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Date:      Wed, 24 Oct 2001 10:14:18 +0200
From:      "Patrick O'Reilly" <patrick@mip.co.za>
To:        "Bezerker" <bezerker@bezerker.org>
Cc:        <questions@FreeBSD.ORG>
Subject:   RE: Lil help with dummynet please?
Message-ID:  <NDBBIMKICMDGDMNOOCAIGEAHDMAA.patrick@mip.co.za>
In-Reply-To: <00ab01c15c5f$c8994160$0101a8c0@bezerker>

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Bez,

I'm not sure if you are getting the syntax right in your firewall scripts,
but the samples in your emails are certainly not right.

Below you mention a rule like this:
ipfw pipe 1 ip from any to 192.168.1.5

ipfw will see this as a pipe config rule, NOT a normal ipfw rule, because it
begins with "ipfw pipe".

Try the following:

ipfw pipe 1 config 3KByte/s
ipfw add 1 pipe 1 ip from any to 192.168.1.5

PS: I'm assuming you are running NAT?  Make sure the rule sending packets to
the pipe is after NAT has done its trick, or else you are not going to get a
match on that private address!  So perhaps you should rather do something
like this:

ipfw pipe 1 config 3KByte/s
ipfw add 1 divert ip from any to any via tun0
ipfw add 2 pipe 1 ip from any to 192.168.1.5

Patrick.


> -----Original Message-----
> From: owner-freebsd-questions@FreeBSD.ORG
> [mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of Bezerker
> Sent: 24 October 2001 09:45
> To: Patrick O'Reilly
> Cc: questions@FreeBSD.ORG
> Subject: Re: Lil help with dummynet please?
>
>
> it listed fine,
> i even tried another rule of ipfw pipe 1 ip from any to
> 192.168.1.5 to limit
> ANY traffic going there to 3kbyte/S
>
> No go.
> I essentially, have my modem on tun0 (ppp ) .. and want to limit
> any traffic
> coming in via the modem going to my pop's machine, to 3kbyte a sec...
> unfortunately, that seems more complicated than i expected :P
>
> ----- Original Message -----
> From: "Patrick O'Reilly" <patrick@mip.co.za>
> To: "Bezerker" <bezerker@bezerker.org>; <questions@FreeBSD.ORG>
> Sent: Wednesday, October 24, 2001 3:41 AM
> Subject: RE: Lil help with dummynet please?
>
>
> > >
> > > Im trying to setup bandwith limiting so my fathers machine dont
> > > soak all the
> > > bandwith on my itty 56k.
> > >
> > > so.. i do the dummynet stuff and do this
> > > ipfw add 1 ip from any to 192.168.1.5 via tun0
> > > ipfw pipe 1 config bw 3Kbytes/s
> > > All looks well
> >
> > No, not so well.
> >
> > Your pipe config looks fine:
> > > ipfw pipe 1 config bw 3Kbytes/s
> >
> > But, to use the pipe, your ipfw rule should be:
> > > ipfw add 1 pipe 1 ip from any to 192.168.1.5 via tun0
> >
> > In fact, the rule as you gave it above has invalid syntax as
> far as I can
> > tell, so it might not be active at all.  Check with "ipfw list".
> >
> > Regards,
> > Patrick.
> >
> >
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-questions" in the body of the message
> >
>
>
> To Unsubscribe: send mail to majordomo@FreeBSD.org
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>


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