这个配置文件哪里有错误？

yqxjlf

ubuntu server
interfaces文件，这个配置重启网卡后可以ping通网关，但ping不通外网，只留下eth0，其它的都删除，重启后可以ping通外网，是什么问题呢？


# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo eth0 eth0:1 eth0:2 eth0:3 eth0:4 eth0:5
iface lo inet loopback

# The primary network interface
iface eth0 inet static
address 192.168.0.111
netmask 255.255.255.0
broadcast 192.168.0.255
gateway 192.168.0.1

iface eth0:1 inet static
address 192.168.0.112
netmask 255.255.255.0
broadcast 192.168.0.255
gateway 192.168.0.1

iface eth0:2 inet static
address 192.168.0.113
netmask 255.255.255.0
broadcast 192.168.0.255
gateway 192.168.0.1

iface eth0:3 inet static
address 192.168.0.114
netmask 255.255.255.0
broadcast 192.168.0.255
gateway 192.168.0.1

iface eth0:4 inet static
address 192.168.0.115
netmask 255.255.255.0
broadcast 192.168.0.255
gateway 192.168.0.1

iface eth0:5 inet static
address 192.168.0.116
netmask 255.255.255.0
broadcast 192.168.0.255
gateway 192.168.0.1