Debian9 KVM bridge(桥接网络)
宿主机为debian9，kvm虚拟机桥接网络。适用于Hetzner。
首先安装：apt install -y bridge-utils
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source /etc/network/interfaces.d/* auto lo iface lo inet loopback auto vmbr0 iface vmbr0 inet static address 95.xxx.xxx.xxx netmask 255.255.255.xxx gateway 95.xxx.xxx.xxx dns-nameservers 1.1.1.1 8.8.8.8 bridge_ports enp0s31f6 bridge_stp off bridge_fd 0 auto vmbr1 iface vmbr1 inet static address 10.10.10.1 netmask 255.255.255.0 bridge_ports none bridge_stp off bridge_fd 0 post-up echo 1 > /proc/sys/net/ipv4/ip_forward post-up iptables -t nat -A POSTROUTING -s '10.10.10.0/24' -o vmbr0 -j MASQUERADE post-down iptables -t nat -D POSTROUTING -s '10.10.10.0/24' -o vmbr0 -j MASQUERADE |
Hetzner kvm虚拟机桥接网络，适用于debian系列