Brocade Adapters Troubleshooting Guide
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Tuning network drivers (CNAs only)
4
Linux tuning
All Linux tunable parameters for the network driver are optimized for best performance using
default values. For details on configuring the parameters in the following table, refer to the
“Adapter Configuration” chapter in the
Brocade Adapters Installation and Reference Manual
.
provides default values for all Linux tunable parameters.
VMware tuning
All VMware tunable parameters for the network driver are optimized for best performance using
default values. For details on configuring the parameters in the following table, refer to the
“Adapter Configuration” chapter in the
Brocade Adapters Installation and Reference Manual
.
provides default values for VMware tunable parameters.
TABLE 10
Default values for Linux tunable parameters
Parameter
Default
Interrupt moderation
Enabled
Log Level
3
Jumbo packet size
1,500 bytes
TCP=UDP checksum
offload
Enabled
TCP Segmentation
Offload (TSO)
Enabled
MSI-X (Message Signaled
Interrupts Extended
Enabled
TABLE 11
Default values for VMware tunable parameters
Parameter
Default
Jumbo Packet Size
1500
VLAN ID
Disabled
MSI-X
(Message Signaled
Interrupts Extended)
Enable
Interrupt Moderation
(Set for receive
interrupts)
On
NetQueue
Disabled