
80 Brocade Adapters Troubleshooting Guide
53-1001253-01
Tuning network drivers
4
Linux tuning
All Linux tunable parameters for the network driver are optimized for best performance using
default values. For details on configuring these parameters, refer to the “Adapter Configuration”
chapter in the Brocade Adapters Installation and Reference Manual.
Parameters are listed in the following table.
TCP-UDP Checksum
Offload
Enabled
Network Address N/A
Receive Buffers 32
Transmit Buffers 16
Priority and VLAN Disable
Receive Side Scaling
(RSS)
Enabled
Header Data Split (HDS) Enabled
Large Segmentation
Offload V1 IPv4 (LSOv1)
Enabled
Large Segmentation
Offload V2 IPv4 (LSOv2)
Enabled
Large Segmentation
Offload V2 IPv6 (LSOv2)
Enabled
FlowControl, Transmit
(Tx) and Receive (Rx)
Enabled
Interrupt Moderation Enabled
VLAN ID Disabled
Priority and VLAN
Support
Enabled
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
Parameter Default
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