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In this section:

Table of Contents
maxLevel4

 

This section describes 

Spacevars
0product2
 hardware and software requirements and recommendations.

To install and configure 

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

 

Warning

The recommended hardware and software settings are intended to ensure optimum 

Spacevars
0product2
stability and performance. If the recommended settings are not used, 
Spacevars
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system may not behave as expected.

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MultiExcerptNameSBC SWe for KVM Hypervisor – Server Hardware Requirements

SBC SWe for KVM Hypervisor – Server Hardware Requirements

The following table lists the server hardware requirements.

Caption
0Table
1KVM Hypervisor Server Hardware Requirements
Configuration Requirement
Processor

Intel Xeon processors (Nehalem micro-architecture or above)

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

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

Note: 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.

Ports

Number of ports allowed:

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

Warning

The 

Spacevars
0product2
software runs only on platforms using Intel processors. Platforms using AMD processors are not supported.

 

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BIOS Setting Recommendations

Sonus recommends the following BIOS settings for optimum performance:

Caption
0Table
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.

Caption
0Table
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


 

Multiexcerpt
MultiExcerptNameSBC SWe for KVM Hypervisor – Software Requirements

SBC SWe for KVM Hypervisor – Software Requirements

Following are KVM hypervisor and SBC SWe software requirements:

Caption
0Table
1KVM Requirements
SoftwareVersionTested or Qualified Version
Red Hat Enterprise Linux 7.0 or above7.0
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 Software Package

For more information, see Downloading SBC SWe Installation Files from Salesforce Portal.

Note

Processors and VM configuration (CPUs, RAMs, Virtual Hard Disk, NICs, and bridge Settings) must be identical for SBC SWe HA pair.

Note

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

 

KVM Configuration Recommendations 

 

Caption
0Table
1KVM Configuration Recommendations


 vCPU

Minimum 4 vCPUs required. But in case where there are only four physical cores available, you must configure the VM with only 3 vCPUs. Any number of vCPUs may be configured depending upon the call capacity requirements. 

KVM Direct-IO mode is only supported for PKT ports for vCPUs >=4.

 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.
 

 

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

 

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