Another common useful pattern is to enable a virtual machine to accept input from itself by enabling loop-back support.
另一个通用的模式是，通过启用loop - back支持，允许虚拟机接受来自其自身的输入。
2
The SerDes block also supports loop-back modes and advanced reporting of error conditions, which enables efficient debug and management of the entire system.
块的串器还支持环回模式和先进的错误报告条件下，实现高效率的调试和管理整个系统。
3
Moreover, existing testing methods such as Loop-back test method (LTM) and Transverse test method (TTM) are not catered for testing modern routers with multi-ports.