Topics Covered
Subnetting & Addressing
CIDR, VLSM, IPv4/IPv6, subnet planning
Routing
Static vs dynamic routing, OSPF, BGP, route summarization
Switching
VLANs, trunking, EtherChannel, STP, inter-VLAN routing
Cloud Networking
AWS VPCs, route tables, subnets, NAT gateways, peering
Available Guides
AWS VPC
VPC Basics
Understanding AWS Virtual Private Clouds, subnets, and core components
Route Tables
How routing works in AWS VPCs and route table configuration
Routing Protocols
Static vs Dynamic Routing
Comparing routing methods and when to use each
OSPF
Open Shortest Path First link-state routing protocol
BGP
Border Gateway Protocol for internet and hybrid cloud
Subnetting
CIDR Notation Table
Complete IPv4 CIDR reference with subnet masks and usable hosts
VLSM Calculator
Variable-Length Subnet Masking resources and calculator
Switching
VLAN Trunking (802.1Q)
Understanding and configuring VLAN trunking on switches
External References
VLSM Calculator
Variable-Length Subnet Masking calculator tool
AWS VPC Documentation
Official AWS VPC documentation
Cisco Networking Basics
Cisco CCNA certification resources