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1、临时添加 ip addr add 10.10.1.1/32 dev lo:1 重启失效 2、永久添加 cd /etc/sysconfig/network-scripts cp ifcfg-lo ifcfg-lo:1 [root@localhost network-scripts]# cat ifcfg-lo:1 DEVICE=lo:1 IPADDR=10.10.1.1 NETMASK=255.255.255.255 ONBOOT=yes NAME=loopback1 [root@localhost network-scripts]# ip addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet 10.10.1.1/32 brd 10.10.1.1 scope global lo:1 valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever [root@localhost network-scripts]# ping -c1 10.10.1.1 PING 10.10.1.1 (10.10.1.1) 56(84) bytes of data. 64 bytes from 10.10.1.1: icmp_seq=1 ttl=64 time=0.045 ms (责任编辑：IT) |