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I have multiple logs of my switch duplex mismatch and discovered its connected access port with voice Vlan and phone port is connected to the PC. is there anything I can fix this issue?
05:24:37.981: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on GigabitEthernet1/0/21 (not half duplex), with T290015658D00E2 WAN PORT (half duplex).Nov 27 05:25:37.812: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on GigabitEthernet1/0/21...