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EchoLife ONT FAQ 04

This document provides principle-related and operation-related FAQs of Huawei EchoLife ONT (HG8240, HG8240w, HG8245, HG8247, HG8247H and so on).
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What is loop detection?

What is loop detection?


If a network cable is connected to two LAN ports of a optical modem, a loop occurs on the port. A port loop may cause a network storm and service faults. The ONT supports loop detection. If a loop is detected on a LAN port, the LAN port is isolated to break the loop.

Updated: 2019-05-23

Document ID: EDOC1100009117

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