Solarflare
Server
Adapter
User
Guide
Solarflare
Adapters
on
Windows
Issue
20
©
Solarflare
Communications
2017
186
IPv4
Checksum
Offload
Disabled
Rx
&
Tx
Enabled
Rx
Enabled
Tx
Enabled
IP
checksum
offload
is
a
hardware
offload
technology
for
reducing
the
load
on
a
CPU
by
processing
IP
checksums
in
the
adapter
hardware.
Offload
IP
Checksum
is
enabled
by
default
for
transmitted
and
received
data.
Default
setting:
Rx
&
Tx
Enabled.
Large
Receive
Offload
(IPv4
and
IPv6)
Enabled
Disabled
Large
Receive
Offload
(LRO)
is
an
offload
technology
for
reducing
the
load
on
a
CPU
by
processing
TCP
segmentation
for
received
packets
in
the
adapter.
This
is
available
only
on
Windows
Server
2008
R2.
Default
setting:
Disabled
Large
Send
Offload
Version
2
(IPv4
and
IPv6)
Enabled
Disabled
Large
Send
Offload
(LSO)
is
an
offload
technology
for
reducing
the
load
on
a
CPU
by
processing
TCP
segmentation
for
transmitted
packets
in
the
adapter.
Caution
:
Disabling
LSO
may
reduce
the
performance
of
the
Solarflare
adapter.
Default
setting:
Enabled
Locally
Administered
Address
Value:
(MAC
address)
Not
Present
Assigns
the
specified
MAC
address
to
the
adapter,
overriding
the
permanent
MAC
address
assigned
by
the
adapter's
manufacturer.
Addresses
are
entered
as
a
block
of
six
groups
of
two
hexadecimal
digits
separated
by
hyphens
(
‐
),
for
example:
12
‐
34
‐
56
‐
78
‐
9A
‐
BC
Note
:
To
be
a
valid
address,
the
second
most
significant
digit
must
be
a
2,
6,
A
or
E,
as
in
the
above
example.
Check
the
System
Event
Log
for
any
configuration
issues
after
setting
this
value.
Default
setting:
Not
Present
.
Table
43:
Solarflare
Network
Adapter
Properties
Property
Name
Values
Description