[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。
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: h' U% ~7 I( u% q$ l, k7 k操作步驟：

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' l7 K3 Z* M+ B' z3 z" UStep1、找到「Command Prompt (Run as Administrator)」，在「Command Prompt」輸入
' K5 w& l# j, f1 u5 h+ Ynetsh 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
Querying active state...
TCP Global Parameters
----------------------------------------------
) s" t3 I3 ~7 [5 o, s) [Receive-Side Scaling State : enabled
1 e2 D' D8 C6 e5 d  B' @- n. C" a& AReceive Window Auto-Tuning Level : normal
, Y9 `% i& H% P' e# ^6 p3 ?add-On Congestion Control Provider : default
8 y$ u; A+ ^, ]' p  {' Y; [- MECN Capability : disabled
RFC 1323 Timestamps : disabled
Initial RTO : 3000
Receive Segment Coalescing State : enabled
1 M' Y) _5 O; J: @3 UNon Sack Rtt Resiliency : disabled
Max SYN Retransmissions : 2
Fast Open : enabled
' ]  ^+ ?2 ]  \2 }2 sFast Open Fallback : enabled
+ d  c( z' u+ h. kPacing Profile : off
2 `6 r( J& Y3 c" |# P- i9 rC:\WINDOWS\system32>
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8 j% o% ~: w! Z- @% [Step2、接著輸入 netsh int tcp set global autotuninglevel=disabled。


C:\WINDOWS\system32>netsh int tcp set global autotuninglevel=disabled
Ok.

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. c" X! a2 @; J2 K* D. U: hStep3、再次輸入 netsh interface tcp show global 來查看「Receive Window Auto-Tuning Level」狀態。
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Microsoft Windows [Version 10.0.17134.165]
(c) 2018 Microsoft Corporation. All rights reserved.
C:\WINDOWS\system32>netsh interface tcp show global
" ]/ h4 c" V9 `( UQuerying active state...
' b5 g9 d: R+ k+ F+ [0 u- OTCP Global Parameters
1 [3 ~" A  ]$ W; A----------------------------------------------
Receive-Side Scaling State : enabled
$ M' R' J2 F$ KReceive Window Auto-Tuning Level : disabled
Add-On Congestion Control Provider : default
3 Q. |; T8 D. K& q, X, `ECN Capability : disabled
0 _  `" A3 t3 F  M- Y0 z( V. H% QRFC 1323 Timestamps : disabled
) O* A6 N2 T: EInitial RTO : 3000
Receive Segment Coalescing State : enabled
* h  o: b4 h: s0 K- h* _$ q- QNon Sack Rtt Resiliency : disabled
2 [# l9 E: i" g1 }. D; d0 RMax SYN Retransmissions : 2
Fast Open : enabled
Fast Open Fallback : enabled
Pacing Profile : off
4 S8 f; a2 a1 ~! H; OC:\WINDOWS\system32>
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