Another IP for the lo interface?

Question

linux

How to correctly set one more IP for the lo interface in ArchLinux (outside 127.х.х.х)?

Answer 1

Wrote a service file for systemd
ipforlo.service

[Unit]
Description=168.192.215.x net for host
After=network.target

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/usr/bin/ip addr add 192.168.215.1/24 broadcast 192.168.215.255 dev lo
ExecStop=/usr/bin/ip addr del 192.168.215.1/24 broadcast 192.168.215.255 dev lo

[Install]
WantedBy=default.target

Answer 2

If you decide to do this, then you have done something wrong before.
So the question is why?

Answer 3

Reading:
It is advisable to study the RFC in general to understand why this cannot be done.
Well, if the screenshots are completely incomprehensible:
This applies not only to Windows, but to any OS.