On Tue, Feb 06, 2018 at 05:06:36PM -0500, Gene Heskett wrote: > On Tuesday 06 February 2018 14:07:55 Brian wrote: > > netmask and network are not needed. ifupdown will compute them. Note > > there are no examples in interfaces(5) which use these parameters. > > > You should go and read that man page again. In stretch, Brian is correct. In jessie and wheezy, Gene is correct. Both of them seriously needs to learn how to delete lines of text.