[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
2 |( L2 a' W. J) 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。

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; _3 s6 M# r4 S6 Q( |. |操作步驟：
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; \- q; F  k, H3 NStep1、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。
" U0 x9 ~% p8 y* w! B4 |: ZMicrosoft Windows [Version 10.0.17134.165]
& l+ h! l% K/ u: H* p2 D% X8 {(c) 2018 Microsoft Corporation. All rights reserved.
! Z+ L2 Y" O9 Z1 i  N. WC:\WINDOWS\system32>netsh interface tcp show global
Querying active state...
  m) V6 L& `) X. QTCP Global Parameters
----------------------------------------------
' D# x' q7 Y$ [9 J9 ?) @; e- @Receive-Side Scaling State : enabled
8 H6 W( }; T/ c- `  C: v/ M% gReceive Window Auto-Tuning Level : normal
7 U8 N" A, ?$ N% k1 r( Aadd-On Congestion Control Provider : default
  b. ~7 j7 b; uECN Capability : disabled
7 q5 y. ?8 a3 e. \( M: ZRFC 1323 Timestamps : disabled
Initial RTO : 3000
Receive Segment Coalescing State : enabled
$ l' u$ U8 G* f% P1 s, `: ?Non Sack Rtt Resiliency : disabled
Max SYN Retransmissions : 2
) P) `. K- i0 C7 {; Q( V+ t$ h3 KFast Open : enabled
. W  ~$ l+ f& _5 B+ ZFast Open Fallback : enabled
+ |- a2 L" F2 e, T! @% E, xPacing Profile : off
C:\WINDOWS\system32>
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Step2、接著輸入 netsh int tcp set global autotuninglevel=disabled。


) `' @4 [/ ~6 a" z, vC:\WINDOWS\system32>netsh int tcp set global autotuninglevel=disabled
  l, V5 W* w+ _  bOk.


) v* a6 X6 ], GStep3、再次輸入 netsh interface tcp show global 來查看「Receive Window Auto-Tuning Level」狀態。
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2 m  S2 P+ I* n) R7 ~& OMicrosoft Windows [Version 10.0.17134.165]
(c) 2018 Microsoft Corporation. All rights reserved.
C:\WINDOWS\system32>netsh interface tcp show global
5 q, @& Z8 C# B+ m5 t* N/ y" XQuerying active state...
TCP Global Parameters
% @9 ^9 X2 Y, ?! h5 R4 M6 d----------------------------------------------
Receive-Side Scaling State : enabled
) W3 X' }- z/ WReceive Window Auto-Tuning Level : disabled
' ?5 _9 l0 l" tAdd-On Congestion Control Provider : default
1 i- i, s+ i, ^1 I: w& F' SECN Capability : disabled
' ~& o7 O; H3 ~1 Z; c! A; ~RFC 1323 Timestamps : disabled
Initial RTO : 3000
Receive Segment Coalescing State : enabled
. `1 d: O- f+ Y- t, xNon Sack Rtt Resiliency : disabled
Max SYN Retransmissions : 2
1 v. `3 Q8 z8 U* g$ h0 w4 A! cFast Open : enabled
) @. d8 P! W- [Fast Open Fallback : enabled
2 R' E9 x' C& F$ v5 MPacing Profile : off
$ o( Z: s* v! P( O& n# M" q9 c  e; G  vC:\WINDOWS\system32>