Cisco Cisco UCS C22 M3 Rack Server Weißbuch
© 2014 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
Page 11 of 14
CPU Governor
The OS
CPU governor was configured for “performance.” In the file/etc/sysconfig/cpuspeed, the “GOVERNOR”
variable was set to “performance.”
GOVERNOR=performance
Other
The test nodes were also configured to operate in runlevel 3 to avoid unnecessary background processes.
In the file /etc/inittab, the following line replaced the OS default:
id:3:initdefault
SELinux was disabled.
In the file/etc/selinux/config, the following line replaced the OS default:
SELINUX=disabled
Networking Settings
Adapter Configuration
The following vNIC adapter configuration was used:
MTU 9000
Number of VFs instances = 16
Interrupt coalescing timer = 0
The vNIC is directly configured from the onboard Cisco Integrated Management Controller (IMC).
Network Switch Configuration
The Cisco Nexus 3548 was configured with the following settings:
Flow control: On
No Drop mode: Enabled
Pause: Enabled
Network MTU: 9216
WARP mode: Enabled
To enable flow control on the Nexus 3548:
configure terminal
interface ethernet 1/1-48
flowcontrol receive on
flowcontrol send on
exit