Introduction In the previous episode, we covered the fundamentals of multicast networks for trading systems. Now, let’s move on to a slightly more com
Introduction In our network engineer group, the group owner, Parry Wang, gave us a scenario question: Given two tier1 ISP vendors, which provide inter
Introduction The trading network architecture is the most mysterious network in the world. We only know there are multicast and low-latency networks,
Introduction I’ve watched a video on YouTube called “Some boring network engineering interview questions and how to replace them with smarter”. This s
I have been asked this question: Imagine a scenario where we have two LAN networks, each with routers running OSPF. In each LAN network, a DR and a BD
Scenario Topology Summary When we enable RP candidates on R1 and R3, and enable BSR candidate on R5, tunnel interfaces are created for multicast messa
How to troubleshoot effectively? This is a regular question in a lot of interviews. As network engineers, we always face a vast number of network issu
If we have a lot of devices in our network architecture to control, we cannot create a login account for each device. It is so hard to log in to every
Fortigate is one of the most famous firewalls in the world. However, some of its configuration still needs to be done using the command line, such as
creat a directory which blow root authority sudo mkdir grafana_data check creat a compose file sudo nano docker-compose.yml
