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    Guest VM can "see" outgoing traffic of other hosts

    interesting that no one has given a solution since 2020. anyone knows what's the end story of this?
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    How-to: configure Mellanox ConnectX-3 cards for SRIOV and VFS

    Hi @shpitz461 did you get this issue solved? have you tried iperf-ing at proxmox host instead of VMs? planning to migrate to connectx from x520, looking forward for your reply
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    How to add labels/tags/comments to proxmox nodes?

    omg.. came across this after trying to find how
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    NVME IO Latency 700~800ms, normal?

    no. ext4
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    NVME IO Latency 700~800ms, normal?

    I currently have a Dell R630 with a PCIE to M.2 Adapter running 990 PRO. Quite overkill as it is limited by PCIE gen 3 x 4 speeds. However, I noticed that I/O latency is averaging around 700-800ms, and it would go up to 900ms-1s during high io operations. Is it normal? Anything I can do to...
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    Bridge network setup -> very low MTU from VMs.. why?

    No. tailscale is not routing traffic. this is direct to virtio interface
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    Bridge network setup -> very low MTU from VMs.. why?

    ok so apparently the ping process is not processing incoming ICMP replies.. that's why mtu of 1296 is returned from the script. x > 8.8.8.8: ICMP echo request, id 9, seq 1, length 1480 8.8.8.8 > x: ICMP echo reply, id 9, seq 1, length 76 x > 8.8.8.8: ICMP echo request, id 9, seq 2...
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    Bridge network setup -> very low MTU from VMs.. why?

    Hi, Running a proxmox setup where all VMs are bridged to a single physical interface in host, all with default MTU of 1500. We noticed that websocket connections are closing abruptly, and running the following bash script: size=1272 while ping -s $size -c1 -M do google.com >&/dev/null; do...
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    [SOLVED] Unable to boot Ubuntu 20.04 cloudimg (from Web UI & CLI)

    Hi Tom, That works! Thank you!
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    [SOLVED] Unable to boot Ubuntu 20.04 cloudimg (from Web UI & CLI)

    Hi, New to proxmox here, running Virtual Environment 7.1-7. I downloaded Ubuntu's 20.04 cloudimg directly onto the ISO Images section in Web UI. I was able to download and create VM successfully. During boot, it says that the boot failed: not a bootable disk. Tried searching here on forums...
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