[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
: s# {0 q- v' U4 R3 KWindows 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
  P! s( M. C5 Q) U/ U/ M, `會更好，網路連接速度更快。

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: P; Q  ], c& v, e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]
1 n" N+ \& n5 @' [* _+ L(c) 2018 Microsoft Corporation. All rights reserved.
C:\WINDOWS\system32>netsh interface tcp show global
Querying active state...
- n6 u( b& {* O/ E: z2 rTCP Global Parameters
4 B8 f* w# g; C" o& X- D! {----------------------------------------------
Receive-Side Scaling State : enabled
Receive Window Auto-Tuning Level : normal
add-On Congestion Control Provider : default
ECN Capability : disabled
7 e( z+ P) J& ?RFC 1323 Timestamps : disabled
- h2 m6 x( X) w7 r% W5 g+ Y7 \Initial RTO : 3000
Receive Segment Coalescing State : enabled
& O7 h" E/ Y9 [  @Non Sack Rtt Resiliency : disabled
: ]$ T4 ?; v% g: }2 uMax SYN Retransmissions : 2
3 M& `$ c, L& s& TFast Open : enabled
+ V, n% ]3 \+ ^- W  v0 _- QFast Open Fallback : enabled
! w8 r( |/ B1 @) P! o! \6 {; F9 h1 WPacing Profile : off
6 q# x$ v. i/ m6 G6 n8 U5 \C:\WINDOWS\system32>
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6 B, U3 S5 V2 R3 u2 ?" k, e8 {Step2、接著輸入 netsh int tcp set global autotuninglevel=disabled。

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, Z% ~+ b" ^" E7 u$ j2 [C:\WINDOWS\system32>netsh int tcp set global autotuninglevel=disabled
8 y. d- O% n( p/ R2 J7 ^; X( `Ok.
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Step3、再次輸入 netsh interface tcp show global 來查看「Receive Window Auto-Tuning Level」狀態。
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9 J- P7 r$ K5 r' cMicrosoft Windows [Version 10.0.17134.165]
# ?" p0 Q2 H6 O( ^(c) 2018 Microsoft Corporation. All rights reserved.
+ m" i+ l. L( T& I7 v$ A- JC:\WINDOWS\system32>netsh interface tcp show global
Querying active state...
TCP Global Parameters
----------------------------------------------
Receive-Side Scaling State : enabled
; @# S: h( w& D  i/ M  m- @! oReceive Window Auto-Tuning Level : disabled
Add-On Congestion Control Provider : default
ECN Capability : disabled
" u+ l" o5 B3 i- k% W$ YRFC 1323 Timestamps : disabled
& }- l; }/ e3 h: f  YInitial RTO : 3000
& b+ f# l2 E+ I; hReceive Segment Coalescing State : enabled
Non Sack Rtt Resiliency : disabled
. t! E" \, y4 |& M" a+ nMax SYN Retransmissions : 2
6 g& l' `, z( y+ `+ TFast Open : enabled
Fast Open Fallback : enabled
Pacing Profile : off
1 l* X% x3 g) {$ A# \1 t, I0 E  cC:\WINDOWS\system32>

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