This document provides information about the March 2011 release of the 10GigEthr-03 bundle
for HP-UX 11i v3.
1 10GigEthr-03 overview
The 10GigEthr-03 bundle contains the iocxgbe driver, which supports the Ethernet component
of the HP NC551m Dual Port FlexFabric 10GbE Network Adapter.
2 New and changed features in this release
2.1 New features
There are no new features included in 10GigEthr-03 at the time of this publication.
2.2 Changed features
There are no changed features included in 10GigEthr-03 at the time of this publication.
3 Problems fixed in this version
There are no defects or fixes included in 10GigEthr-03 at the time of this publication.
4 Known problems and limitations
The following problems are known to exist in version B.11.31.1103:
•
Problems occur when using SNAP (Sub-Network Access Protocol) encapsulation with VLANs.
Severity: Medium
SNAP encapsulation enables protocols such as TCP/IP to use an IEEE802.3 SNAP header.
This protocol works correctly for non-VLAN devices. For VLAN devices, when a minimum size
SNAP packet is received and the VLAN tag is removed, the device incorrectly flags the packet
as undersized and discards it.
Workaround: None. This problem might be corrected in a future release of the 10GigEthr-03
bundle.
•
Data transfer is slow under certain circumstances when TSO is enabled.
Severity: Medium
Enabling TSO might result in very slow data transfer external to the blade environment. This
problem only occurs on data transfers with TSO enabled, and if the data transfer is from this
device in a blade to a device in a system external to the blade enclosure.
For this reason, TSO is disabled by default (vmtu set to zero). You can enable TSO to take
advantage of the performance benefits that it provides for data transfer within the blade
environment. To enable TSO, set the vmtu to 32160 using LANADMIN or NWMGR.
Workaround: None. This problem will be corrected in a future release of the 10GigEthr-03
bundle.
•
Device configuration might be incorrect.
Severity: Medium
If an NC551m is configured with a Virtual Connect-capable FCoE interconnect module and
the FCoE functions are not defined in the system profile, they are configured as six Ethernet
devices and two FC devices. These should all be configured as Ethernet functions, resulting
in a total of eight Ethernet devices. Currently, the FC devices are configured regardless of the
VC configuration.
1 10GigEthr-03 overview
3

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