Linux单网卡多IP配置-创新互联
DEVICE=enp2s0BOOTPROTO=staticONBOOT=yesDNS1=10.0.10.10DNS2=8.8.8.8HWADDR=B8:88:E3:73:7A:7BIPADDR=10.0.57.114PREFIX=24GATEWAY=10.0.57.1DEVICE=enp2s0:1BOOTPROTO=staticONBOOT=yesDNS1=10.0.10.10DNS2=8.8.8.8HWADDR=B8:88:E3:73:7A:7BIPADDR=10.0.57.115PREFIX=24GATEWAY=10.0.57.1

一、方式一

1.修改/etc/sysconfig/network-scripts/ifcfg-enp2s0 为:(注意:文件名一定要为网卡设备名)
2.cp ifcfg-enp2s0 为 ifcfg-enp2s0:1,并修该ifcfg-enp2s0:1 内容为:
3.重启网卡,然后ifconfig就可以看到。
二、方式二
1.直接配置多个网卡在/etc/sysconfig/network-scripts/ifcfg-enp2s0 里,
不过要用ip addr才能看到多个ip信息,配置如下:TYPE=EthernetBOOTPROTO=noneDEFROUTE=yesIPV4_FAILURE_FATAL=noIPV6INIT=yesIPV6_AUTOCONF=yesIPV6_DEFROUTE=yesIPV6_FAILURE_FATAL=noNAME=za209UUID=7e917b8e-2d35-4630-b314-2d64a2f1f52fONBOOT=noDNS1=10.0.10.10DOMAIN=10.0.15.11HWADDR=B8:88:E3:73:7A:7BIPADDR=10.0.57.230PREFIX=24GATEWAY=10.0.57.1IPADDR1=10.0.57.231PREFIX1=24GATEWAY1=10.0.57.1IPV6_PEERDNS=yesIPV6_PEERROUTES=yes
2.重启网卡,用ip addr命令查看,显示如下:
2: enp2s0:mtu1500 qdisc pfifo_fast state UP qlen1000 link/ether b8:88:e3:73:7a:7b brd ff:ff:ff:ff:ff:ffinet10.0.57.230/24 brd10.0.57.255 scope global enp2s0valid_lft forever preferred_lft foreverinet10.0.57.231/24 brd10.0.57.255 scope global secondary enp2s0valid_lft forever preferred_lft foreverinet6 fe80::ba88:e3ff:fe73:7a7b/64 scope linkvalid_lft forever preferred_lft forever
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