me. Why can’t... Continue Reading →

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