On Mon, May 22, 2023 at 3:41 AM Tim Woodall <debianu...@woodall.me.uk> wrote:
> On Sun, 21 May 2023, Timothy M Butterworth wrote: > > > The only address that should have a netmask of 255.255.255.255 is the > > Loopback interface. > > > > I don't much use ipv4 any more if I can avoid it but isn't it normal for > point-to-point links to have a netmask of 255.255.255.255? > Point-to-point links should have a mask of 255.255.255.252. This provides a Network, Broadcast and two host addresses. It definitely can be, maybe not so common as I assumed. > > loopback is a /8 > The 127.0.0.1 is a /8 but you can assign a public IP address to loopback which is useful on routers. A /32 provides a Network, Broadcast and Host address as a single address because there is only one host. -- ⢀⣴⠾⠻⢶⣦⠀ ⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system ⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/ ⠈⠳⣄⠀⠀
