OPNsense Proxmox High Availability Homelab Network Cluster (Maximize Uptime!)
Source: YouTube · Digital Spaceport · published May 5, 2024 · 22:35
This video demonstrates how to create a highly available, "unkillable" internet router by virtualizing OPNsense on a Proxmox cluster to ensure connectivity during hardware maintenance 0:19-0:24.
Key Takeaways:
• Virtualizing OPNsense allows the firewall instance to run on multiple machines, enabling it to migrate across a highly available Proxmox cluster 1:30-1:40.
• Configuring High Availability groups and one-minute replication ensures the router state is synced and ready for failover 5:41-6:08.
• A live test shows that shutting down a host node triggers automatic migration with only millisecond latency, preventing connection drops 8:13-9:07.
• Consistent interface mapping (vtnet0 for WAN, vtnet1 for LAN) across all cluster nodes is critical for the VM to function correctly after moving 14:55-15:18.
This setup offers robust protection against downtime during controlled shutdowns, though it requires consistent configuration and is not designed for uncontrolled power loss.
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First 800 characters of the transcript
is your family ready to fire you over your poor Network Administration skills if you're killing your internet too often with things like virtualized firewalls if so I've got a good solution for you today and this is going to be a little bit simpler than the route you may be taking and at the end of this we're going to have an unkillable internet router whether you're using 1 gbit or whether you're using 100 gbit we're going to be setting up our virtual firewall instance in open sense you could also use pfSense most likely for this with some adaptations but open sense is great for virtualizing in proxmox right off the bat very easily with just a few tweaks because of the addition of quu agent inside it very nicely this is exciting and I hope that I can help you get through probably one of t…