Dhcp
RouterOS DHCP Scripts and RADIUS Start/Stop Surprises
RouterOS DHCP server scripting with RADIUS accounting only firing on start/stop, not renewals.Mikrotik CRS3xx Switching
MikroTik CRS3xx series switch evaluation: comparing CRS309-1G-8S+IN and CRS328-24P-4S+ models, tracking feature progression through RouterOS versions (spanning-tree, port isolation, DHCP snooping, MLAG support, VXLAN), and multi-vendor interoperability with HPE/Cisco switches.Internet Connection Sharing
Tracking down rogue DHCP server on corporate network: using arpwatch to identify Mac sharing causing 192.168.137.x leases, correlating MAC to CDP/switch port, and why DHCP snooping prevents these issues.Raspberry Pi DNS/DHCP Server
Building a home lab DNS/DHCP appliance on Raspberry Pi: installing ISC DHCP and BIND, wiring dynamic DNS updates, and serving multiple VLANs with relay helpers.