Re: Using Token Bucket Filter to simulate a low bandwidth radio link

Linux Advanced Routing and Traffic Control

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I seem to remember a kernel module for slowing down a link for testing? Can't remember the details, but I saw it in my 2.6 kernel somewhere. Perhaps check the docs on that.

Yes, it's Stephen's sch_delay. Both 2.4 and 2.6 versions available. Just run the 2.4.26 or 2.6.7 and last version of iproute2. Then: tc qdisc add dev eth0 root delay limit 100000 latency 3000ms

For my own custom apps I simulated a satellite link simply by writing a small proxy program for my particular protocol (in perl and again in VB). It queued packets and released them after a set time period at a set rate. If you are only testing a simple app then this is another way to go

Ed W
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--- Catalin(ux aka Dino) BOIE catab at deuroconsult.ro http://kernel.umbrella.ro/ _______________________________________________ LARTC mailing list / LARTC@xxxxxxxxxxxxxxx http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/

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