Date: Wed, 29 Jan 2003 12:50:24 -0800 From: Luigi Rizzo <rizzo@icir.org> To: Markus Weissmann <markus-weissmann@gmx.de> Cc: freebsd-ipfw@FreeBSD.ORG Subject: Re: traffic shaping with ipfw? Message-ID: <20030129125024.A62382@xorpc.icir.org> In-Reply-To: <1C6134BC-33C3-11D7-9067-000393B7748C@gmx.de>; from markus-weissmann@gmx.de on Wed, Jan 29, 2003 at 08:51:51PM %2B0100 References: <1C6134BC-33C3-11D7-9067-000393B7748C@gmx.de>
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one option would be to extend the "iplen" syntax to accommodate ranges.
This should be trivial to implement.
cheers
luigi
On Wed, Jan 29, 2003 at 08:51:51PM +0100, Markus Weissmann wrote:
> Hi Folks!
>
> We've got a dsl-connection here with 768/128 KBit up/down.
> The Probem is, when for example uploading lots of stuff, the
> download goes down badly...
> and more problematic: The responsiveness of ssh-connections
> or the like go down to point of unuseability.
>
> Solution as far:
> create dummy_net pipe with 90% of the upload bandwith and
> stuff all traffic going out there; but before, take out
> out the packets with small size (those are most propably the
> syn/ack and ssh packets?) and let them pass.
>
> tun0 is the external device
> ---
> allow udp from any to any out xmit tun0
> allow icmp from any to any out xmit tun0
> allow tcp from any to any { iplen 32 or iplen 33 or iplen 34 or iplen
> 35 or iplen 36 or iplen 37 or iplen 38 or iplen 39 or ... iplen 62 or
> iplen 63 or iplen 64 } out xmit tun0
> queue 1 ip from any to any out xmit tun0
> ---
>
> any suggestions on this? (the 3rd line doesnt pleasure me too much...)
> the responsiveness of ssh-sessions is only slightly improved
> (hehe, a "allow tcp from any to any 22 out xmit tun0" wont do the
> trick, cause
> if someone does a 'scp' I'm doomed)
>
>
> thanx in advance,
>
> Markus
>
>
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