[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]

Re: Access to sub network unreachable.



On Sat, Jan 10, 2009 at 8:26 PM, Rick Stevens <ricks nerd com> wrote:
> Also note that the netmask must be consecutive 1 bits...the first 0 bit
> marks the end of the netmask.

This is probably only of historical interest, but I seem to remember
that originally the netmask could in theory have holes in it, i.e. it
didn't have to be consecutive 1's from the left. No doubt the
introduction of CIDR changed all that.

poc


[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]