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Date:      Thu, 17 Jun 1999 16:18:39 +0100
From:      Brian Somers <brian@Awfulhak.org>
To:        Khetan Gajjar <khetan@os.org.za>
Cc:        questions@freebsd.org
Subject:   Re: tun0 in promiscous mode ? 
Message-ID:  <199906171518.QAA05020@keep.lan.Awfulhak.org>
In-Reply-To: Your message of "Thu, 17 Jun 1999 01:45:16 %2B0200." <Pine.BSF.4.10.9906170142060.35942-100000@chain.freebsd.os.org.za> 

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> Hi.
> 
> I used tcpdump -i tun0 to set tun0 into promiscuous mode,
> but it doesn't appear to have switched this bit off,
> and I don't see anything in the ifconfig man pages on how
> to set this. I've tried ifconfig tun0 down and then
> ifconfig tun0 up, but this doesn't fix it.
> 
> 37=[khetan] /$ ifconfig tun0
> + ifconfig tun0
> tun0: flags=8151<UP,POINTOPOINT,RUNNING,PROMISC,MULTICAST> mtu 1500
>         inet xxx.xxx.xxx.xxx --> yyy.yyy.yyy.yyy netmask 0xffffff00 
> 
> Does anyone know how to get tun0 to switch the promisc bit off ?

The driver should probably turn it off when the device is closed... 
but bear in mind, promiscuous mode means nothing on a non-broadcast 
interface.

> ---
> Khetan Gajjar       (!kg1779) * khetan@os.org.za
> http://khetan.os.org.za/      * Talk/Finger khetan@khetan.os.org.za
> FreeBSD enthusiast            * http://www2.za.freebsd.org/


-- 
Brian <brian@Awfulhak.org>                        <brian@FreeBSD.org>
      <http://www.Awfulhak.org>;                   <brian@OpenBSD.org>
Don't _EVER_ lose your sense of humour !          <brian@FreeBSD.org.uk>




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