Invalid subnet masks

[Eggert, Lars]

On 2015-2-11, at 09:59, Matt Churchyard <matt.churchyard at userve.net> wrote:
> Just been helping someone on the forums who appears to have configured their network interface incorrectly. It looks like they've assigned 250.250.250.0 as the netmask.

that's not invalid. The netmask is a mask and not a prefix like in IPv6.

We could warn when people configure netmasks that are not contiguous prefixes (which is the usual practice), but such configurations need to remain allowed.

Lars

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