Allow non-cisco SFP in switch
conf t
3850(config)# no errdisable detect cause gbic-invalid
3850(config)# service unsupported-transceiver
Show inserted CFP ports
sh interface transceiver
        <- OTHERS ->
        
    
    
conf t
3850(config)# no errdisable detect cause gbic-invalid
3850(config)# service unsupported-transceiver
Show inserted CFP ports
sh interface transceiver