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Date:      Mon, 13 Feb 2017 08:16:17 -0700
From:      The Doctor <doctor@doctor.nl2k.ab.ca>
To:        "C. L. Martinez" <carlopmart@gmail.com>
Cc:        freebsd-virtualization@freebsd.org
Subject:   Re: tap interfaces disappears after bhyve guests shutdowns
Message-ID:  <20170213151617.GA84767@doctor.nl2k.ab.ca>
In-Reply-To: <20170213120938.hr3zu7flnm33v3zn@scotland.uxdom.org>

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On Mon, Feb 13, 2017 at 12:09:38PM +0000, C. L. Martinez wrote:
> Hi all,
> 
>  Why when a bhyve guest shutdowns or reboot tap interfaces goes down and lost IP assigned address?. I need to use same tap interface for several guests and assign an IP to this tap interface to act as a router for these guests.
> 
>  How can I do a "persistent tap" interface??
> 
> Thanks.
> I
> -- 
> Greetings,
> C. L. Martinez

Here is wht I do in my /etc/rc.local file


/sbin/ifconfig tap8 inet 204.209.81.52 netmask 0xffffff00
/sbin/ifconfig tap0 inet 204.209.81.53 netmask 0xffffff00
/sbin/ifconfig tap1 inet 204.209.81.54 netmask 0xffffff00
/sbin/ifconfig tap7 inet 204.209.81.55 netmask 0xffffff00
/sbin/ifconfig tap2 inet 204.209.81.56 netmask 0xffffff00
/sbin/ifconfig tap4 inet 204.209.81.57 netmask 0xffffff00
/sbin/ifconfig tap3 inet 204.209.81.58 netmask 0xffffff00
/sbin/ifconfig tap6 inet 204.209.81.59 netmask 0xffffff00
/sbin/ifconfig bridge0 alias 204.209.81.60 netmask 0xffffff00
/sbin/ifconfig tap5 inet 204.209.81.61 netmask 0xffffff00
/sbin/ifconfig tap9 inet 204.209.81.62 netmask 0xffffff00
/sbin/ifconfig tap10 inet 204.209.81.63 netmask 0xffffff00
/sbin/ifconfig tap11 inet 204.209.81.64 netmask 0xffffff00
/sbin/ifconfig tap12 inet 204.209.81.65 netmask 0xffffff00
/sbin/ifconfig tap13 inet 204.209.81.66 netmask 0xffffff00
/sbin/ifconfig tap14 inet 204.209.81.67 netmask 0xffffff00
/sbin/ifconfig tap15 inet 204.209.81.68 netmask 0xffffff00


You can do something similar in /etc/rc.conf 


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