Re: Ethernet is not started at boot
On Tue 06 Feb 2018 at 19:53:16 -0500, Michael Stone wrote:
> On Tue, Feb 06, 2018 at 11:00:12PM +0000, Brian wrote:
> > On Tue 06 Feb 2018 at 17:06:36 -0500, Gene Heskett wrote:
> > > On Tuesday 06 February 2018 14:07:55 Brian wrote:
> > > >
> > > > 1. auto enp0s25
> > > > iface enp0s25 inet
> > > > static address 192.168.0.202
> > > > netmask 255.255.255.0
> > > > gateway 192.168.0.1
> > > > network 192.168.0.0
> > > >
> > > > 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.
> >
> > I didn't have to but I did. A line beginning "netmask" is not required".
>
> If you don't specify a netmask it will default to something that was correct
> in the 80s and is probably wrong on your network. The "netmask line" isn't
> required, but if you don't have a netmask line you should specify the
> netmask in the address line (using "ip/netmask" syntax).
Indeed. But a netmask line (while not necessary) doesn't do any harm.
--
Brian.
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