Network Topology

Bridge Protocol Data Unit (BPDU)

Zainub Wahid BPDU, Bridge Protocol Data Unit, IP Addresses, IP Addressing, LAN, network, Network ID, Network Layer, Network Topology, networking, Spanning Tree Protocol, STP, switch 2 Comments

Every network device starts communicating with other network device after making sure the other device is on and is working fully. But, how a network device can make sure other device is responsive? Network devices check other devices by sending Hello packets. Other devices after receiving Hello packets send Acknowledgement packets. Network devices usually transmit Hello packets after every few seconds. Continue reading →

Basics of Networking

Zainub Wahid Bus Topology, Connectivity, LAN, MAN, Mesh Topology, network, Network Topology, networking, PAN, Ring Topology, Star Topology, WLAN 1 Comment

Wait for a minute and think about the definition of network! Many you will be thinking:
“Communication between two computers”
“Transferring data from one computer to other computer”
“Connecting two Computers or devices”

All of these are WRONG! Repeat the above mentioned definitions and then concentrate on words. Give 3 seconds to every word and then tell me one thing! Continue reading →