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README.md

Home Network Infrastructure Documentation

Overview

This documentation covers the complete home network setup including IP allocation scheme, DHCP reservations, VLANs, and device inventory for a 192.168.0.0/24 network managed by OPNsense.

Network: 192.168.0.0/24
Router: OPNsense at 192.168.0.1
Last Updated: December 27, 2025

Network Architecture

Core Infrastructure

  • Router/Firewall: OPNsense (192.168.0.1)
  • DNS/Ad Blocking: AdGuard Home (192.168.0.11)
  • Reverse Proxy: Nginx Proxy Manager (192.168.0.10)
  • VPN: Tailscale integration

IP Allocation Scheme

192.168.0.1         - OPNsense Router
192.168.0.2-9       - Reserved for future infrastructure
192.168.0.10-29     - Core Services (VMs/Containers)
192.168.0.30-49     - User Computers & Laptops
192.168.0.50-69     - Mobile Devices & Tablets
192.168.0.70-79     - TVs & Media Devices
192.168.0.80-99     - Smart Home IoT
192.168.0.100-119   - Network Infrastructure (APs, switches, extenders)
192.168.0.120-139   - Hypervisors & Storage
192.168.0.140-149   - Reserved for expansion
192.168.0.150-200   - DHCP Pool (Guest devices only)
192.168.0.201-254   - Future expansion

Infrastructure - Core Services (10-29)

Hostname Service IP MAC Address Type Status
npm Nginx Proxy Manager 192.168.0.10 bc:24:11:5b:1d:a2 Docker ✅ Active
adguard AdGuard Home 192.168.0.11 BC:24:11:47:27:43 LXC ✅ Active
vaultwarden Vaultwarden 192.168.0.12 BC:24:11:A8:44:A1 LXC ✅ Active
crafty Crafty Controller 192.168.0.13 BC:24:11:70:10:E5 LXC ✅ Active
nextcloud Nextcloud 192.168.0.14 02:99:5b:4c:b3:e6 VM ✅ Active
homeassistant Home Assistant 192.168.0.15 02:46:0b:d8:35:7c VM ✅ Active
foundryvtt FoundryVTT 192.168.0.16 bc:24:11:ad:cb:f6 VM ✅ Active
openmediavault OpenMediaVault (NAS) 192.168.0.17 bc:24:11:2c:68:58 VM ✅ Active
wordpress-irodori WordPress - Irodori 192.168.0.18 bc:24:11:42:70:2a VM ✅ Active
wordpress-dustin WordPress - Dustin 192.168.0.19 bc:24:11:7e:fc:ff VM ✅ Active

User Devices - Computers (30-49)

Hostname Device IP MAC Address Notes
jamiepc Jamie's PC 192.168.0.30 50:eb:f6:5a:71:f2 Primary workstation
jamie-gaming-vm Linux Gaming VM 192.168.0.31 bc:24:11:b2:20:b0 Gaming VM
3d-printer 3D Printer (Bambu A1) 192.168.0.32 10:b4:1d:d7:02:2c Network printer
haruka-laptop Haruka's Laptop 192.168.0.33 a8:41:f4:8d:b9:5b Laptop
hp-printer HP Printer 192.168.0.34 a8:b1:3b:01:c2:ce Network printer

Mobile Devices (50-69)

Hostname Device IP MAC Address Notes
jamie-phone Jamie's Mobile (S23) 192.168.0.50 1a:de:e8:f1:a5:d3 Samsung Galaxy S23
haruka-phone Haruka's Mobile (S25) 192.168.0.51 4e:c7:f7:bc:f1:c5 Samsung Galaxy S25
samsung-tablet Samsung Galaxy Tablet 192.168.0.52 ee:a1:23:9f:1e:c5 Tablet

TVs & Media Devices (70-79)

Hostname Device IP MAC Address Notes
unknown-media-1 Unknown Media Device 192.168.0.70 e8:ca:c8:6d:b0:7f Likely TV or streaming
unknown-media-2 Unknown Media Device 192.168.0.71 a0:d0:5b:c7:13:28 Likely TV or streaming
unknown-media-3 Unknown Media Device 192.168.0.72 20:23:51:08:19:76 Likely TV or streaming

Smart Home / IoT (80-99)

Hostname Device IP MAC Address Notes
tapo-hub-h100 Tapo Hub/Chime H100 192.168.0.80 a8:29:48:88:84:d6 Smart home hub
tapo-leak-t300 Tapo Water Leak Sensor T300 192.168.0.81 20:23:51:d0:b1:7d Battery powered
tapo-bedside-l530 Tapo Smart Bulb L530 - Bedside 192.168.0.82 20:23:51:08:19:76 Smart bulb
tapo-bedroom-l530 Tapo Smart Bulb L530 - Bedroom 192.168.0.83 b0:19:21:17:a7:c3 Smart bulb
tapo-hallway-a-l530 Tapo Smart Bulb L530 - Hallway A 192.168.0.84 f0:09:0d:b6:4a:8d Smart bulb
tapo-hallway-b-l530 Tapo Smart Bulb L530 - Hallway B 192.168.0.85 40:ae:30:67:a2:46 Smart bulb
tapo-porch-l530 Tapo Smart Bulb L530 - Porch 192.168.0.86 3c:64:cf:63:58:da Smart bulb
tapo-plug-jamiepc-p110 Tapo P110 Smart Plug - Jamie PC 192.168.0.87 40:ae:30:50:c8:62 PC power monitoring
tapo-plug-3dprinter-p110 Tapo P110 Smart Plug - 3D Printer 192.168.0.88 b0:19:21:17:a5:7e 3D printer power
yeelight-color4 Yeelight Smart Bulb 192.168.0.89 58:b6:23:41:e1:ff Smart bulb
reolink-kitchen Reolink E1 Camera - Kitchen 192.168.0.90 54:ef:33:bd:be:e0 Security camera
reolink-outdoor Reolink Camera - Outdoor 192.168.0.91 e8:ca:c8:6d:b0:7f Security camera
tuya-unknown-1 Tuya Device - Unknown 192.168.0.92 a8:b1:3b:01:c2:ce Dehumidifier/lights/IR

