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I have a somewhat similar setup with a Mellanox Connectx4-lx passed through from a proxmox host to opnsensense on an amd ryzen 7 7745hx system. I have the LAN interface attached to a 25Gb port on my switch but my LAN clients are only 10Gb. I'd be happy to run any iperf tests that may be helpful for you but my WAN link is only 2Gb/1Gb. Inter-vlan routing through the firewall does reach 9-10Gb with iperf3 without the need for jumbo frames.
One quick question for you. You seem to be the only result for someone with a connectx4 running zenarmor/netmap on freebsd/opnsense. This used to be completely impossible if older search results are to be believed due to netmap compatibility issues? I'm guessing netmap is functional on your machine with the connectx4? I have not tried it yet and was unaware of this potential issue.
One quick question for you. You seem to be the only result for someone with a connectx4 running zenarmor/netmap on freebsd/opnsense. This used to be completely impossible if older search results are to be believed due to netmap compatibility issues? I'm guessing netmap is functional on your machine with the connectx4? I have not tried it yet and was unaware of this potential issue.
