Re: [gentoo-user] netbook connects to Internet automatically, desktop doesn't

[Mick]

On Tuesday 10 Feb 2015 22:36:00 Philip Webb wrote:
> 150210 Mick wrote:
> > On Tuesday 10 Feb 2015 03:36:19 Philip Webb wrote:
> >> Dec 31 19:00:29 localhost dhcpcd[1346]:
> >>   enp1s0: using IPv4LL address 169.254.91.169
> >
> > Your netbook has it enabled.  It self-configures an IP address
> > and then every so many seconds broadcasts on the wire
> > to find if there is a DHCP server listening.
> > When it finds one it requests an IP address from it.
> >
> > Your desktop hasn't.  When the link comes up again nothing kicks in
> > to either request an IP address from the DHCP server
> > or to self-configure one temporarily.  Either enable IPv4LL
> > or install ifplug/netplug to achieve the same end result.
>
> Thanks for the suggestion, but I still don't know how to proceed.
> I assume that the absence of the line above + this line
>
>   Dec 31 19:00:29 localhost dhcpcd[1346]:
>     enp1s0: adding route to 169.254.0.0/16
>
> results in the desktop machine killing the Dhcpcd process :
>
>   # PP : 'ioff', remove conn'n
>   dhcpcd[11404]: sending signal ARLM to pid 997
>   dhcpcd[11404]: waiting for pid 997 to exit
>   dhcpcd[997]: received signal ALRM from PID 11404, releasing
>   dhcpcd[997]: enp5s0: removing interface
>   dhcpcd[997]: enp5s0: releasing lease of 192.168.1.2
>   dhcpcd[997]: enp5s0: deleting route to 192.168.1.0/24
>   dhcpcd[997]: enp5s0: deleting default route via 192.168.1.1
>   dhcpcd[997]: exited
>
> which then has to be restarted via 'dhcpcd' after replugging the conn'n.
>
> However, even after searching thro'  /etc  again, Googling etc,
> AFAICS there's no difference in config files between the  2  machines.
> So how do I "enable IPv4LL' (smile) ?

If you are using dhcpcd it is enabled by default, unless you use -L (--
noipv4ll) in /etc/conf.d/net

Have you disabled this in your desktop, or are you not using dhcpcd?

-- 
Regards,
Mick