Chapter 3

Networks

We’re going to be covering about a dozen different segments here.

Be aware that the VLANs and subnets I display here are purely an example, feel free to use whatever RFC 1918 addresses you want.

Network VLAN Default Subnets
Generic Users 1100 10.10.0.0/24
Guest Users 1200 10.20.0.0/24
Management 1990 10.99.0.0/24
Internal Services 1300 10.30.0.0/25
DNS 1900 10.90.0.0/24
WAN Exposure 1800 10.80.0.0/24
IoT 1700 10.70.0.0/16
Security Systems 1750 10.75.0.0/16
Quarantine 1690 10.69.0.0/24
Printer 1420 10.42.0.0/24
Internal/External 7001 172.21.1.0/29
Router Loopbacks N/A 10.100.0.0/16
Dead End 666 N/A