Microsoft Windows
[Version 6.1.7000
](C) Copyright 2009 Microsoft Corp.
C
:\Windows>netsh interface tcp set global ?
Usage
: set global
[[rss=
]disabled
|enabled
|default
]
[[chimney=
]disabled
|enabled
|default
]
[[autotuninglevel=
]
disabled
|highlyrestricted
|restricted
|normal
|experimental
]
[[congestionprovider=
]none
|ctcp
|default
]
[[netdma=
]disabled
|enabled
|default
]
[[dca=
]disabled
|enabled
|default
]
[[ecncapability=
]disabled
|enabled
|default
]
[[timestamps=
]disabled
|enabled
|default
]
Parameters
:
Tag Value
rss - One of the following values
:
disabled
: Disable receive-side scaling.
enabled
: Enable receive-side scaling.
default
: Restore receive-side scaling state to
the system default.
chimney - One of the following values
:
disabled
: Disable Chimney offload.
enabled
: Enable Chimney offload.
automatic
: Enable Chimney offload with
performance heuristics.
default
: Restore Chimney offload state to the
system default (automatic).
autotuninglevel - One of the following values
:
disabled
: Fix the receive window at its default
value.
highlyrestricted
: Allow the receive window to
grow beyond its default value, but do so
very conservatively.
restricted
: Allow the receive window to grow
beyond its default value, but limit such
growth in some scenarios.
normal
: Allow the receive window to grow to
accomodate almost all scenarios.
experimental
: Allow the receive window to grow
to accomodate extreme scenarios.
congestionprovider - One of the following values
:
none
: Use the built-in standard congestion
control algorithm.
ctcp
: Use the add-on Compound TCP congestion
control algorithm.
default
: Restore the selected provider to the
system default.
netdma - One of the following values
:
disabled
: Disable use of NetDMA by TCP/IP.
enabled
: Enable use of NetDMA by TCP/IP.
default
: Restore state to the system
default (enabled).
dca - One of the following values
:
disabled
: Disable Direct Cache Access when using
NetDMA.
enabled
: Enable Direct Cache Access when using
NetDMA.
default
: Restore state to the system
default (disabled).
ecncapability - One of the following values
:
disabled
: Disable ECN Capability.
enabled
: Enable ECN Capability.
default
: Restore state to the system default.
timestamps - One of the following values
:
disabled
: Disable RFC 1323 timestamps.
enabled
: Enable RFC 1323 timestamps.
default
: Restore state to the system default.
Remarks
: Sets TCP parameters that affect all connections.
Example
:
set global enabled enabled normal
set global rss=enabled chimney=enabled autotuninglevel=normal
