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What is the difference between port and interface ?

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Question added by Hisham Ragab , system engineer and network admin , ITK
Date Posted: 2015/06/25
Hisham Hussein
by Hisham Hussein , Security Research and Development , Ericsson AB

In fact, it is very tricky to distinguish between these two words. you may find them as logical interface and physical interface, and you may find them being used interchangeably. But, based on the language, port is a physical connection while interface can be considered as logical connections allowed on the physcial ports or the configuration or the SW that defines the logic of the port. 

Port is a physical layer in OSI model

Interface is a Datalink layer in OSI model

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