promiscuous mode

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    vzdump causing interface to enter promiscuous mode, triggering duplicate IP address warnings from Ethernet switch

    My backups (to PBS) are scheduled to run every night at 1:30am. For the last few nights, I get a warning from my Unifi switch saying that "multiple devices are using IP address 192.168.20.51..." which is the IP assigned to my bare metal PVE node. Nothing special about the node, it's a Mini NUC...
  2. S

    Proxmox guest VMs under nested virtualization do not apply DHCPOFFER replies

    I've read through dozens of similar posts, but none seem to relate to this specific issue, and it's a weird one. If I install Proxox 7.4VE as a guest VM under an existing VMware environment (on metal), the networking/DHCP/everything in VE works as expected. If I then install an Ubuntu guest VM...
  3. H

    Network device promiscuous mode

    Hi everyone, I am getting the following syslog messages every 10 seconds or so. It has been happening for a long time, I have updated packages, restarted Proxmox, etc. but this keeps happening: Oct 05 16:16:42 pve kernel: device eth0 left promiscuous mode Oct 05 16:16:43 pve kernel: device lo...
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    How to detect packets on mirrored port using Promiscuous mode on a VM running on Proxmox

    I have a Proxmox server with four network ports eno1, eno2, eno3, eno4. The eno4 is used for management console and internet access using vmbr0 linux bridge. I have created a vmbr1 bridge for the port mirrored destination port eno1. But I am not able to see the traffic when I run Wireshark on...
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    Network device entered promiscuous mode, blocking state, disabled state

    Hi All, My PVE host starting to show on display this messages (I copied them from /var/log/messages): Feb 7 08:27:52 pve kernel: [ 11.557802] device tap100i0 entered promiscuous mode Feb 7 08:27:52 pve kernel: [ 11.587512] fwbr100i0: port 1(fwln100i0) entered blocking state Feb 7...