네트워크
CDP-4-DUPLEX MISMATCH
hyunhwan
2012. 9. 14. 19:26
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CDP-4-DUPLEX_MISMATCH
00:13:14: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on FastEthernet0/21 (not half duplex), with RACK1506 Ethernet0/1 (half duplex).
show interface status 하면 포트별로 duplex 와 speed 의 상태가 나옵니다. 확인 후~수동으로 설정
Dulpex MisMatch 해결
R3#
*Mar 1 01:49:43.307: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on
FastEthernet0/0 (not full duplex), with SW1 FastEthernet1/9 (full duplex).
R3[Fa0/0] --------------- [Fa1/9]SW1
R3(config)# int fa0/0
R3(config-if)# speed 100
R3(config-if)# duplex full
SW1(config)# int fa1/9
SW1(config-if)# speed 100
SW1(config-if)# duplex full
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