fbrendel

[ ID] Interval           Transfer     Bandwidth       Retr                                                                           
[  4]   0.00-10.00  sec   957 MBytes   803 Mbits/sec  490             sender                                                         
[  4]   0.00-10.00  sec   955 MBytes   801 Mbits/sec                  receiver

[ ID] Interval           Transfer     Bandwidth       Jitter    Lost/Total Datagrams
[  4]   0.00-10.00  sec  1.24 MBytes  1.04 Mbits/sec  0.028 ms  0/897 (0%)  
[  4] Sent 897 datagrams

fbrendel

kern.ipc.maxsockbuf 16777216
net.inet.tcp.sendbuf_max 16777216
net.inet.tcp.recvbuf_max 16777216
net.inet.tcp.sendspace 1048576
net.inet.tcp.recvspace 131072
net.inet.tcp.sendbuf_inc 131072
net.inet.tcp.recvbuf_inc 131072
kern.ipc.soacceptqueue 1024
net.route.netisr_maxqlen 2048

fbrendel

# ethtool --show-offload eno1
Features for eno1:
rx-checksumming: on
tx-checksumming: on
        tx-checksum-ipv4: on
        tx-checksum-ip-generic: off [fixed]
        tx-checksum-ipv6: on
        tx-checksum-fcoe-crc: off [fixed]
        tx-checksum-sctp: off [fixed]
scatter-gather: on

fbrendel

Proxmox:

balloon: 0
bootdisk: scsi0
cores: 2
cpu: host
ide2: none,media=cdrom
memory: 3072
name: elvmlx39
net0: virtio=1A:78:93:9D:DC:48,bridge=vmbr0