ubuntu系统一网卡多IP配置

#ubuntu18.04配置 

 network:   version: 2   ethernets:     eth0:       dhcp4: no       addresses:         - 222.222.63.231/24         - 192.168.3.11/24       gateway4: 192.168.3.1       routes:         - to: 222.222.63.0/24           via: 222.222.63.1       nameservers:         addresses:           - 202.96.209.5           - 223.5.5.5 

 network:     ethernets:         eth0:             addresses:             - 172.17.20.17/24             - 192.168.1.17/24             gateway4: 192.168.1.1             routes:                     - to: 172.17.20.0/24                       via: 172.17.20.254             nameservers:                 addresses:                 - 114.114.114.114     version: 2 

   

 #ubuntu14.04配置 

 # 主IP地址配置（eth0） auto eth0 iface eth0 inet static     address 192.168.1.19     netmask 255.255.255.0     gateway 192.168.1.1     dns-nameservers 192.168.0.5 

 # 子IP地址配置（eth0:1） auto eth0:1 iface eth0:1 inet static     address 10.2.2.19     netmask 255.255.255.0     gateway 10.2.2.1     dns-nameservers 202.96.209.5 

 ip route add default via 192.168.1.1 dev eth0 metric 100 ip route add default via 10.2.2.1 dev eth0:1 metric 200