From: Arthur van Leeuwen arthurvl@sci.kun.nl
To: lartc@vger.kernel.org
Subject: [LARTC] Re: iptables and DSCP
Date: Fri, 02 Feb 2001 18:08:26 +0000 [thread overview]
Message-ID: <marc-lartc-98373940416956@msgid-missing> (raw)
In-Reply-To: <marc-lartc-98373940416953@msgid-missing>
<PRE>On Fri, 2 Feb 2001, Pavarani Giovanna wrote:
><i> Talking about DSCP field...
</I>><i>
</I>><i> iptables is said to provide all the features of ipchains and something more and
</I>><i> better organized, but with ipchains I was able to set all the DSCP values
</I>><i> in the TOS field, with iptables it seems this is no more possible, only few
</I>><i> values are permitted.
</I>><i>
</I>><i> For example:
</I>><i>
</I>><i> > iptables -t mangle -A PREROUTING -s 10.0.0.2 -j TOS --set-tos 0xb8
</I>><i>
</I>><i> gives me:
</I>><i>
</I>><i> iptables v1.1.2:Bad TOS value '0xb8'
</I>><i>
</I>><i> Am I doing something wrong?
</I>
Yes. You need to specify two values, one and-mask and one or-mask, IIRC.
The new value will be the old value anded with your and-mask and then or-ed
with your or-mask.
Doei, Arthur.
--
/\ / | <A HREF="mailto:arthurvl@sci.kun.nl">arthurvl@sci.kun.nl</A> | Work like you don't need the money
/__\ / | A friend is someone with whom | Love like you have never been hurt
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</PRE>
next prev parent reply other threads:[~2001-02-02 18:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-02-02 16:55 [LARTC] Re: iptables and DSCP Pavarani
2001-02-02 18:08 ` Arthur [this message]
2001-02-02 19:26 ` Matthew
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