On Sun, May 21, 2023 at 10:49 PM <cor...@free.fr> wrote: > Hello list, > > currently the netmask for an IPv4 is 255.255.255.255. > I am just not sure, why can't the netmask for IPv4 be 768.768.768.768? >
The IPv4 standard only allows each octet to be a value between 0 - 255. Each Octet is 8 binary bits which adds up to a total of 255 if all bits are set to on. The only address that should have a netmask of 255.255.255.255 is the Loopback interface. Tim > Can I set that a netmask directly in linux OS? > If so we have much more IPv4 space available, even no IPv6 is needed. > > Thank you. > Corey H. > > -- ⢀⣴⠾⠻⢶⣦⠀ ⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system ⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/ ⠈⠳⣄⠀⠀
