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Back to Table of Contents

Back to Installing SBC SWe on Virtual Platforms

Back to Hardware and Software Requirements

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In this section:

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This section describes 

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 hardware and software requirements and recommendations.

To install and configure 

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, make sure the Virtual Machine (VM) host meets the following recommended hardware, server platform and software requirements

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.

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The recommended hardware and software settings are intended to ensure optimum 

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stability and performance. If the recommended settings are not used, 
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system may not behave as expected.

SBC SWe for KVM Hypervisor – Server Hardware Requirements

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The following table lists the server hardware requirements

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Table
1KVM Hypervisor Server Hardware Requirements

 

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Configuration Requirement
Processor

Intel Xeon processors (Nehalem micro-architecture or above) with 6 cores and above (processors should support hyper threading).

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Note

Ribbon recommends using Westmere (or newer) processors for better SRTP performance. These processors have the AES-NI instruction set for performing cryptographic operations in hardware.

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The supported CPU Family Number is 6 and CPU Model Number must be newer than 26. Refer to Intel Architecture and Processor Identification document for more information.


 RAMMinimum 24 GB
Hard DiskMinimum 500 GB
Network Interface Cards (NICs)
Minimum 4 NICs.
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titleNote

Make sure NIC has multi-queue support which enhances network performance by allowing RX and TX queues to scale with the number of CPUs on multi-processor systems.

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The Intel I350, x540, and 82599 Ethernet adapters are supported for configuring as SR-IOV and DirectPath I/O pass-through devices.


Ports

Number of ports allowed:

  • 1 Management port
  • 1 HA port
  • 2 Media ports

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Warning

The 

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software runs only

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on platforms using Intel processors. Platforms using AMD processors are not supported.

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BIOS Setting Recommendations

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Ribbon recommends the following BIOS settings for optimum performance:

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1Recommended BIOS Settings for Optimum Performance
BIOS ParameterRecommended
Setting		Details
Intel VT-x (Virtualization Technology)EnabledFor hardware virtualization
Intel Hyper-ThreadingEnabled 
Intel Turbo BoostEnabled 
CPU power managementMaximum Performance 

For example, the BIOS settings are shown below for HP DL 380p Gen8 servers. For BIOS settings of other servers, refer to the respective vendor's website.

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1BIOS Setting Recommendations for HP DL380p Gen8 Server
BIOS ParameterRecommended
Setting		Default Value
HP Power ProfileMaximum PerformanceBalanced Power and Performance
Thermal ConfigurationMaximum CoolingOptimal Cooling
HW PrefetchersDisabledEnabled
Adjacent Sector PrefetcherDisabledEnabled
Processor Power and Utilization MonitoringDisabledEnabled
Memory Pre-Failure NotificationDisabledEnabled
Memory Refresh Rate1x Refresh2x Refresh
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SBC SWe for KVM Hypervisor – Software Requirements

Following are KVM hypervisor and SBC SWe software requirements:

KVM Requirements

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1KVM Requirements
SoftwareVersionTested or Qualified Version

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KVM Module 3.10.0 or above3.10.0
QEMU Emulator  1.5.31.5.3
libvirtd (libvirt)1.1.11.1.1
virt-manager0.10.00.10.0

Downloading the SBC SWe

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Software Package

For more information, see Downloading the SBC SWe

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Software Package.

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Processors and VM configuration (CPUs, RAMs, Virtual Hard Disk, NICs, and bridge Settings)

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must be identical for SBC SWe HA pair

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.

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BIOS settings and recommendations must not be changed once it is applied on the server.

KVM Configuration Recommendations 

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1KVM Configuration Recommendations


 vCPU

Minimum 4 vCPUs required. Any number of vCPUs may be configured depending upon the call capacity requirements, but the number should be even (4, 6, 8, etc.) to avoid impacting performance.  

 vRAM

Reserve the memory based on call capacity and configuration requirements. Refer to benchmarking data for supported call capacities with different configuration limits.

Virtual Hard Disk 

Set Hard Disk (virtual) size as 100 GB or more (based on requirements of retaining CDRs, logs, etc. for number of days).

 

Note: Hard disk size cannot be changed after the SBC SWe software is installed.

vNICs

Set number of virtual NICs as 4 (1-MGMT, 1-HA, 1-PKT0 and 1-PKT1).

  • Use only Virt-IO driver.
  • Associate each vNIC to separate bridges.



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  • Processors, KVM hypervisor version and VM configuration (vCPUs, vRAMs, Virtual Hard Disk, vNICs, and vSwitch Settings) must be identical for an SBC SWe HA pair.
  • BIOS and KVM hypervisor settings and recommendations must not be changed once it is applied on the server.

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