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Thanks a lot man!!

Without you I wouldnt find the issue tbh. The reason my second port didnt work was that I didnt set the way of receving ip address on port configuration in OPNsense. After setting DHCP everything went up, connections are switching when my main is down and its going back to normal when the main is back. Thanks a lot!!
This post will remain for the future use :D

[25.7.5]

Hello guys

I have OPNsense on Proxmox with intelNUC and usb lan adapters which are working fine. Wanted to make dual wan so that second WAN will work as a backup. It is data transmission modem. Modem is connected to opnsense via usb lan adapter then in proxmox i have bridged physical adapter with virtual network card which is added to opnsense machine. Im setting up multi wan with this guide https://docs.opnsense.org/manual/how-tos/multiwan.html I'm configuring it exactly the same as in guide but despite that WAN2 stays offline. I wanted to exclude the network adapter so I have simply added this card to some linux machine to test if it works and provides the internet and it works like a charm. Any idea what can we do to fix that issue with opnsense? Proxmox version is 25.7.5
Found some other topic regarding multiwan here and when it comes to NAT rules there are only rules for WAN1, dunno how to add them manually.

Assignments


Gateway groups


Outbound NAT rules

Hello there,

New poster here. First thing first what I have here is Intel NUC mini PC with 1 built-in 1Gbit port (e1000e) and additional USB LAN Adapter with RTL8153 chipset. This PC is running Proxmox virtualization (7.4.3) with 3 linux machines and recently made OPNsense VM created from iso.  Everything went smooth except that Im not reaching my full throughput that ISP provides. This thing is happening on Windows hosts connected via cable or wifi doesnt really matter. One weird thing is that when I make a speedtest on Linux machine (Debian) inside the proxmox Im reaching full throughput which is 200-250mb/s.


E1000E Card - LAN
RTL8153 - WAN
2x - 1Gbit Dumb TP-LINK switches


Screen from Windows HOST speedtest


Screen from Debian VM speedtest



Any idea how can I solve this issue to make it work as it should on all systems?