this post was submitted on 26 Nov 2023
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virtualising means you can make more use of resources on system rather than having two systems and dedicating one to specific task.
On the other hand you can bork the hypervisor and then be without internet and possible become the families public enemy #1 :)
But it's generally pretty stable. Not use opnSense but do have a virtualised router using SophosXG. One nic from the VM is tied to vmbr0 which is the main virtual bridge that ties my virtual machines to the rest of the network. The IP is my default gateway.
the second NIC is done as PCIe pass through and this connects direct to my cable modem.
I could have bound this NIC to another vmbr and would have worked just as well. However there was some discussion in r/proxmox about performance impacts if you have a very fast internet connection (something to with srv-io iirc).