On Fri, 7 Dec 2001, Amit Kucheria wrote:
Hi all,
I am currently trying to test the schedulers available in Linux - CBQ,
FIFO, PRIO, SFQ and WRR.
My setup is simple -
10Mbit 10Mbit
Source --------- Router --------- Sink
eth0 eth1
- I need to simulate the 'router-sink' link at a T1 link. obviously the
best way to do this is to but a TBF on eth1.
But i want to test various kinds of queueing disciplines with this rate
limited traffic. This wont be allowed by TBF which cant take classes.
So would the following work ?
1Mbit
TBF qdisc 2:0 +--------+ ******* My various classes FIFO, CBQ
CBQ class 1:1 +----------+ +--------+ CBQ class 1:2
+-------------------------+ CBQ qdisc 1:0
Now TBF rate limits to 1Mbit and then a filter filters the packet to "my
various classes which could be multiple CBQ, prio classes or simple fifo.
- I am generating average traffic of 1Mbps at the source
- I need a rate-limiting architecture which will allow be to test various
schedulers as well as impose a strict limit on the outgoing link.
Regards,
Amit
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Amit Kucheria
EECS Grad. Research Assistant
University of Kansas @ Lawrence
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