I will be out of the office from 8/19 until 8/23. I will be returning on Monday
afternoon, 8/26, and will reply then.
Thank you,
Michael Pellegrino
Softerware, Inc.
___________________________________________________________________________
Subject: LARTC digest, Vol 1 #730 - 3 msgs
From: lartc@mailman.ds9a.nl
Date: 08/21/02 01:27:45
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Today''s Topics:
1. iproute and iptables (James Ma)
2. Re: iproute and iptables (Thilo Schulz)
3. Re: HTB equivalent for ''bounded'' and
''isolated'' in CBQ (Amit Kucheria)
--__--__--
Message: 1
From: "James Ma" <jma@nsicomm.com>
To: <lartc@mailman.ds9a.nl>
Date: Tue, 20 Aug 2002 18:21:52 -0400
Subject: [LARTC] iproute and iptables
This is a multi-part message in MIME format.
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Dear all,
I am newbie. However, I tried iptables recently and succeeded. I don''t
understand the relationship between iptables and iproute2, is iproute used to
replace iptables?
Thanks,
James
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charset=3Diso-8859-1">
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<STYLE></STYLE>
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<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>Dear all,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I am newbie. However, I tried
iptables recently and=20
succeeded. I don''t understand the relationship between iptables and
iproute2, is=20
iproute used to replace iptables?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Thanks,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial
size=3D2>James</FONT></DIV></BODY></HTML>
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Message: 2
From: Thilo Schulz <arny@ats.s.bawue.de>
To: lartc@mailman.ds9a.nl
Subject: Re: [LARTC] iproute and iptables
Date: Wed, 21 Aug 2002 00:26:43 +0200
Am Mittwoch, 21. August 2002 00:21 schrieb James Ma:> Dear all,
>
> I am newbie. However, I tried iptables recently and succeeded. I
don''t
> understand the relationship between iptables and iproute2, is iproute used
> to replace iptables?
No. The iproute2 utilities allow to set various things, such as ip addresses,=20
routing entries or the traffic shaper.
The iptables tool is responsible for the firewall and the rules in there - as=20
well as some packet mangling and network address translation. You can combine=20
both tools with the -j MARK directive .. rtfm ;-)
- Thilo Schulz
--__--__--
Message: 3
Date: Tue, 20 Aug 2002 22:32:13 -0500 (CDT)
From: Amit Kucheria <amitk@ittc.ku.edu>
To: lartc@mailman.ds9a.nl
Cc: stef.coene@docum.org
Subject: Re: [LARTC] HTB equivalent for ''bounded'' and
''isolated'' in CBQ
On Fri, 16 Aug 2002, Stef Coene wrote:
>> The ''ceil'' parameter allows us to implement a part of
the ''isolated''
>> definition above. By setting it equal to ''rate'', the
class does not
>> borrow bandwidth, but what will stop other classes from borrowing its
>> unused bandwidth?
>
> Providing no ceil parameter means rate = ceil. But this can not be
> used to implement isolated like in cbq. Rate = ceil means the class
> can not use more bandwidth then it''s rate. Isolated in cbq means
other
> classes can not borrow bandwidth from the class and that''s not the
> same. There is no way you can implement isolated with htb.
>
> But with htb you can do something like this :
>
> Total : 100
> class1 rate 20 ceil 20
> class2 rate 40 ceil 80
> class3 rate 40 ceil 80
>
> class 1 is isolated like in cbq. It can not use more then it''s
> rate/ceil and class2 and class3 will never use bandwidth from class1,
> only from each other. Just like the definition of isolated :)
What happens when there is no traffic in class 1? Will class 2 and 3
share class 1''s bandwidth then?
The reason I am asking these questions is because I am trying to see if
HTB can be used in place of CBQ in Diffserv. Has anybody tried something
like this?
Regards,
Amit
--
I''m an angel!!! Honest!
The horns are just there to hold the halo up straight.
^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^
Amit Kucheria
EECS Grad. Research Assistant
University of Kansas @ Lawrence
(R): +1-785-830-8521 ||| (C): +1-785-760-2871
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