[no subject]

QoS (Quality of Service) is an overall measurement/goal/ideal/etc.  

TOS (Type of Service) is an IETF standard (now replaced by DSCP) used to
classify packets.  TOS is part of the IP packet header.  Gorey stuff
here:
  <a  rel="nofollow" href="http://www.aarnet.edu.au/engineering/networkdesign/qos/precedence.html";>http://www.aarnet.edu.au/engineering/networkdesign/qos/precedence.html</a>

&gt; 2.  I've seen other commands used instead of iptables
&gt;     when doing QoS.

Yes, total QoS involves many things.  Usage, jitter, latency, packet
loss, even pure perception (CEO vs new-guy).  There are many
applications, some good, some bad, some free, some $$, none perfect. ;-)

&gt; 3.  Is it possible to limit bandwidth from a specific internal IP 
&gt;     address no matter the load.  Can I say that 192.168.1.5 can only 
&gt;     have up to 5% of the bandwidth period.  No bursting based on load?

Not solely with iptables.  Doing this involves using iptables to
classify (identify) packets with a &quot;tag&quot;, and then using something like
tc or routing software to control tagged packets. Google for &quot;traffic
shaping&quot;, your sure to find much details.  Here are two good starting
points:

  <a  rel="nofollow" href="http://www.tldp.org/HOWTO/Traffic-Control-HOWTO/";>http://www.tldp.org/HOWTO/Traffic-Control-HOWTO/</a>

  <a  rel="nofollow" href="http://lartc.org/";>http://lartc.org/</a>

Warning:  Traffic Shaping (with or without Linux) folks are much more
opinionated than the root/non-root crowd. ;-)

-Jim P.





</pre>
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