Cisco Systems UCSCPCIECSC02 manual Interrupt Count field, Coalescing Time field

Managing Network Adapters

Viewing vNIC Properties

Name	Description
Interrupt Count field	The number of interrupt resources to allocate. In general, this value
	should be equal to the number of completion queue resources.

Enter an integer between 1 and 514.

Coalescing Time field	The time to wait between interrupts or the idle period that must be
	encountered before an interrupt is sent.
	Enter an integer between 1 and 65535. To turn off interrupt coalescing,
	enter 0 (zero) in this field.
Coalescing Type drop-down list	This can be one of the following:
	• MIN—The system waits for the time specified in the Coalescing
	Time field before sending another interrupt event.
	• IDLE—The system does not send an interrupt until there is a
	period of no activity lasting as least as long as the time specified
	in the Coalescing Time field.

Interrupt Mode drop-down list The preferred driver interrupt mode. This can be one of the following:

•MSI-X—Message Signaled Interrupts (MSI) with the optional extension. This is the recommended option.

•MSI—MSI only.

•INTx—PCI INTx interrupts.

Step 10 In the Ethernet Receive Queue area, review the information in the following fields:

Name	Description
Receive Queue Count field	The number of receive queue resources to allocate.

Enter an integer between 1 and 256.

Receive Queue Ring Size field	The number of descriptors in each receive queue.
	Enter an integer between 64 and 4096.

Step 11 In the Ethernet Transmit Queue area, review the information in the following fields:

Name	Description
Transmit Queue Count field	The number of transmit queue resources to allocate.

Enter an integer between 1 and 256.

Cisco UCS C-Series Servers Integrated Management Controller GUI Configuration Guide, Release 1.4

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