[Windows 8以後] Windows 8 Windows 10 系統提升網路速度、netsh interface tcp show global、nets

IT_man

在 Windows 8 Windows 10 微軟通過網絡發送 TCP 資料來提高系統的性能，包括提高了 Win10 系統的網速，該功能最初在
Windows Vista 出現，一直到現在，但是這並不是完全有用的，該功能雖然可以優化網絡，但並非完全有益，關閉後可能
- v- m( G8 ~, [; ]9 b& V( z會更好，網路連接速度更快。

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操作步驟：
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Step1、找到「Command Prompt (Run as Administrator)」，在「Command Prompt」輸入
netsh interface tcp show global 來查看「Receive Window Auto-Tuning Level」狀態。
Microsoft Windows [Version 10.0.17134.165]
(c) 2018 Microsoft Corporation. All rights reserved.
1 O# ^8 P4 m+ v6 ]7 QC:\WINDOWS\system32>netsh interface tcp show global
Querying active state...
, f  d/ w' Y! t5 Z' r$ z+ XTCP Global Parameters
----------------------------------------------
! i/ s; L3 m$ IReceive-Side Scaling State : enabled
  W+ O! u8 ]4 j+ MReceive Window Auto-Tuning Level : normal
add-On Congestion Control Provider : default
ECN Capability : disabled
0 d: A+ w- _* }# ORFC 1323 Timestamps : disabled
Initial RTO : 3000
% O+ q9 G8 Y9 _Receive Segment Coalescing State : enabled
9 r: x+ u4 A( U! P: WNon Sack Rtt Resiliency : disabled
Max SYN Retransmissions : 2
; Y1 g( C; x4 [! O6 L5 XFast Open : enabled
$ Y1 Q5 z+ b" M+ v9 z- @6 TFast Open Fallback : enabled
8 |8 u- Q# b9 kPacing Profile : off
. B4 a3 Y5 Z; ^  S/ MC:\WINDOWS\system32>
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$ m2 v* f2 f& tStep2、接著輸入 netsh int tcp set global autotuninglevel=disabled。

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3 [. \5 A: A; @+ Y( cC:\WINDOWS\system32>netsh int tcp set global autotuninglevel=disabled
Ok.


Step3、再次輸入 netsh interface tcp show global 來查看「Receive Window Auto-Tuning Level」狀態。
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1 k1 ]8 _4 t- \+ EMicrosoft Windows [Version 10.0.17134.165]
0 F- W8 O. ^2 J/ h! }9 N: E(c) 2018 Microsoft Corporation. All rights reserved.
C:\WINDOWS\system32>netsh interface tcp show global
Querying active state...
, z3 m2 N" M: O( Y: u( F& a  dTCP Global Parameters
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( f8 J# R9 T' ZReceive-Side Scaling State : enabled
Receive Window Auto-Tuning Level : disabled
! R5 ~- i. Z  b' M! t4 ~Add-On Congestion Control Provider : default
$ y% B# |( E) a" mECN Capability : disabled
; V, z3 d# N& [- K* _) SRFC 1323 Timestamps : disabled
) C2 O1 |7 @; rInitial RTO : 3000
Receive Segment Coalescing State : enabled
Non Sack Rtt Resiliency : disabled
( H% H. t& |. a, iMax SYN Retransmissions : 2
6 F0 b: w: m: j) {6 y, oFast Open : enabled
Fast Open Fallback : enabled
$ o  N* q# r$ F' j. O; i: @Pacing Profile : off
C:\WINDOWS\system32>