Mastering Development System & Network

How to debug packet loss on QEMU/KVM virtual machine which uses multiple VLAN interfaces on single network card

I have a server running under Debian 10. There’s one (for now) virtual machine under QEMU/KVM. Under some circumstances, server has only one network card, but I need VM to have access to two different networks: (internal) and 93.xx.xx.211/29 (external). I managed to set up two VLAN interfaces using systemd-networkd and bridged them into […]