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Re: unexpected behavoir





On Thu, 31 Aug 2000 olshef@us.ibm.com wrote:

> 
> 
> I'm seeing strange behavoir in cbq.  When I run traffic generators for two
> classes, my bandwidth thruput is 10Mbit, and each class gets about half the
> total
> bandwidth.  But, when I run only one of the generators, generating traffic
> for only one class at twice the previous rate, the thruput drops to 1Mbit.
> Both classes
> of traffic are the same, in terms of the amount of bits they generate.
> 
> The config is simply:
> 
> tc qdisc add dev eth0 root handle 1: cbq bandwidth 10Mbit avpkt 1000 mpu 64
> tc class add dev eth0 parent 1:0 classid :1 est 1sec 8sec cbq bandwidth 10Mbit rate 5Mbit weight 5Mbit bounded isolated allot 1514 prio 1 maxburst 50
> avpkt 1000 split 1:0
> tc class add dev eth0 parent 1:0 classid :2 est 1sec 8sec cbq bandwidth 10Mbit rate 5Mbit weight 5Mbit bounded isolated allot 1514 prio 2 maxburst 50
> avpkt 1000 split 1:0
> 

Your config looks shady. In particular such a huge weight ...
look at examples/diffserv directory for sample configs.

cheers,
jamal