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概述

我需要更改TCP InitialCongestionWindow的默认值 我看了这个文件: https://www.iispeed.com/blog/windows-server-2012-and-tcp-slow-start 我在我们的hyper-v托管虚拟服务器2012 R2上尝试了它. PS C:\>Set-NetTCPSetTing -SetTingName Custom -Initial
我需要更改TCP InitialCongestionWindow的认值

我看了这个文件
https://www.iispeed.com/blog/windows-server-2012-and-tcp-slow-start

我在我们的hyper-v托管虚拟服务器2012 R2上尝试了它.

PS C:\>Set-NetTCPSetTing -SetTingName Custom -InitialCongestionWindow 10 -CongestionProvider CTCP

我收到了错误

Set-NetTCPSetTing : No MSFT_NetTCPSetTing objects found with property 'SetTingName' equal to 'Custom'.  Verify the valu
e of the property and retry.
At line:1 char:1
+ Set-NetTCPSetTing -SetTingName Custom -InitialCongestionWindow 10 -CongestionPro ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : ObjectNotFound: (Custom:string) [Set-NetTCPSetTing],CimJobException
    + FullyQualifiedErrorId : CmdletizationQuery_NotFound_SetTingName,Set-NetTCPSetTing

问题是如何才能完成IISspeed文档所说的内容?如果我在Hyper-v机器上更改此功能我是否还需要在hypers-v主机上更改此功能以实际上有所不同?

我是否应该对SSL端口443进行相同的更改?

我运行了这个命令:

PS C:\Users\Administrator> Get-NetTCPSetTing


SetTingName                   : Automatic
MinRto(ms)                    :
InitialCongestionWindow(MSS)  :
CongestionProvider            :
CwndRestart                   :
DelayedAckTimeout(ms)         :
DelayedAckFrequency           :
MemoryPressureProtection      :
AutoTuningLevelLocal          :
AutoTuningLevelGroupPolicy    :
AutoTuningLevelEffective      :
EcnCapability                 :
timestamps                    :
InitialRto(ms)                :
ScalingHeuristics             :
DynamicPortRangeStartPort     :
DynamicPortRangenumberOfPorts :
AutomaticUseCustom            :
NonSackRttResiliency          :
ForceWS                       :
MaxSynRetransmissions         :

SetTingName                   : InternetCustom
MinRto(ms)                    : 300
InitialCongestionWindow(MSS)  : 4
CongestionProvider            : CTCP
CwndRestart                   : false
DelayedAckTimeout(ms)         : 50
DelayedAckFrequency           : 2
MemoryPressureProtection      : Enabled
AutoTuningLevelLocal          : Normal
AutoTuningLevelGroupPolicy    : NotConfigured
AutoTuningLevelEffective      : Local
EcnCapability                 : Enabled
timestamps                    : Disabled
InitialRto(ms)                : 3000
ScalingHeuristics             : Disabled
DynamicPortRangeStartPort     : 49152
DynamicPortRangenumberOfPorts : 16384
AutomaticUseCustom            : Disabled
NonSackRttResiliency          : Disabled
ForceWS                       : Disabled
MaxSynRetransmissions         : 2

SetTingName                   : DatacenterCustom
MinRto(ms)                    : 20
InitialCongestionWindow(MSS)  : 4
CongestionProvider            : DCTCP
CwndRestart                   : True
DelayedAckTimeout(ms)         : 10
DelayedAckFrequency           : 2
MemoryPressureProtection      : Enabled
AutoTuningLevelLocal          : Normal
AutoTuningLevelGroupPolicy    : NotConfigured
AutoTuningLevelEffective      : Local
EcnCapability                 : Enabled
timestamps                    : Disabled
InitialRto(ms)                : 3000
ScalingHeuristics             : Disabled
DynamicPortRangeStartPort     : 49152
DynamicPortRangenumberOfPorts : 16384
AutomaticUseCustom            : Disabled
NonSackRttResiliency          : Disabled
ForceWS                       : Disabled
MaxSynRetransmissions         : 2

SetTingName                   : Compat
MinRto(ms)                    : 300
InitialCongestionWindow(MSS)  : 2
CongestionProvider            : Default
CwndRestart                   : false
DelayedAckTimeout(ms)         : 200
DelayedAckFrequency           : 2
MemoryPressureProtection      : Enabled
AutoTuningLevelLocal          : Normal
AutoTuningLevelGroupPolicy    : NotConfigured
AutoTuningLevelEffective      : Local
EcnCapability                 : Enabled
timestamps                    : Disabled
InitialRto(ms)                : 3000
ScalingHeuristics             : Disabled
DynamicPortRangeStartPort     : 49152
DynamicPortRangenumberOfPorts : 16384
AutomaticUseCustom            : Disabled
NonSackRttResiliency          : Disabled
ForceWS                       : Disabled
MaxSynRetransmissions         : 2

SetTingName                   : Datacenter
MinRto(ms)                    : 20
InitialCongestionWindow(MSS)  : 4
CongestionProvider            : DCTCP
CwndRestart                   : True
DelayedAckTimeout(ms)         : 10
DelayedAckFrequency           : 2
MemoryPressureProtection      : Enabled
AutoTuningLevelLocal          : Normal
AutoTuningLevelGroupPolicy    : NotConfigured
AutoTuningLevelEffective      : Local
EcnCapability                 : Enabled
timestamps                    : Disabled
InitialRto(ms)                : 3000
ScalingHeuristics             : Disabled
DynamicPortRangeStartPort     : 49152
DynamicPortRangenumberOfPorts : 16384
AutomaticUseCustom            : Disabled
NonSackRttResiliency          : Disabled
ForceWS                       : Disabled
MaxSynRetransmissions         : 2

SetTingName                   : Internet
MinRto(ms)                    : 300
InitialCongestionWindow(MSS)  : 4
CongestionProvider            : CTCP
CwndRestart                   : false
DelayedAckTimeout(ms)         : 50
DelayedAckFrequency           : 2
MemoryPressureProtection      : Enabled
AutoTuningLevelLocal          : Normal
AutoTuningLevelGroupPolicy    : NotConfigured
AutoTuningLevelEffective      : Local
EcnCapability                 : Enabled
timestamps                    : Disabled
InitialRto(ms)                : 3000
ScalingHeuristics             : Disabled
DynamicPortRangeStartPort     : 49152
DynamicPortRangenumberOfPorts : 16384
AutomaticUseCustom            : Disabled
NonSackRttResiliency          : Disabled
ForceWS                       : Disabled
MaxSynRetransmissions         : 2
您需要首先创建传输过滤器,它将TCP设置指定为NetTcpSetTing对象,如下例所示.
New-NetTransportFilter -SetTingName Custom -LocalPortStart 80 -LocalPortEnd 80 -RemotePortStart 0 -RemotePortEnd 65535

当您要修改设置时,将使用Set-NetTCPSetTing命令行开关.因此,为什么您收到有关未找到的自定义对象的错误.创建传输过滤器后,您的原始命令可以修改设置.

Set-NetTCPSetTing -SetTingName Custom -InitialCongestionWindow 10 -CongestionProvider CTCP

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