[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
會更好，網路連接速度更快。


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。
, F4 f9 b5 V5 m5 ~3 H: QMicrosoft Windows [Version 10.0.17134.165]
(c) 2018 Microsoft Corporation. All rights reserved.
C:\WINDOWS\system32>netsh interface tcp show global
Querying active state...
4 k7 k$ Z; j8 ], c) ITCP Global Parameters
----------------------------------------------
  C/ x5 A7 B) _5 N+ UReceive-Side Scaling State : enabled
Receive Window Auto-Tuning Level : normal
0 q5 E, U7 }9 v4 a2 B0 s+ F0 \add-On Congestion Control Provider : default
! f0 T; I6 `" pECN Capability : disabled
RFC 1323 Timestamps : disabled
Initial RTO : 3000
Receive Segment Coalescing State : enabled
0 t# a3 n- N2 B' P: _% ?6 jNon Sack Rtt Resiliency : disabled
, X- c' A6 C7 X% D# aMax SYN Retransmissions : 2
6 D# g/ u+ n! W8 |& ~Fast Open : enabled
$ i; h6 l6 ^& W. R# U( A5 wFast Open Fallback : enabled
5 s% o  ^3 P) w" q, APacing Profile : off
2 {1 L* v9 {2 z6 S1 SC:\WINDOWS\system32>
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Step2、接著輸入 netsh int tcp set global autotuninglevel=disabled。
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4 x6 n5 J* }; P6 P: G$ i/ A$ j: b) u+ EC:\WINDOWS\system32>netsh int tcp set global autotuninglevel=disabled
Ok.
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6 \' G/ `' z: {' P# wStep3、再次輸入 netsh interface tcp show global 來查看「Receive Window Auto-Tuning Level」狀態。
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8 h* K. V3 A; l0 Z5 MMicrosoft Windows [Version 10.0.17134.165]
(c) 2018 Microsoft Corporation. All rights reserved.
C:\WINDOWS\system32>netsh interface tcp show global
9 L1 H& g5 \% J0 t5 @Querying active state...
9 N: L* R2 \. P  [% {TCP Global Parameters
- O. B& Z  O7 i- P% n7 x----------------------------------------------
/ N& t: e3 m4 Y  t0 S' |% Z. lReceive-Side Scaling State : enabled
$ Y- D: c4 V) Z; S! ~" aReceive Window Auto-Tuning Level : disabled
Add-On Congestion Control Provider : default
ECN Capability : disabled
4 n0 A2 r3 ^5 ?7 ZRFC 1323 Timestamps : disabled
$ f& d) p% @; c4 ?; g/ d9 R/ _Initial RTO : 3000
% o7 K/ o  \, g& yReceive Segment Coalescing State : enabled
Non Sack Rtt Resiliency : disabled
Max SYN Retransmissions : 2
Fast Open : enabled
Fast Open Fallback : enabled
/ ^7 M" a! d" _; V( dPacing Profile : off
. ]6 D% {9 Z8 ?! l' ^3 YC:\WINDOWS\system32>
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