From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Furniss Date: Fri, 07 Apr 2006 22:03:30 +0000 Subject: Re: [LARTC] leaky bucket on bursty multicast Message-Id: <4436E1B2.8050907@dsl.pipex.com> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lartc@vger.kernel.org Oivind wrote: > On 3/1/06, Andy Furniss wrote: > >>Oivind wrote: >> >>>Hi all, >>>I have an average 2mbit multicast stream that once in a while bursts >>>high (up to 20mbit/s) in short periods (about 200ms). Could anyone >>>please help me with directions using tc for configuing leaky bucket >>>shaping to this stream? I have a 5mbit/s ceiling. >>> >>>My system is running gentoo linux 2.6.14, and I have compiled in all >>>QoS modules. >> >>I suppose it depends what you want to do with the burst ie. propogate it >>,smooth it without loss or drop packets to maintain a rate. > > > I would like to smooth the bursts out at the ceiling bandwidth without > any packet drops (unless an unacceptable lengthy burst of course). Sorry for not replying earlier, I lost this one. What you want should be OK with htb/tbf/hfsc ratelimiting at 5meg - just choose a leaf queue/buffer length that can absorb the burst. Andy. _______________________________________________ LARTC mailing list LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/cgi-bin/mailman/listinfo/lartc