From: Tony Paterra (apaterra@gmail.com)
Date: Tue Jul 11 2006 - 16:24:45 ART
All,
I was reading the QoS section of the DocCD (yup, my life is that much
fun) and I came across an interesting section regarding CQ. Basically
it discussed normalizing queue sizes so that CQ services traffic the
way you intend it (i.e. if you want to have 1/10 of a Ethernet
interface for a particular type of traffic you may have to reserve a
value different than 1Mb based on real-world packet sizes).
It also talked about finishing off servicing the traffic in a queue
and having queue-space left over. Apparently after 12.1 this deficit
value is remembered for then next round through the queues. Does it
account for both positive and negative deficits (i.e. if the last
packet out of a queue was larger or smaller than the reservation
limit)?
Bottom line question: Should I worry about normalizing my bandwidth
reservations in the lab if I need to use CQ?
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fqos_c/fqcprt2/qcfconmg.htm
-- Tony Paterra apaterra@gmail.com
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