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networking - How do you check the current duplex value of a network card set to Auto negotiate in Windows? - Super User
Example for Configuring the Rate and Duplex Mode in Non-Auto-Negotiation Mode - S1720, S2700, S5700, and S6720 V200R012(C00 and C20) Configuration Guide - Interface Management - Huawei
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cisco - Why is the link between my switch and my router always negotiating half-duplex mode? - Server Fault
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