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Subject: Re: How can I wait for a USB Ethernet adapter to appear to configure
 lagg on startup?
To: Masachika ISHIZUKA <ish@amail.plala.or.jp>, freebsd-hackers@freebsd.org
References: <20180518.113009.439302765921485452.ish@amail.plala.or.jp>
 <5AFE439D.4000801@grosbein.net>
From: Eugene Grosbein <eugen@grosbein.net>
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Date: Fri, 18 May 2018 10:09:51 +0700
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18.05.2018 10:08, Eugene Grosbein wrote:

>> I use a nootbook machine.
>> As this machine has no internal nic, I use a USB ethernet adapter(ue0).
>> I want to configure lagg0 of ue0 and iwm0, but I must wait to start
>> /etc/rc.d/netif until appearing the ue0.
>> I'm using patched netif as follows, but I must keep it whenever
>> 'mergemaster -Ui' is run.
>> Is there a more elegant way?
> 
> Yes. In fact, you do not need to wait but "hook" on the event of ue0 creation.
> We have several ways to do that and simpliest one for network interface is
> using /etc/start_if.ue0 script like this:
> 
> #!/bin/sh
> 
> ifconfig ue0 up
> ifconfig lagg0 addm ue0

Sorry, this should be "ifconfig lagg0 laggport ue0"