Lenovo ThinkServer RD540 - Manual (Page 40)

8200 Series Converged Network Adapter and 3200 Series Intelligent Ethernet Adapter Page 22
IPv4 Checksum Offload Enables and disables IPv4 checksum offload.
Registry Key: *IPChecksumOffloadIPv4
Default: Rx and Tx Enabled.
Values: Disabled, Rx and Tx Enabled, Rx Enabled, Tx Enabled
Large Receive Offload Enables and disables TCP large receive offload. Enables collapsing of multiple
MTU size TCP packets into bigger segments before handing these over to the
host.
Registry Key: LRO
Default: Enabled
Values: Enabled, Disabled
Large Send Offload V1 IP4 Enables and disables TCP large send offload. Allows host TCP stack to give big-
ger than maximum segment size (MSS) packets to the driver, and then with the
help of hardware, splits the larger segments into MTU size packets before sending
them on the wire.
Registry Key: *LsoV1IPv4
Default: Enabled.
Values: Enabled, Disabled
Size of LSO v1: 64K
Large Send Offload V2 IP4 Enables and disables TCP large send offload. Allows the host TCP stack to give
bigger than MSS packets to the driver, and then with the help of hardware, splits
the larger segments into MTU size packets before sending them on the wire.
Registry Key: *LsoV2IPv4
Default: Enabled
Values: Enabled, Disabled
Size of LSO v2: 128K
Large Send Offload V2 IP6 Enables and disables TCP large send offload. Allows host TCP stack to give big-
ger than MSS packets to the driver, and then with the help of hardware, splits the
larger segments into MTU size packets before sending them on the wire.
Registry Key: *LsoV2IPv6
Default: Enabled
Values: Enabled, Disabled
Size of LSO v2: 128K
Locally Administered Address Defines the locally administered address (LAA) that users and administrators can
set on this interface. This address overrides the permanent address of the QLogic
adapter (that may have been Flashed into the hardware).
Registry Key: NetworkAddress
Format: Hexadecimal
Options: Value (a value is required, enter the 12 hex bytes of the MAC address to
be used), or not present.
Table 2. Windows Driver Configurable Parameters (Continued)
Property Description