Oracle Audio Technologies Sun Oracle SunDual 10GbE XFP User Manual

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Chapter 5

Configuring the nxge Device Driver Parameters


d. The following example shows ports on two different cards being set. Only

one node needs to be specified.

3. Save the nxge.conf file.

Tuning for Maximum Performance on a
Solaris Platform

Tuning for maximum performance in a Solaris platform depends on whether you
are using an UltraSPARC CPU based platform or an AMD CPU based platform.

▼ To Improve Performance on an UltraSPARC

CPU Based Sun Platform

1. Improve performance by adding the following /etc/system


Increasing the MSI improves the Rx performance. The default value for MSI is 2,
but changing it to 4 improves performance (8 can be used for UltraSparc-T1 based

2. Reboot the system:

name = "pciex108e,abcd" parent = "/pci@780/pci@0/pci@8/" unit-address = "0"

class-opt-ipv4-tcp = 0x100;

name = "pciex108e,abcd" parent = "/pci@7c0/pci@0/pci@9/" unit-address = "0"

class-opt-ipv4-tcp = 0x40;

# set ddi_msix_alloc_limit=4

# reboot -r