怎么解决CISCO模块兼容性问题

怎么解决CISCO模块兼容性问题
Cisco设备只能用Cisco品牌的光模块,其他品牌或杂牌的光模块思科设备是绝对不支持的。如果你硬是插上别的光模块,Cisco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
  Cisco SFP安全密钥机制SFP安全密钥机制通过防止非Cisco SFP的使用来保证质量和兼容性。每个SFP都使用非凡的软件密钥进行编码,交换机在运行时对密钥进行验证,若SFP不包含合法的密钥,那么相应的端口关闭,在没有插入Cisco提供的合法的SFP之前,该端口将不能发送或接收任何数据包。
  那如何解决Cisco设备光模块安全密钥机制呢?进入端口配置模式:打上已下隐藏命令(不能按《tab》键):
  service unsupported-transceiver
  no errdisable detect cause gbic-invalid
  speed nonegotiate
保存配置。然后插上光模块,完成。现在Switch就不会去检查GBIC的序号,而让使用者可以先把第三方的GBIC或SFP插在机器上,让网路先恢复运作。当然。并不鼓励这样做。如果非要如此,建议要熟记命令,否则用“?”但是无论如何也看见不到unsupported-transceiver出现在Command list里面,
Cisco公司特别说明:用(config)#service unsupported-transceiver指令之后,设备会跳出以下的警告讯息。
  Warning: When Cisco determines that a fault or defect can be traced to the use of third-party transceivers installed by a customer or reseller, then,at Ciscos discretion,Cisco may withhold support under warranty or a Cisco support program. In the course of providing support for a Cisco networking product Cisco may require that the end user install Cisco transceivers if Cisco determines that removing third-party parts will assist Cisco in diagnosing the cause of a support issue.
  简单的说,就是Cisco对于这些来路不明的GBIC不提供任何保证,网路要是不通,请用CISCO原装产品
 

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