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系统：centos 6/7
问题：
为虚拟机添加新网卡后，/etc/sysconfig/network-scripts/下无配置文件ifcfg-eth1
#ip addr //显示存在eth1
#ip addr eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 00:0c:29:17:29:66 brd ff:ff:ff:ff:ff:ff inet 192.168.192.135/24 brd 192.168.192.255 scope global dynamic eth1 valid_lft 1482sec preferred_lft 1482sec inet6 fe80::20c:29ff:fe17:2966/64 scope link valid_lft forever preferred_lft forever
解决：
#cp /etc/sysconfig/network-scripts/ifcfg-eth0 /etc/sysconfig/network-scripts/ifcfg-eth1 #vim /etc/sysconfig/network-scripts/ifcfg-eth1 HWADDR=00:0C:29:17:29:66 #修改为eth1的mac地址 TYPE=Ethernet BOOTPROTO=static DEFROUTE=no PEERDNS=yes PEERROUTES=yes IPV4_FAILURE_FATAL=no IPV6INIT=yes IPV6_AUTOCONF=yes IPV6_DEFROUTE=yes IPV6_PEERDNS=yes IPV6_PEERROUTES=yes IPV6_FAILURE_FATAL=no NAME=eth1 #修改为eth1 #UUID=93285a79-5ad6-4d55-ae5a-b417ce7f4d31 #注释掉 ONBOOT=yes #service network restart
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原文地址：http://www.cnblogs.com/su-han/p/5485343.html
