[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
, g6 b7 J0 I, H0 D# TWindows 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
會更好，網路連接速度更快。
8 Y4 Q' o8 U6 S9 {0 n( l  d( o

3 ], J. T- T" `操作步驟：
* a  u: w( z% j: F

Step1、找到「Command Prompt (Run as Administrator)」，在「Command Prompt」輸入
& F5 L8 F( t" rnetsh 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.
C:\WINDOWS\system32>netsh interface tcp show global
' o: W* t/ u& vQuerying active state...
TCP Global Parameters
----------------------------------------------
Receive-Side Scaling State : enabled
8 _" ?# j. x& U0 z) |" VReceive Window Auto-Tuning Level : normal
1 q. l# x. j% N/ n2 g2 ]% gadd-On Congestion Control Provider : default
5 F, N; o. P2 oECN Capability : disabled
* F9 X( t0 a1 B6 x  N5 P! mRFC 1323 Timestamps : disabled
Initial RTO : 3000
! i" w+ [( {, m5 J" h0 zReceive Segment Coalescing State : enabled
Non Sack Rtt Resiliency : disabled
# u9 Z& f% d6 G" TMax SYN Retransmissions : 2
0 A; c5 F3 F. @4 c% RFast Open : enabled
Fast Open Fallback : enabled
Pacing Profile : off
2 x1 ^" f& R/ U* h% o- JC:\WINDOWS\system32>
5 k0 @# S- [. M' x7 [
6 _3 m& ^1 {! r* \2 a
Step2、接著輸入 netsh int tcp set global autotuninglevel=disabled。
) f0 z( ?2 D# v: R7 X7 V
" O6 W/ j/ X5 x9 G* y8 ^7 |
C:\WINDOWS\system32>netsh int tcp set global autotuninglevel=disabled
Ok.
3 H- p- X6 G7 W  e

3 b% i& k& N9 J- n" L' QStep3、再次輸入 netsh interface tcp show global 來查看「Receive Window Auto-Tuning Level」狀態。
: P2 X% k7 t: o" m. U6 l
/ i2 c1 L' |% f& q; U5 J
" f9 t4 Q1 {/ _! j/ J6 K- `! @$ ~Microsoft Windows [Version 10.0.17134.165]
5 t' m1 U1 P, k- X9 Q4 b3 @% y(c) 2018 Microsoft Corporation. All rights reserved.
5 o! }/ [$ n) QC:\WINDOWS\system32>netsh interface tcp show global
- t7 j% ^) J/ f0 w1 D7 GQuerying active state...
2 f- _/ v3 B! a& U; ZTCP Global Parameters
----------------------------------------------
Receive-Side Scaling State : enabled
0 K+ w" J' Z$ ~/ r/ zReceive Window Auto-Tuning Level : disabled
Add-On Congestion Control Provider : default
ECN Capability : disabled
RFC 1323 Timestamps : disabled
Initial RTO : 3000
Receive Segment Coalescing State : enabled
Non Sack Rtt Resiliency : disabled
Max SYN Retransmissions : 2
% j" m* U0 C+ z9 GFast Open : enabled
Fast Open Fallback : enabled
0 g( y6 w! F) y: P6 r. LPacing Profile : off
0 e  @/ s2 ]' i, I4 i; g7 qC:\WINDOWS\system32>

  p  K9 Q; Z5 }+ a* \& J6 ?