Debian 8 9 10 11 添加/新增/修改/多IP 配置网卡 配置IP

Debian 11 配置IP

1. 网卡配置文件：/etc/network/interfaces
2. 假设当前IP 192.168.1.5 需配置IP 192.168.1.6
3. 文件内必要参数：

   auto lo
   iface lo inet loopback
   
   auto eth3
   iface eth3 inet static
       address 192.168.1.5
       netmask 255.255.255.0
       gateway 192.168.1.1
       dns-nameservers 223.5.5.5 114.114.114.114

4. 多IP配置文件内容如下：

   auto lo
   iface lo inet loopback
   
   auto eth3
   iface eth3 inet static
       address 192.168.1.5
       netmask 255.255.255.0
       gateway 192.168.1.6
       dns-nameservers 223.5.5.5 114.114.114.114
   auto eth3:0
   iface eth3:0 inet static
       address 192.168.1.6
       netmask 255.255.255.0
   

5. 重启网卡：service networking restart