参考网址：
[Debian 搭建自己的DNS服务器，编译安装 dnsmasq 最新版 | 趣域网域名百科 (quyu.net)](https://www.quyu.net/info/1451.html)
[Hackintosh on KVM (附 Proxmox VE NAT 配置) - evi0s' Blog](https://evi0s.com/2020/03/07/hackintosh-on-kvm-with-pve-nat-configuration/)
[dabian直接网络安装proxmox](/e69bd2cfe0b64d4392e2c42bfd618a3e)
一、编辑 /etc/network/interfaces
iface eno1 inet manual
#eno1为公网网卡名称，全局替换
auto vmbr0
iface vmbr0 inet static
address 公网IP
netmask 24
gateway 网关
bridge-ports eno1
bridge-stp off
bridge-fd 0
auto vmbr1
iface vmbr1 inet static
address 192.168.101.1
netmask 24
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 '192.168.101.0/24' -o vmbr0 -j MASQUERADE
post-down iptables -t nat -D POSTROUTING -s '192.168.101.0/24' -o vmbr0 -j MASQUERADE
二、刷新网络配置（此处最好重启看下会不会 失联）
三、配置dnsmasq
apt-get install make gcc xz-utils -y
apt install dnsmasq
配置dnsmasq配置文件
/etc/dnsmasq.conf
interface=vmbr1
listen-address=192.168.101.1,127.0.0.1
dhcp-range=192.168.101.100,192.168.101.200,72h
dhcp-option=3,192.168.101.1
dhcp-option=option:dns-server,114.114.114.114
重启服务让配置生效
systemctl restart dnsmasq
四、创建虚拟机网卡选择vmbr1
欢迎指出任何有错误或不够清晰的表达，可以在下面评论区评论。
