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DescriptionName
The number of descriptors in each completion queue.Completion Queue Ring Size
field
Step 14
In the TCP Offload area, review the information in the following fields:
DescriptionName
If enabled, the CPU sends large TCP packets to the hardware to be
segmented. If disabled, the CPU segments large packets.
This option is also known as Large Send Offload
(LSO).
Note
Enable TCP Segmentation
Offload field
If enabled, the CPU sends all packet checksums to the hardware for
validation. If disabled, the CPU validates all packet checksums.
Enable TCP Rx Offload
Checksum Validation field
If enabled, the CPU sends all packets to the hardware so that the
checksum can be calculated. If disabled, the CPU calculates all packet
checksums.
Enable TCP Tx Offload
Checksum Generation field
If enabled, the hardware reassembles all segmented packets before
sending them to the CPU. If disabled, the CPU processes all large
packets.
Enable Large Receive field
Step 15
In the Receive Side Scaling area, review the information in the following fields:
DescriptionName
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.
Enable TCP Receive Side Scaling
field
If enabled, RSS is enabled on IPv4 networks.Enable IPv4 RSS field
If enabled, RSS is enabled for TCP transmissions across IPv4 networks.Enable TCP-IPv4 RSS field
If enabled, RSS is enabled on IPv6 networks.Enable IPv6 RSS field
If enabled, RSS is enabled for TCP transmissions across IPv6 networks.Enable TCP-IPv6 RSS field
If enabled, RSS is enabled for IPv6 extensions.Enable IPv6 Extension RSS field
If enabled, RSS is enabled for TCP transmissions across IPv6 networks.Enable TCP-IPv6 Extension RSS
field
Cisco UCS C-Series Servers Integrated Management Controller GUI Configuration Guide, Release 1.4
34 OL-23489-08
Managing Network Adapters
Viewing Virtual FEX Properties