Learn OSPF with Darrell Root’s OSPF tutorial videos

When trying to debug OSPF issues recently I found a set of excellent video tutorials from Darrell Root: – I believe this is his website: He has a playlist of videos called Cisco Hands-On Training: I found his videos super helpful, and a very clear explanation of how OSPF works, and how […]

Linux Networking Systems Administration

Notes from debugging OSPF between cisco devices and Linux FRR ospfd configs

When trying to find why my ospf configs were not sending the correct costing from Linux -> Cisco devices, I found some useful commands that I thought I would note down for future reference. Linux – Using vtysh My ospfd.conf looks something like this: You can see the costs on linux using the vtysh command: […]