二手Cisco设备只能用品牌的光,其他品牌或杂牌的光设备是绝对不支持的。
如果你硬是插上别的光模块,二手端口信息上就会显示Unsupport或Unknown。日志显示以下情况中一种或几种:
%PM_SCP-SP-3-TRANSCEIVER_UNSUPPORTED: Unsupported transceiver in LAN port */*
%PHY-4-CHECK_SUM_FAILED: SFP EEPROM data check sum failed for SFP interface Gi1/0/25
%GBIC_SECURITY_CRYPT-4-VN_DATA_CRC_ERROR: GBIC in port Gi1/0/25 has bad crc
%PM-4-ERR_DISABLE: gbic-invalid error detected on Gi1/0/25, putting Gi1/0/25 in err-disable state
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