These are questions, I was able to answer and help others across various different social media boards. The reason behind why I love to help others with tech/networking engineer questions is to share what I’ve learned or currently learning. Note: Please feel free to correct me by leaving a comment below. For anonymity I will … More Questions & Answers: Series 1

Introduction The way BGP advertises routes to peers is via network command. However unlike other IGP(e.g OSPF , EIGRP etc) which summerises the entire network. For example to advertise and summarise an entire /16 network in an IGP (ospf in our example) you would use the following network command: 255.255.255.255 – 255.255.0.0 = 0.0.255.255 RouterA(config-router): … More BGP: Create non-existent entry in CP RIB to advertise entire subnet.

Introduction In traditional networking Inside our router or multilayer switch there is a separation of duties. In order to fully understand these different duties one needs to understand, what happens when a packet enters our ingress and exits the egress interfaces? We must also get a dynamic overview between forwarding and routing. However before we … More Separation of Duties: Control Plane & Data Plane: Part 1

Did you know that a router Can Foward Ethernet Frames just like a switch? Did you know that a router Can Foward Ethernet Frames just like a switch? If packet arrives at router- with the destination address of the encapsulated Ethernet destination field same as the router’s address. It either means the Ethernet frame arrived … More Routers, FIBS and Adjacency’s