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Training Camp • Cybersecurity Glossary
Interface Loopback is a virtual interface on a network device that allows it to send and receive data to itself for testing purposes without requiring an external connection.
Interface Loopback Definition: Interface Loopback is a virtual interface on a network device that allows it to send and receive data to itself for testing purposes without requiring an external connection.
Interface Loopback: An interface loopback is a virtual network interface on a device that sends outgoing data back to the same device, simulating a network connection without actually transmitting data over a physical network. This helps in testing the functionality of the network interface card and the routing protocols without the need for external connectivity. It is commonly used for diagnosing and troubleshooting network issues in a controlled environment.
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