Subnet mask Archives » NetworkUstad

Subnetting Unveiled: Master the Art of Network Segmentation 2025

Posted on July 15, 2019 by Asad Ijaz 1 Comment

Subnetting allows a network administrator to create a smaller network known as sub-networks or subnets inside a large network by borrowing bits from the Host ID portion of the address. It implements and manages a practical IP addressing plan by partitioning a single physical network into more than one smaller logical sub-network (subnets), enhancing control… Read more

Host Forwarding Decisions: Computer host device determining data packet forwarding using subnet checks and a default gateway.

Host Forwarding Decisions: A Complete Guide to Packet Routing

Posted on June 9, 2019 by Asad Ijaz

In computer networking, every device—a laptop, server, or router—must decide how to forward data packets to their destinations. While routers specialize in forwarding traffic across networks, hosts (end devices like PCs) also make critical forwarding decisions using subnetting, routing tables, and protocols like ARP or IPv6 NDP. This article demystifies how hosts and routers make forwarding decisions, with… Read more