Cisco Systems UCSCPCIEBTG, 57712 manual TCP Offload Settings Name Description

Managing Network Adapters

VM FEX Settings

TCP Offload Settings
Name	Description
Enable TCP Segmentation	If enabled, the CPU sends large TCP packets to the hardware to be
Offload field	segmented. If disabled, the CPU segments large packets.
	Note	This option is also known as Large Send Offload
		(LSO).
Enable TCP Rx Offload	If enabled, the CPU sends all packet checksums to the hardware for
Checksum Validation field	validation. If disabled, the CPU validates all packet checksums.
Enable TCP Tx Offload	If enabled, the CPU sends all packets to the hardware so that the
Checksum Generation field	checksum can be calculated. If disabled, the CPU calculates all packet
	checksums.
Enable Large Receive field	If enabled, the hardware reassembles all segmented packets before
	sending them to the CPU. If disabled, the CPU processes all large
	packets.

Receive Side Scaling Settings
Name	Description

Enable TCP Receive Side Scaling field

Enable IPv4 RSS field

Enable TCP-IPv4 RSS field

Enable IPv6 RSS field

Enable TCP-IPv6 RSS field

Enable IPv6 Extension RSS field

Enable TCP-IPv6 Extension RSS

field

Receive Side Scaling (RSS) distributes network receive processing across multiple CPUs in multiprocessor systems.

If enabled, network receive processing is shared across processors whenever possible. If disabled, network receive processing is always handled by a single processor even if additional processors are available.

If enabled, RSS is enabled on IPv4 networks.

If enabled, RSS is enabled for TCP transmissions across IPv4 networks.

If enabled, RSS is enabled on IPv6 networks.

If enabled, RSS is enabled for TCP transmissions across IPv6 networks.

If enabled, RSS is enabled for IPv6 extensions.

If enabled, RSS is enabled for TCP transmissions across IPv6 networks.

	Cisco UCS C-Series Servers Integrated Management Controller CLI Configuration Guide, Release 1.5
114	OL-28893-01