There's also a known bug in XCP 1.6, where the API QoS settings don't actually 
get passed down to Xen. The master branch patch is here: 
https://github.com/xen-org/xen-api/commit/4fb4b96b10c2d40cd5e166845659f27882c6dae5

John

From: xen-api-boun...@lists.xen.org [mailto:xen-api-boun...@lists.xen.org] On 
Behalf Of George Shuklin
Sent: 14 January 2013 13:33
To: xen-api@lists.xen.org
Subject: Re: [Xen-API] qos_algorithm_type=ratelimit

14.01.2013 03:55, Matthew Spah пишет:
Hey everyone,

I'm currently testing and documenting the qos parameters for VIF interfaces. 
I've set up two VMs with VIF interfaces attached to an internal network. I've 
set the following qos parameters on each VIF interface.

xe vif-param-set uuid=<VIF UUID> qos_algorithm_type=ratelimit
xe vif-param-set uuid=<VIF UUID> qos_algorithm_params:kbps=100

iperf is showing me bandwidth rates between the two VMS that aren't limited to 
100 kbps. Am I missing something?

kbps is not kbps, but a KiloBYTESperSecond. Really strange, but it is. kbps=12 
will make it 100kpbs.
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