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Date:      Thu, 15 May 2003 09:18:44 -0700 (PDT)
From:      "Jason Kocol" <>
To:        <>
Subject:   ipfw + dummynet: bandwidth limiting not working
Message-ID:  <>

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I am running FreeBSD 4.8 STABLE and am trying to use dummynet with ipfw to
limit bandwidth on my DSL connection.  I have added the rules for dummynet
to my existing firewall rules in rc.firewall (which are pretty open as you
can see) in the last two lines below:

ipfw -f flush
ipfw add divert natd all from any to any via vx0
ipfw add pass all from any to any
ipfw pipe 1 config bw 128K
ipfw add pipe 1 tcp from x.x.x.x to any

(x.x.x.x being my public IP address, and vx0 in line 2 being the interface
for this address)

By those last two lines I would expect the outbound/inbound traffic to be
limited to 128Kbps, yet I am still able to transfer data at my normal
broadband speeds (1.5Mb/768Kb).

Anyone have any idea why this is not working the way I'd expect it to?


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