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This article mainly introduces CentOS7 how to add local loopback address, the article is very detailed, has a certain reference value, interested friends must read it!

1. Add temporarily

Ip addr add 10.10.1.1/32 dev lo:1

Restart failure

2. Permanently add

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: 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

The above is all the contents of the article "how to add a local loopback address in CentOS7". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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