Brocade Adapters Installation and Reference Manual 219
53-1002144-01
Network driver parameters
A
VMware
Table 39 describes the instance-specific network configuration parameters available for VMware
hosts. You can list all module parameters that you can configure for the network driver using the
following command.
vmkload_mod -s bna
TABLE 39 Network driver configuration parameters
Function Default Value Possible Values Method to Configure Notes
Jumbo Packet Size 1500 1500-9000 esxcfg-vswitch
command
• Sets MTU size.
• Size must not be
greater than size set on
FCoE switch.
• You must enable the
MTU size for each
vswitch or VMkernal
interface.
VLAN ID Disabled = 0 Can enable VLAN
IDs with values
from 0-4094
esxcfg-vswitch
command
Assign a VLAN ID to a port
group on a specific vswitch
MSI-X
(Message Signaled
Interrupts Extended)
Enable (0) Disable (1)
Enable (0)
cfg module
parameter
(bnad_msix_disable)
• Advanced user
configuration
• This parameter is used
to disable (MSI-X).
• The parameter is
enabled by default in
the network driver.
However, the
NetQueue feature of
VMware must be
enabled in the VMware
system to enable MSI-X
in the system.
• Driver will attempt to
enable, but use INTx in
case MSI-X is not
supported or
NetQueue is not
enabled.
Interrupt Moderation
(Set for receive
interrupts)
On On
Off
ethtool -C command Reduces context switching
and CPU utilization. When
enabled, the hardware will
not generate an interrupt
immediately after it receives
a packet, but waits for more
packets or a time-out to
expire
NetQueue Enabled Enable
Disable
VM Client interface Enables NetQueue for
improving receive-side
networking performance on
servers with multiple CPUs.
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