所使用的芯片是D2177NT，外接4个10G光口，使用光纤线两两自环连接光口，将请问有什么工具可以让光口之间对传数据。

[yang86]

测试模型如下，请问如何才能自环对传数据

[JoseH_Intel]

Hello yang86,

Thank you for joining the community

Could you please specify if this D2177NT chip you explain is a Xeon D-2177NT processor? 

We will look forward to your updates.

Regards

Jose A.

Intel Customer Support

[yang86]

是的，芯片是​ Xeon D-2177NT processor

[JoseH_Intel]

Hello yang86,

In such case let me route this thread to the embedded community.

Regards

Jose A.

Intel Customer Support

[CarlosAM_INTEL]

Hello, yang86:

Thank you for contacting Intel Embedded Community.

The support provided through this channel is only in English language.

However, we suggest verify that your implementation follow the guidelines stated in the Intel® Xeon® Processor D-2100 Product Family Platform Design Guide [PDG] document# 568130. This document can be found when you are logged into your Resource & Design Center (RDC) privileged account at the following website:

http://www.intel.com/cd/edesign/library/asmo-na/eng/568130.htm

The RDC Account Support form is the channel to process your account update request or any inconvenience related to the provided websites. It can be found at:

https://www.intel.com/content/www/us/en/forms/support/my-intel-sign-on-support.html

Best regards, 

@Mæcenas_INTEL​.