Skip to content

Post-Cutover Verification — 2026-02-21

Date: 2026-02-21 Event: OPNsense gateway cutover Phase 2 completed

Network Topology (Post-Cutover)

ISP Modem (ARRIS TG2482, bridge mode)
  │
  └── nic0 / vmbr0 ── OPNsense WAN (vtnet0) ── Public IP via DHCP
                         │
                       OPNsense LAN (vtnet1) ── 192.168.0.1/24
                         │
              nic1 / vmbr1 ── MokerLink Switch
                    │         │         │
                Docker VM   TP-Link   RPi 5
              192.168.0.10  AP mode  (pending)
                            192.168.0.2

Proxmox mgmt: 192.168.0.237 (on vmbr1)

DHCP Configuration

Setting Value

| Server | OPNsense ISC DHCPv4 | | Range | 192.168.0.100 – 192.168.0.250 | | Gateway | 192.168.0.1 | | DNS | 192.168.0.10 (Pi-hole) | | Domain | cronova.local |

Mac Sanity Check

Check Result

| IP | 192.168.0.105 (DHCP) | | Gateway | 192.168.0.1 (OPNsense) | | DNS | 192.168.0.10 (Pi-hole, from DHCP) | | Manual DNS overrides | None | | Internet | Working (47ms to 8.8.8.8) | | DNS resolution | google.com via Pi-hole | | Tailscale | All nodes visible, Proxmox direct |

Running Services

Docker VM (192.168.0.10)

Container Status

| caddy | Up (healthy) | | vaultwarden | Up (healthy) | | pihole | Up (healthy) | | watchtower | Up (healthy) |

VPS (100.77.172.46)

Container Status

| headscale | Running | | uptime-kuma | Running | | caddy | Running | | ntfy | Running | | headscale-backup | Running |

Tailscale Mesh

Node Tailscale IP Status

| augustos-macbook-air | 100.86.220.9 | Active | | oga (Proxmox) | 100.78.12.241 | Active, direct | | docker | 100.68.63.168 | Active | | opnsense | 100.79.230.235 | Active | | beryl-ax | 100.102.244.131 | Active | | mombeu | 100.110.253.126 | Active |

Key Files

File Location

| Proxmox network config | /etc/network/interfaces + /etc/network/interfaces.d/vmbr1 | | Proxmox config backup | /etc/network/interfaces.original, vmbr1.original | | OPNsense config | /conf/config.xml | | OPNsense config backup | /conf/config.xml.bak | | DHCP generated config | /var/dhcpd/etc/dhcpd.conf | | Docker VM network | /etc/network/interfaces (192.168.0.10, gw 192.168.0.1) | | Cutover execution plan | docs/opnsense-cutover-execution-2026-02-21.md |

Useful Commands

# OPNsense access via SSH tunnel
ssh -J [email protected] [email protected]

# OPNsense web UI via SSH tunnel
ssh -L 8443:192.168.0.1:443 [email protected]
# Then open https://localhost:8443

# TP-Link admin via SSH tunnel
ssh -L 8080:192.168.0.2:80 [email protected]
# Then open http://localhost:8080

# Restart OPNsense DHCP
ssh -J [email protected] [email protected] 'configctl dhcpd restart'

# Reconfigure OPNsense WAN (force DHCP re-request)
configctl interface reconfigure wan

# Check DHCP leases on Mac
ipconfig getpacket en0

# Check firewall rules on OPNsense
pfctl -sr | grep vtnet1
pfctl -sn