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默认CIFS TCP窗口大小是多少?

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适用场景

  • ONTAP 9
  • Data ONTAP 7 及更早版本

问题解答

控制器上的默认CIFS TCP窗口大小为17520字节、但可以增加到8387700字节。要查看当前设置、请运行以下命令:

Filer> options cifs.tcp_window_size

有关如何强制Windows 2000/XP客户端使用较大窗口大小的详细信息、请参阅CIFS TCP窗口大小限制为64240字节

注意:cifs.tcp_window_size使此选项生效、应终止并重新启动CIFS。只有在CIFS使用网络代码注册时、才会设置TCP窗口大小。当CIFS启动或将新名称注册为NetBIOS别名时、会发生这种情况。如果不重新启动CIFS、则只有新注册的名称的窗口大小会发生更改。注册NetBIOS别名时、CIFS会查看控制器的注册表项options.cifsinternal.aliaswindowsize以获取要使用的值。每当创建NetBIOS别名时、此值都会更新、并使用的当时最新值cifs.tcp_window_size。此注册表值与的当前值分开维护cifs.tcp_window_size

对于追加信息 、请参阅相应《Data ONTAP 系统管理员指南》中的性能部分。

相关链接: 

注意:在ONTAP 9中、最大TCP窗口接收大小已预先设置为7631441字节。

 

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