Re: [gentoo-user] re: alternating between wired and wireless interfaces

[Frank Steinmetzger]

On Sat, Sep 21, 2013 at 01:47:24PM +0300, Alexander Kapshuk wrote:

> I have both wired and wireless network interfaces configured:
> box0 log # rc-update show|egrep 'enp3s0|wlp2s0'
>            net.enp3s0 |      default
>            net.wlp2s0 |      default
>
> (1). Is there a way to instruct the system as to which network interface
> to use, so it doesn't try to bring up the one not intended to be used at
> boot time:
> box0 log # egrep 'enp3s0|wlp2s0' messages
> -------------------------------------------
> […]
> /etc/init.d/net.enp3s0[1801]: ERROR: net.enp3s0 failed to start
> […]
> /etc/init.d/netmount[2007]: ERROR: cannot start netmount as net.enp3s0 would not start
> […]
> /etc/init.d/sshd[2008]: ERROR: cannot start sshd as net.enp3s0 would not start
> […]
> -------------------------------------------
> (2). sshd seems to start only if the wired interface is up. How do I
> tell it start when the wireless interface is running?
> box0 log # rc-status|egrep 'enp3s0|wlp2s0|sshd'
>  net.enp3s0                                               [ stopped  ]
>  net.wlp2s0                                               [ started  ]
>  sshd                                                     [ stopped  ]

It seems to me that your problem is that you’re not always connected
with both interfaces at the same time. In the default configuration,
network-dependent services only start if all network services are up
and running. This is most annyoing for laptop users who might not be
connected at all at times.

The solution is to not have network services depend on all interfaces.
Please look at /etc/rc.conf for rc_depend_strict; if you set it to "NO",
then services are satisfied with any net.* service, even net.lo.

I suppose there is a way to set up something more fine-tuned in
/etc/conf.d/net, but that must be explained by someone else as I
lack that knowledge. ;)
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