Hello! I run Virtualbox on Debian with a network bridge to a real ethernet interface that is a trunk (transports multiple vlans with tags).
My goal is to bring that trunk into the VM, so one bridge exists to the trunk interface and the VM will create subinterfaces. Although, the bridge doesn't detect that those subinterfaces have multiple MAC addresses and doesn't forward ethernet traffic to them unless I enable promiscuous mode in the VM (e.g. start sniffing using tcpdump). If I disable promiscuous mode in the VM, the traffic with dst of the subinterfaces with different MAC will stop. How do I configure that properly, so the bridge behaves like a real bridge that ust learns which MAC addresses are connected to which port and don't filter. -- kind regards Marco Send unsolicited bulk mail to [email protected]
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