3750+Mini-GBIC-Lx 光模块,连接后接口不能激活,修改接口duplex模式和speed, OperStatus 仍然为 down!
ITlogger#sh int gig 0/28
Interface : GigabitEthernetSFP 0/28
DescrIPtion :
AdminStatus : up
OperStatus : down
Medium-type : copper
Hardware : SFP
Mtu : 1500
LastChange : 0d:0h:0m:9s
AdminDuplex : Auto
OperDuplex : Full
AdminSpeed : Auto
OperSpeed : 1000
FlowControlAdminStatus : Auto
FlowControlOperStatus : Off
Priority : 0
Broadcast blocked 
ISABLE
Unknown multicast blocked ISABLE
Unknown unicast blocked ISABLE
——-
默认3750的 Medium-type : copper,修改Medium-type : fiber
ITlogger(config)#int gig 0/28
ITlogger(config-if)#medium-type fiber
up!!!
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