Network Infrastructure (100-119)

Hostname Device IP MAC Address Notes
tplink-ax55 TP-Link AX55 Router/AP 192.168.0.100 40:ae:30:f8:27:f0 WiFi Access Point
tplink-re450 TP-Link RE450 Range Extender 192.168.0.101 5c:62:8b:8d:cb:d6 WiFi Extender

Hypervisors & Storage (120-139)

Hostname Device IP MAC Address Notes
proxmox-1 Proxmox Server 1 192.168.0.120 10:ff:e0:11:46:9f Primary hypervisor
proxmox-2 Proxmox Server 2 192.168.0.121 74:d4:35:97:f4:9d Secondary hypervisor

DHCP Configuration

Current Settings

  • DHCP Pool: 192.168.0.150 - 192.168.0.200 (51 addresses)
  • Purpose: Guest devices and temporary connections
  • Static Reservations: 33 devices with confirmed MACs

DNS Settings

  • Primary DNS: 192.168.0.11 (AdGuard Home)
  • Secondary DNS: 192.168.0.1 (OPNsense fallback)

VPN / Tailscale

IP MAC Address Purpose
100.65.128.1 e0:cb:19:60:87:70 Tailscale VLAN device
100.65.159.134 bc:24:11:be:cf:af Tailscale VLAN device (permanent)

Network Statistics

  • Total Active Devices: 35
  • VMs/Containers: 10
  • User Computers: 5 (3 PCs + 2 printers)
  • Mobile Devices: 3 (2 phones + 1 tablet)
  • TVs & Media: 3
  • Smart Home/IoT: 13 (9 Tapo + 1 Yeelight + 2 Reolink + 1 Tuya)
  • Network Infrastructure: 2 (AP + Extender)
  • Hypervisors: 2
  • Static Assignments: 33 devices
  • DHCP Pool Size: 51 addresses

Known Issues

Tapo App Issues

  • Bedroom light (192.168.0.83): Showing incorrect info in app
  • 3D printer plug (192.168.0.88): App showing wrong MAC, verify after print finishes
  • Resolution: Use ARP table MACs as source of truth

Devices Needing Attention

  • Factory reset recommended for Tapo devices showing app glitches after migration

Maintenance Tasks

Regular Tasks

  • Monthly: Review DHCP leases for new unknown devices
  • Quarterly: Audit static IP assignments
  • Quarterly: Update device firmware (routers, APs, cameras)
  • Yearly: Review and optimize IP allocation scheme

Pending Tasks

  • Factory reset Tapo devices with app issues

Security Considerations

  1. Network Segmentation: Consider VLANs for IoT devices
  2. Guest Network: DHCP pool isolated from static devices
  3. Firewall Rules: OPNsense manages inter-VLAN traffic
  4. DNS Filtering: AdGuard Home provides ad/tracker blocking
  5. Remote Access: Tailscale VPN for secure remote access

Backup Strategy

What to Backup

  1. OPNsense Configuration: XML backup from web interface
  2. DHCP Reservations: CSV export (included in this repo)
  3. Network Documentation: This README and related files
  4. AdGuard Home Config: Settings and filter lists

Migration Notes

Troubleshooting

Device Not Getting Reserved IP

  1. Check MAC address in router's ARP table
  2. Verify DHCP reservation exists
  3. Release/renew DHCP lease on device
  4. Check for MAC address conflicts

Cannot Access Device

  1. Verify device is online (ping IP)
  2. Check if device changed MAC (WiFi vs Ethernet)
  3. Review firewall rules in OPNsense
  4. Check DNS resolution in AdGuard Home

IoT Device Issues

  1. Tapo devices: Check app vs ARP table for correct MAC
  2. Battery devices (water sensor): Won't always appear in ARP
  3. For offline devices: Power cycle or factory reset

Tools & Commands

Identify Device by MAC

# Online MAC lookup
curl -s "https://api.macvendors.com/5c:62:8b:8d:cb:d6"

# Or use OUI lookup
# First 6 characters (3 octets) identify manufacturer

Scan Network

# Using nmap
nmap -sn 192.168.0.0/24

# Using arp-scan (more reliable)
sudo arp-scan --interface=eth0 192.168.0.0/24

Check Current IP/MAC

# View ARP table
arp -a

# Or on OPNsense
arp -an | grep 192.168.0

Configuration Files:

  • dhcp-reservations.csv - DHCP static assignments export
  • Network Inventory.docx - Human-readable network map
  • opnsense-config.xml - OPNsense configuration backup (not in repo)

Last Updated: December 28, 2025

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