Hi everyone,
I do habe a question regardning linux bridges and mac addresses.
I have two identical server with several NICs, each NIC has only one VM/CT connected to it.
For the at the time two VMs (vmbr30 & 31) my switch reconizes the mac addresses of these VMs at the specific port and also shows the corresponding VM mac address and not the mac address of the hardware NIC (it only shows the hardware mac address if the VM is shut down), but for the CTs (vmbr03 & 04) the switch shows the mac address of the hardware NIC connected to the port and not the address of the CT. The CTs are getting an IP and also network access is possible, but connected to the switch itself is the mac address of the NIC not the CT as far as the switch software concerns. And if I restrict to the port by whitelisting the mac address of the CT it is complaining about a second device connected to the port.
VMs & CTs are set to DHCP.
I'm sorry if my description is confusing, but I hope it is somwhow understandable what my issue is.
I.'m running proxmox 8.2.7
Regards,
Jonas


				
			I do habe a question regardning linux bridges and mac addresses.
I have two identical server with several NICs, each NIC has only one VM/CT connected to it.
For the at the time two VMs (vmbr30 & 31) my switch reconizes the mac addresses of these VMs at the specific port and also shows the corresponding VM mac address and not the mac address of the hardware NIC (it only shows the hardware mac address if the VM is shut down), but for the CTs (vmbr03 & 04) the switch shows the mac address of the hardware NIC connected to the port and not the address of the CT. The CTs are getting an IP and also network access is possible, but connected to the switch itself is the mac address of the NIC not the CT as far as the switch software concerns. And if I restrict to the port by whitelisting the mac address of the CT it is complaining about a second device connected to the port.
VMs & CTs are set to DHCP.
I'm sorry if my description is confusing, but I hope it is somwhow understandable what my issue is.
I.'m running proxmox 8.2.7
Regards,
Jonas
  GNU nano 7.2                                                                                                                                                                  /etc/network/interfaces                                                                                                                                                                            # network interface settings; autogenerated# Please do NOT modify this file directly, unless you know what# you're doing.## If you want to manage parts of the network configuration manually,# please utilize the 'source' or 'source-directory' directives to do# so.# PVE will preserve these directives, but will NOT read its network# configuration from sourced files, so do not attempt to move any of# the PVE managed interfaces into external files!auto loiface lo inet loopbackauto eno1iface eno1 inet static        address 10.20.5.14/24        gateway 10.20.5.1#Management - 1Gbitiface enp134s0f2 inet manualiface enp134s0f3 inet manualauto enp24s0f0iface enp24s0f0 inet static        address 10.34.1.14/25#PCIe Slot 2: ZFS Replication - 10Gbitiface enp24s0f1 inet manual#PCIe Slot 2:iface enp94s0f0 inet manual#PCIe Slot 3: SV-FS01-PVE - 10Gbitiface enp94s0f1 inet manual#PCIe Slot 3: SV-DOCKER-PVE - 10Gbitiface eno3np0 inet manual#SV-DNS01-PVE - 1Gbitiface eno4np1 inet manual#SV-PROXY-PVE - 1Gbitiface eno2 inet manualiface eno5np2 inet manualiface eno6np3 inet manualiface enp134s0f0 inet manualiface enp134s0f1 inet manualauto vmbr30iface vmbr30 inet manual        bridge-ports enp94s0f0        bridge-stp off        bridge-fd 0#SV-FS01-PVE - 10Gbitauto vmbr31iface vmbr31 inet manual        bridge-ports enp94s0f1        bridge-stp off        bridge-fd 0#SV-DOCKER-PVE - 10Gbitauto vmbr03iface vmbr03 inet manual        bridge-ports eno3np0        bridge-stp off        bridge-fd 0#SV-DNS01-PVE - 1Gbitauto vmbr04iface vmbr04 inet manual        bridge-ports eno4np1        bridge-stp off        bridge-fd 0#SV-PROXY-PVE - 1Gbitsource /etc/network/interfaces.d/*

			
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