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Introduction

TBD

How to configure network throttling in CloudStack

Network throttling rate parameter can be configured in:

 

  • Service offering.
  • Network offering.
  • Global Config (network.throttling.rate, vm.network.throttling.rate)

0 means unlimited.

If the value is set to NULL in service/network offerings, it means that we should take the rate from the Global Configuration (network.throttling.rate - used by network offering, vm.network.throttling.rate - used by service offering)

How network throttling applies to different types of CloudStack VMs (and their default/optional networks)

  • UserVm must have 1 Default network and 0-n additional networks (optional). For the default network we take network throttling rate from the corresponding Service Offering, for all additional networks - from the corresponding Network Offerings.
  • For the VR Guest and Public networks we take network throttling from the corresponding Guest Virtual networkOffering.
  • For Storage/Control/Management networks used by SSVM/CPVM/VR and Public network used by SSVM/CPVM, we take the throttling rate from the corresponding System Network Offerings.

 

 

Default throttling values:

  • For default Public/Storage/Control/Management network offerings throttling rate is set to 0 (Unlimited).
  • For default Guest network offerings throttling rate is set to NULL (and in this case it will be defaulted to Global config value)
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