10GigEthr-02 (iexgbe) B.11.31.1403.01 Ethernet Driver Release Notes HP-UX 11i v3, ed. 6

3 Problems fixed in this release
The following defects were fixed in this release:
Table 3 HP-UX 11i v3 March 2014 fixes — 10GigEthr-02 B.11.31.1403.01
DescriptionSR number
LRO may truncate/enlarge TCP frames causing TCP performance degradation. The software
LRO algorithm may try to coalesce an additional packet which does not belong to the same
QXCR1001328356
TCP segment. This can causes packet discards. This is a rare scenario involving a specific
traffic pattern having TCP timestamps and sacks options.
To enable/disable software LRO use, enter: lanadmin –X drv_pr_on/drv_pr_off
<ppa>
3 Problems fixed in this release 9