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Date: Fri, 22 Nov 2024 11:19:39 +0100
From: Natanael Copa <ncopa@alpinelinux.org>
To: daggs <daggs@gmx.com>
Cc: ~alpine/users@lists.alpinelinux.org
Subject: Re: nic hotplug ip renewal
Message-ID: <20241122111939.4342e7fb@ncopa-desktop.lan>
In-Reply-To: <trinity-ed8f70cb-ed78-46ae-859b-97e9e0487953-1732262354675@3c-app-mailcom-bs13>
References: <trinity-ed8f70cb-ed78-46ae-859b-97e9e0487953-1732262354675@3c-app-mailcom-bs13>
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On Fri, 22 Nov 2024 08:59:14 +0100
daggs <daggs@gmx.com> wrote:

> Greetings,
> 
> I have this interface file:
> auto lo
> iface lo inet loopback
> 
> allow-hotplug vnet0
> iface vnet0 inet dhcp
> 
> when vnet0 get visible, there is no ip assignment, so I wrote a script that tries to run ifup on the adapter and when it success, it bails out.
> thing is, after the lease time is over (~10 hours of lease), the nic looses the ip, how can I configure the lease to be renewed when needed?
> I'm using openrc and eudev on alpine 3.20.x

I think for this the simplest solution would be to use dhcpcd. Let
interfaces file only have lo interface and

  apk add dhcpcd && rc-update add dhcpcd boot

-nc